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

Gregory J Wiener, MD

Individual provider Gastroenterology Physician · NPI 1811099534

Gregory J Wiener, MD is a Gastroenterology in Chula Vista, California. Qualified in 1982, 44 years ago. Practices with Gregory J Wiener M D Professional Corporation, a 4-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
44
Licensed in
CA
In the registry since
2006
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

353 Church Ave # A
Chula Vista, CA 91910-3906
Phone: (619) 585-8883
Fax: (619) 585-8892
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A41749 (CA)

Record details

NPI number1811099534
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2006
Last updated in NPPESAugust 13, 2015
Mailing address353a Church Ave, Chula Vista, CA 91910-3906

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Gregory J Wiener M D Professional Corporation — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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