DOUGLAS MARTIN WEISSMAN (MD) – Internal Medicine Physician, NPI 1801800289
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
Provider Addresses for DOUGLAS MARTIN WEISSMAN (MD)
100 N DEAN RD
ORLANDO, FL 328253710
Phone: (407) 384-7388
Fax: (407) 384-7391
Type: Location
1701 N Senate Blvd
Indianapolis, IN 462021239
Phone: (317) 962-2000
Type: Location
11104 Parkview Circle Dr Ste 310
Fort Wayne, IN 468451733
Phone: (260) 266-5230
Fax: (260) 266-5238
Type: Location
1505 W Sherman Ave
Vineland, NJ 083607059
Phone: (856) 691-1129
Fax: (856) 691-1229
Type: Location
111 S Grant Ave
Columbus, OH 432154701
Phone: (614) 566-9550
Type: Location
1307 FEDERAL ST STE B100
PITTSBURGH, PA 152124761
Phone: (412) 359-8900
Fax: (412) 359-8977
Type: Location
2 DEEPWOOD CT
OLD WESTBURY, NY 115681006
Phone:
Type: Mailing
333, East Palmetto Park Road, Boca Raton, Palm Beach County, Florida, 33432, United States
APT 428
BOCA RATON, FL 33432
Phone: (954) 821-7978
Fax: (407) 384-7391
Type: Mailing
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: 2025-03-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 9 Medicare enrollment records; no due dates published yet.
Enrollment records
9
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 |
|---|---|---|---|---|
| I20070316000255 | I | Gastroenterology | FL | TBD |
| I20180517002388 | I | Gastroenterology | IL | TBD |
| I20180705000780 | I | Gastroenterology | IN | TBD |
| I20200327002462 | I | Gastroenterology | TN | TBD |
| I20210701001459 | I | Gastroenterology | OH | TBD |
| I20211203002103 | I | Gastroenterology | NY | TBD |
| I20221014002356 | I | Gastroenterology | PA | TBD |
| I20240318002011 | I | Gastroenterology | WI | TBD |
| I20250328001364 | I | Gastroenterology | NJ | 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 |
|---|---|---|---|---|
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 104 | 101 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 35 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 44 | 43 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 31 | 31 | $0 |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | 30 | 28 | $0 |
Insurance plans in this area (ZIP 32825)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | FL | 45378 | Diagnostic examination of large bowel using an endoscope | 13 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | KS | |
| Gastroenterology, Internal Medicine | MO | |
| Nurse Practitioner | MO | |
| Gastroenterology, Internal Medicine | MI | |
| Internal Medicine, Gastroenterology | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Gastroenterology, Internal Medicine | MO | |
| Nurse Practitioner | MO |
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