GARY S BESSER (MD) – Obstetrics & Gynecology Physician, NPI 1992809982
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
827 OBSTETRICS/GYNECOLOGY in CT
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Provider Addresses for GARY S BESSER (MD)
190, West Broad Street, Stamford, Fairfield County, Connecticut, 06902, United States
STE G401 WHITTINGHAM PAVILION
STAMFORD, CT 069023633
Phone: (203) 325-4321
Fax: (203) 975-7515
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 101 Open Payments records for all available years, with a total value of $2,230.
Total Amount is formed as General ($2,230) + Research ($0) + Ownership ($0) = $2,230.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($670).
Total Amount
$2,230
General + Research + Ownership
Payments
101
Total payment records
General Amount
$2,230
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $670 |
| Astellas Pharma US Inc | $409 |
| ABBVIE INC. | $261 |
| Exact Sciences Corporation | $232 |
| Biogen, Inc. | $165 |
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: 2009-08-17
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 |
|---|---|---|---|---|
| I20090817000327 | I | Obstetrics/Gynecology | CT | 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 |
|---|---|---|---|---|
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 149 | 149 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 148 | 148 | $0 |
| 77063 | Screening 3d breast mammography | 103 | 103 | $0 |
| 77067 | Screening mammography | 103 | 103 | $0 |
| 82270 | Stool analysis for blood to screen for colon tumors | 55 | 55 | $0 |
Insurance plans in this area (ZIP 06902)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OBSTETRICS/GYNECOLOGY | CT | 82270 | Stool analysis for blood to screen for colon tumors | 45 | 45 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| - | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| Certified Nurse Midwife (Cnm) | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| Certified Nurse Midwife (Cnm) | MD | |
| - | CT | |
| - | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT |
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