Thayer Nasereddin, MD
NPI 1215391701 · Gastroenterology Physician · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thayer Nasereddin, MD is a Gastroenterology Physician provider in Fort Wayne, IN (NPI 1215391701).
Provider details
- NPI number
- 1215391701
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01087422A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
599 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 98 | $57 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $119 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 66 | $219 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 44 | $154 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 41 | $73 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 201 | 85 |
| Dicyclomine Hcl | 100 | 51 |
| Famotidine | 63 | 25 |
| Colestipol Hcl | 43 | 16 |
| Omeprazole | 38 | 16 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 20 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 16 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,455 across 62 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8051 S Emerson Ave Ste 200Indianapolis, IN 46237-8632Phone: (317) 865-2955Fax: (317) 865-2954
Registry dates
- Enumerated
- 2016-04-11
- Last updated
- 2023-05-11
- Certified
- 2023-05-11
Frequently asked questions
- What is Thayer Nasereddin's NPI number?
- Thayer Nasereddin's National Provider Identifier (NPI) is 1215391701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thayer Nasereddin's specialty?
- Thayer Nasereddin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thayer Nasereddin located?
- Thayer Nasereddin's practice location on file with NPPES is 11050 Parkview Circle Dr, Fort Wayne, IN 46845-1739.
- What is Thayer Nasereddin's phone number?
- The practice phone number listed in the NPPES registry for Thayer Nasereddin is (833) 724-8326.
- Does Thayer Nasereddin accept Medicare?
- Thayer Nasereddin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thayer Nasereddin's NPI active?
- Yes — Thayer Nasereddin's NPI (1215391701) is active in the NPPES registry as of the last update on 2023-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.