DR. GARY GERSHONY (M.D.) – Interventional Cardiology Physician, NPI 1821095134
Interventional Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
511 INTERVENTIONAL CARDIOLOGY in CA
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Provider Addresses for DR. GARY GERSHONY (M.D.)
315, Pershing Drive, Montclair, Oakland, Alameda County, California, 94611, United States
OAKLAND, CA 946113236
Phone: (925) 408-7252
Fax: (510) 601-0433
Type: Mailing
John Muir Medical Center, Concord, 2540, East Street, Concord, Contra Costa County, California, 94520, United States
CONCORD, CA 945201906
Phone: (925) 408-7252
Fax: (510) 601-0433
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-08-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080821000370 | I | Interventional Cardiology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 183 | 152 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 29 | 20 | $0 |
Insurance plans in this area (ZIP 94611)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | CA | |
| - | CA | |
| - | CA | |
| Certified Nurse Midwife (Cnm) | TN | |
| - | CA | |
| Internal Medicine | CA | |
| - | CA | |
| Family Practice, Geriatric Medicine | CA | |
| Nurse Practitioner | MO | |
| Nephrology, Internal Medicine, Internal Medicine | CA |
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