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SAN FRANCISCO DIGESTIVE DISEASE MEDICAL GROUP INC A PROF CORP
NPI 1417017435
Internal Medicine - Gastroenterology in San Francisco, CA

Active since December 11, 2006
1 SHRADER ST STE 500, SAN FRANCISCO, CA 94117(415) 362-3336(415) 362-7542 Get Directions Write a Review

NPPES record last updated: May 14, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 14, 2019, Apr 30, 2019 (2 updates tracked since 2019).

About San Francisco Digestive Disease Medical Group Inc A Prof Corp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAN FRANCISCO DIGESTIVE DISEASE MEDICAL GROUP INC A PROF CORP (NPI 1417017435) is a healthcare organization registered as a gastroenterology in San Francisco, California and active in the NPI registry since December 2006. The organization lists Gregory Fung, President, as its authorized official.

NPPES Registry Identity

NPI1417017435
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameSAN FRANCISCO DIGESTIVE DISEASE MEDICAL GROUP INC A PROF CORP
Location Address1 SHRADER ST STE 500San Francisco, CA 94117-1044
Mailing Address1 Shrader St Ste 500San Francisco, CA 94117-1044 · (415) 362-3336 · Fax (415) 362-7542
Phone(415) 362-3336
Fax(415) 362-7542
Organization SubpartNo
Authorized OfficialGregory FungPresident · (415) 362-3336
Enumeration DateDecember 11, 2006
Last NPPES UpdateMay 14, 20192 updates tracked since enumeration
✔ NPI 1417017435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1 SHRADER ST STE 500, San Francisco, CA 94117
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Other Identifiers 1

Other1417017435CA · Medicare Npi

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

San Francisco Digestive Disease Medical Group Inc A Prof Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to San Francisco Digestive Disease Medical Group Inc A Prof Corp, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Kevin Man, M.D.
Internal Medicine
NPI 1841350832
1 SHRADER STREET SUITE 500
San Francisco, CA 94117
(415) 362-3336
✔ PECOS✔ Accepts Medicare0.4 mi
James Reed, M.D.
Internal Medicine
NPI 1851451934
1 SHRADER STREET SUITE 500
San Francisco, CA 94117
(415) 362-3336
✔ PECOS✔ Accepts Medicare0.4 mi
Gregory Fung, MD
Internal Medicine
NPI 1700970795
789 VALLEJO STREET
San Francisco, CA 94133
(415) 982-6691
✔ PECOS✔ Accepts Medicare2.7 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is San Francisco Digestive Disease Medical Group Inc A Prof Corp's NPI number?

The NPI number for San Francisco Digestive Disease Medical Group Inc A Prof Corp is 1417017435. It was assigned to this organization in the NPPES registry on December 11, 2006.

Where is San Francisco Digestive Disease Medical Group Inc A Prof Corp located?

San Francisco Digestive Disease Medical Group Inc A Prof Corp is located at 1 Shrader St Ste 500, San Francisco, CA 94117. The listed phone number is (415) 362-3336.

What is San Francisco Digestive Disease Medical Group Inc A Prof Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is San Francisco Digestive Disease Medical Group Inc A Prof Corp enrolled in Medicare?

Yes. San Francisco Digestive Disease Medical Group Inc A Prof Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Francisco Digestive Disease Medical Group Inc A Prof Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Internal Medicine, reassign their Medicare billing to San Francisco Digestive Disease Medical Group Inc A Prof Corp. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for San Francisco Digestive Disease Medical Group Inc A Prof Corp was last updated on May 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.