Daniel Henry Ziegler, M.D.


Board Certified Emergency Physician

California License G86543

Facsimile:   800-811-5594

E-mail:   dzmd@dzmd.com


Curriculum Vitae

Doctor of Medicine


The Ohio State University College of Medicine

Masters, Applied Human Physiology MAHP


Hahnemann University

Bachelors, Pharmacology


University of California at Santa Barbara

Board Certified Emergency Physician

1998 – 1999

Texas Tech University Emergency Medicine Residency Program

1992 – 1995

Maricopa Medical Center Emergency Medicine Residency Program

1991 – 1992

Maricopa Medical Center Transitional Internship Program

2002 – 2012, 2013 - 2023

American Board of Emergency Medicine Certification


Advanced Trauma Life Support, Instructor                                                                                                                       2008, 2000, 1999, 1992

Advanced Cardiac Life Support Instructor                                                                                                                                                         2007

Advanced Cardiac Life Support                                                                                               2020, 2015, 2013, 2009, 2004, 2001, 1998, 1991

Pediatric Life Support2020,                                                                                                              2015, 2013, 2009, 2007, 2003, 2001, 1999

ER ultrasound Certification                                                                                                                                                                                 1999

Emergency Medical Technician 1-A                                                                                                                                                        1985, 1978

Endoscopy Tech, Stanford Univ Med Center                                                                                                                                                   1984

Employment History

July 2021 to present - physician - California Medical Assistance Team (Cal-MAT) - deployed by  the California Emergency Services Agency (Cal-EMSA) , Rancho Cordova, California, as Chief Medical Officer on mobile camps set up by Cal-Fire  during the wildfire season performing direct patient care and supervising midlevels, nurses, paramedics and EMTs that made up the team.

September 2019 to present - private urgent care house-call practice

June 2018 to October 2021Medical DirectorWellPath - Medical Director for Humboldt County Correctional Facility, Humboldt County Juvenile Detention Center, and Regional Juvenile Detention Center, all in Eureka, California - performing direct patient care and supervising midlevels and nurses in clinics responsible for an average of 400 adults and 40 minors.

December 2013 to September 2019 Emergency PhysicianValley Emergency Physicians Covered shifts at Plumas District Hospital, Quincy, California, Mercy Medical Center, Mount

Shasta, California, Trinity Hospital, Weaverville, CA, and Santa Clara Valley Medical Center, Santa Clara, California

April 2019 to Present – Medical Advisory Board HealthTap.com , Mountain View, California

January 2018 to March 2018Emergency Physician - Trinity Hospital, Weaverville, California

July 2014 to PresentTelemedicine PhysicianHealthTap.com, Mountain View, California

February 2016 to May 2016 – Emergency PhysicianEmCare –assigned to Sutter Coast Hospital, Crescent City, California and Mendocino Coast Hospital, Fort Bragg, California

August 2013 to October 2013Locum Tenens PhysicianOnyx MD Staffing -assigned to Fairchild Medical Center Primary Care Clinic in Yreka, California

November 2010 to March 28, 2013: Emergency and Urgent Care Physician, California Emergency Physicians –St. Joseph Hospital in Eureka 

January 2006 to Jan 2017: Expert Witness, Healthcare Management Solutions, LLC, Fairmont, West Virginia. Contracted Expert Witness in Emergency Medicine for the Office of Medicare Hearings & Appeals. 

December 2008 to November 2010: Urgent Care Physician, North Coast Emergency

Physicians – the group staffs Emergency Departments at St. Joseph Hospital in Eureka and Redwood Memorial Hospital in Fortuna, and the Urgent Care Center at St Joseph Hospital

February 2009 to August 2009: Housecall Physician, SF Urgent Housecall Physicians, San Francisco, California. House call service provides well equipped, board-certified emergency physicians for urgent medical needs in the home – serving the greater San Francisco Bay Area.

February 2002 – December 2008: Consultant, Clinician, Private Practice, San Francisco, California. Provided comprehensive Health assessments, urgent care services, and substance use counseling and treatment for indigent patients.

June 2006 – November 2006: Occupational Medicine Physician, US HealthWorks, Alpharetta, Georgia, SF Bay Area Division. Urgent care, occupational injury management, Workman’s Comp and DOT related medical services, covering shifts at six bay area clinics for regular physicians

June 2004 to August 2005: Emergency Physician, Emergency Physicians Medical Group (EPMG) - staffed emergency departments at Chinese Hospital, San Francisco, California , Mark Twain Hospitalif, San Andreas, California , Mercy Merced Medical Center, Merced, California

September 2003 – March 2004: Emergency Physician, Healdsburg Hospital, Healdsburg, Ca.

March 2003 – May 2003: Emergency Physician, Lakeside Hospital, Lakeport, California

July 1999 – December 2001: Emergency Physician, Page Hospital, Page, Arizona

June 1998 – May 1999: Resident Physician, Texas Tech University Health Sciences Center, Department of Emergency Medicine, El Paso, Texas, rotations included poison control, radiology (at UCLA), emergency medicine, and a rotating chief residency. Functioned as senior resident and trauma captain when rotating in the Emergency Department  for a total of eight one-month rotations

1996 – 1998: Expert Witness, Michael Morrison. Served as a consultant and expert witness in pharmacology and emergency medicine, generally in cases relating to traumatic injury, substance abuse, or sexual assault.

