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

Gary E Deng, MD

Individual provider Internal Medicine Physician · NPI 1780655233

Gary E Deng, MD is an Internal Medicine in Irvine, California. Qualified in 1987, 39 years ago. Practices with Uc Regents, a 306-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and New York.

Years since qualifying
39
Licensed in
CA, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

856 Health Sciences Rd Ste 2600
Irvine, CA 92617-3058
Phone: (949) 824-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1275 York Ave, New York, NY 10021-6007 — (646) 888-0841

Specialties & licences

Integrative Medicine Physician (primary) Taxonomy 202D00000X · Licence C198282 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 220549 (NY)

Record details

NPI number1780655233
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 31, 2006
Last updated in NPPESFebruary 24, 2025
Certification dateFebruary 24, 2025
Mailing address856 Health Sciences Rd Ste 2600, Irvine, CA 92617-3058

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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