THOMAS DUNZENDORFER (M.D.) – Gastroenterology Physician, NPI 1194786210
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
828 GASTROENTEROLOGY in MA
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Provider Addresses for THOMAS DUNZENDORFER (M.D.)
24, Charles Street, Pittsfield, Berkshire County, Massachusetts, 01201, United States
PITTSFIELD, MA 012013302
Phone: (413) 236-0900
Fax: (413) 236-5665
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 19 Open Payments records for all available years, with a total value of $427.
Total Amount is formed as General ($427) + Research ($0) + Ownership ($0) = $427.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Janssen Biotech, Inc. ($258).
Total Amount
$427
General + Research + Ownership
Payments
19
Total payment records
General Amount
$427
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $258 |
| AstraZeneca Pharmaceuticals LP | $63 |
| ABBVIE INC. | $45 |
| Boston Scientific Corporation | $24 |
| Accord Healthcare, Inc. | $22 |
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: 2006-08-29
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 |
|---|---|---|---|---|
| I20060829000071 | I | Gastroenterology | MA | 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 | 121 | 86 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 115 | 114 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 77 | 76 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 47 | 34 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 44 | 33 | $0 |
Insurance plans in this area (ZIP 01201)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 29 | 29 |
| GASTROENTEROLOGY | MA | 45378 | Diagnostic examination of large bowel using an endoscope | 16 | 15 |
| GASTROENTEROLOGY | MA | 82270 | Stool analysis for blood to screen for colon tumors | 22 | 22 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| Nurse Practitioner | NH | |
| Internal Medicine, Sports Medicine | MA | |
| Family Practice, Obstetrics/Gynecology | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| - | MA | |
| Nurse Practitioner | MA |
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