Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GARY GERSHONY M.D.
NPI 1821095134
Internal Medicine - Cardiovascular Disease in San Francisco, CA

Q: What is Gary Gershony's NPI number?

The NPI number for Gary Gershony is 1821095134. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Q: What is Gary Gershony's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Gary Gershony was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.

Active since June 30, 2005PECOS Enrolled

400 PARNASSUS AVE STE 501, SAN FRANCISCO, CA 94143(415) 353-2873(415) 353-2528 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 16, 2026, Jan 19, 2020 (2 updates tracked since 2020).

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About Dr. Gary Gershony M.d. NPPES

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

DR. GARY GERSHONY M.D. (NPI 1821095134) is an individual cardiovascular disease provider in San Francisco, California, licensed in California (G47523) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Concord, and is a graduate of Other (1979).

NPPES Registry Identity

NPI1821095134

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. GARY GERSHONYCredential: M.D.

Location Address400 PARNASSUS AVE STE 501San Francisco, CA 94143-2202

Mailing Address315 Pershing DrOakland, CA 94611-3236 · (925) 408-7252 · Fax (510) 601-0433

Phone(415) 353-2873

Fax(415) 353-2528

Sole ProprietorYes

Medical School CMSOtherGraduated 1979

Enumeration DateJune 30, 2005

Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration

NPPES CertifiedJuly 16, 2026

✔ NPI 1821095134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CA · G47523

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License G47523 (CA)

400 PARNASSUS AVE STE 501, San Francisco, CA 94143

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Secondary Practice Location 1

Location 12540 East StConcord, CA 94520-1906 · Phone (925) 408-7252 · Fax (510) 601-0433

Other Identifiers 1

OtherP01474763CA · Medicare Railroad

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gary Gershony M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426123746

PECOS Enrollment IDI20080821000370

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ARICK CHARLES PARK MD

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)