DR. HAROLD M SCHWARTZ (MD) – Gastroenterology Physician, NPI 1760432256
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. HAROLD M SCHWARTZ (MD)
2200 WHITNEY AVE STE 360
HAMDEN, CT 065183602
Phone: (203) 281-4463
Fax: (203) 287-2930
Type: Mailing
67, Maple Avenue, Derby, New Haven County, Connecticut, 06418-1328, United States
DERBY, CT 064181328
Phone: (203) 732-1330
Fax: (203) 732-1330
Type: Mailing
Gastroenterology Specialists, 22, Westfield Avenue, Ansonia, New Haven County, Connecticut, 06401-1158, United States
ANSONIA, CT 064011158
Phone: (203) 736-9919
Fax: (203) 735-2055
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $280.
Total Amount is formed as General ($280) + Research ($0) + Ownership ($0) = $280.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($179).
Total Amount
$280
General + Research + Ownership
Payments
12
Total payment records
General Amount
$280
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2022-12-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20101112000315 | I | Gastroenterology | CT | TBD |
| I20221215000020 | I | Gastroenterology | NY | 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 |
|---|---|---|---|---|
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 25 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 22 | 22 | $0 |
| 43246 | Insertion of stomach tube using a flexible endoscope | 17 | 17 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 15 | 15 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 15 | 15 | $0 |
Insurance plans in this area (ZIP 06518)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| G A S T R O E N T E R O L O G Y | CT | |
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT |
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