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

Mark T. Chen, DO

Individual provider Anesthesiology Physician · NPI 1568417152

Mark T. Chen, DO is an Anesthesiology in Upland, California. Qualified in 1985, 41 years ago. Practices with Allied Anesthesia Medical Group Inc, a 184-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
41
Licensed in
CA
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

999 San Bernardino Rd
Upland, CA 91786-4920
Phone: (909) 920-4851
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 20A5641 (CA)

Record details

NPI number1568417152
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESJanuary 31, 2020
Certification dateJanuary 31, 2020
Mailing addressPo Box 1628, Orange, CA 92856-0628

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Allied Anesthesia Medical Group Inc — 184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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