Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Phillips Siegel, DO

Individual provider Family Medicine Physician · NPI 1487690046

Mark Phillips Siegel, DO is a Family Practice in Phoenix, Arizona. Graduated from College of Osteo Med of the Pacific at Pomona in 1987, 39 years ago. Accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
39
Trained at
College of Osteo Med of the Pacific at Pomona
Licensed in
AZ
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1820 W Maryland Ave Ste 5
Phoenix, AZ 85015
Phone: (602) 242-4100
Fax: (602) 242-7965
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2479 (AZ)

Record details

NPI number1487690046
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESMarch 22, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Also practisesGENERAL PRACTICE
Medical schoolCOLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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