DR. JOHN BIRK (M.D.) – Gastroenterology Physician, NPI 1609801547
Gastroenterology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in CT
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Provider Addresses for DR. JOHN BIRK (M.D.)
University of Connecticut Health Center, 263, Farmington Avenue, Farmington, Hartford County, Connecticut, 06030, United States
PROVIDER ENROLLMENT
FARMINGTON, CT 060302212
Phone: (860) 679-7503
Fax: (860) 679-1610
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 8 Open Payments records for all available years, with a total value of $4,098.
Total Amount is formed as General ($4,098) + Research ($0) + Ownership ($0) = $4,098.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: PFIZER INC. ($3,900).
Total Amount
$4,098
General + Research + Ownership
Payments
8
Total payment records
General Amount
$4,098
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $3,900 |
| Boston Scientific Corporation | $87 |
| Gilead Sciences, Inc. | $48 |
| Vibrant Gastro, Inc. | $43 |
| ERBE USA Inc | $21 |
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: 2008-05-16
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 |
|---|---|---|---|---|
| I20080516000022 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 32 | 27 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 21 | 21 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 18 | 18 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 06030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | NY | |
| E N D O C R I N O L O G Y | VA | |
| Orthopedic Surgery | CT | |
| Orthopedic Surgery | CT | |
| Endocrinology, Internal Medicine | CT | |
| Critical Care (Intensivists) | CT | |
| Hospitalist, Internal Medicine | CT | |
| Gynecological Oncology | NY | |
| Physician Assistant | CT | |
| Hand Surgery, Orthopedic Surgery | CT |
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