October 28, 1996 – June 1997: Locum Tenens Physician Catalina Professional Recruiters, Phoenix, Arizona. Employed principally in Family Practice, Occupational Medicine, and Urgent Care Clinic positions.

May 31, 1996 – October 5, 1996: Staff Physician, Parker Indian Hospital, Parker, Arizona. Employed under a temporary contract as a replacement staff physician. Although mostly assigned to Emergency Department shift work, my duties included outpatient clinic shifts, inpatient care, and after-hours call.

1991 – 1995: Resident Physician, Maricopa Medical Center, Department of Emergency Medicine. Assessed and managed patients with an emphasis on the acute phase of critical care, emergency care, and trauma. Rotations included medical wards, surgical wards, neonatal intensive care unit, labor and delivery, medical intensive care unit, burn unit, surgical intensive care unit, pediatric intensive care unit, emergency medical services, coronary care unit, orthopedic surgery, general surgery, gynecology, hand surgery, toxicology, and emergency medicine. Designated Trauma Captain supervising the trauma response team for all Level one trauma cases that presented to the emergency department for six months during each of the final two years

1986-1987: Research Assistant, Hahnemann University, Department of Biometrics, Philadelphia, Pennsylvania. Created data entry programs and performed multivariate analysis for research projects conducted by various departments within the University.


1984-1985: Endoscopy Technician, Sequoia Hospital, Redwood City, California. Assisted physicians with gastroscopies, colonoscopies, and bronchoscopies and maintained the equipment

1979-1985: Emergency Department Technician, Sequoia Hospital, Redwood City, California. Assisted physicians in the Emergency Department and with outpatient surgical procedures and applied simple casts and splints, inventory control and pricing, packing and sterilizing instrument trays, and maintenance of the cast room. Required EMT certification.


1980-1985: Sound Recording Engineer, Musician, Doghouse Studio, Redwood City, California. Recorded and produced soundtracks for musical entertainment and advertising

1978-1980: Emergency Medical Technician/Driver/Attendant, Mercy Peninsula Ambulance Company, Daly City, California. Responded to medical emergencies and transfer requests in San Mateo and San Francisco Counties, providing care and treatment appropriate for an EMT.

1977-1978: Chemical Analysis Laboratory Supervisor, Pharm Chem Research Foundation, Palo Alto, California. Supervised lab of 15 employees analyzing marijuana samples for the presence of paraquat and assisted the CDC’s efforts to track domestic exposure to this herbicide.

1976-1977: Teaching and Research Assistant, University of California at Santa Barbara, Department of Ergonomics. Assisted in teaching a popular, rigorous, lower division introduction to pharmacology. Participated in neuro-pharmacology research on primates, performing stereotactic surgical implantation of multiple conductor single neuron electrodes in rats and squirrel monkeys to monitor changes associated with heroin addiction.

1975-present: Bass player, Sound Reinforcement engineer, Singer, California, Pennsylvania, Ohio, and Arizona. Extensive experience in live music production and performance.

1974-1985: Nursing Technician II, Sequoia Hospital, Redwood City, California. Assisted with general nursing duties in a 400-bed hospital. Assignments included the Emergency Department, Surgical and Medical floors, Psychiatric floor, and Alcohol Recovery unit.

Research Experience

2000 – 2002 Page Hospital CO study – This hospital serving the boating population on Lake Powell saw over ½ of the carbon monoxide poisonings in the country until the discovery of a design flaw in the exhaust systems commonly used on houseboats in 2001. 

1990 – 1992 Emergency Department Generated Admitting orders – Medical School and Residency Research Project –Surveyed Emergency Department Directors in Ohio on policies and practices of emergency physicians writing admitting orders.

1986-1987: Research Assistant, Hahnemann University, Department of Biometrics, Philadelphia, Pennsylvania. Created programs, performed biostatistical analysis for all departments, and reviewed data analysis in research papers before being submitted for publication by students and faculty.

1978-1979: Chemical Analysis Laboratory Supervisor, Pharm Chem Research Foundation, Palo Alto, California. Developed a method for extraction of paraquat (an herbicide) for analysis by plate chromatography for marijuana samples submitted by the public during this nationwide scare triggered by US-sponsored spraying of cultivation sites in Mexico

1976-1977: Research Assistant, University of California at Santa Barbara, Department of Ergonomics. Worked with a pharmacology professor conducting neuro-pharmacology research on primates, developing techniques and performing stereotactic surgical implantation of single neuron sensing electrodes in squirrel monkeys for the study of changes in single-unit neuron activity due to heroin addiction

1976-1977: Research Assistant, University of California at Santa Barbara, Department of Pharmacology. Screened substances isolated from marine life for pharmacologic activity in live cardiac and intestinal smooth muscle tissue preps. Performed over 150 small animal surgeries (thyroidectomies, stereotactic brain implants, etc.) needed for research projects in several University science departments.

Professional Associations

American Medical Association

American College of Forensic Medicine

American College of Emergency Physicians

American College of Forensic Examiners

American Board of Emergency Medicine

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California License   G86543

DEA Certification   BZ4924242, XZ4924242