James Walter, M.D.
NPI 1083903314 · Gastroenterology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Walter, M.D. is a Gastroenterology Physician provider in Philadelphia, PA (NPI 1083903314).
Provider details
- NPI number
- 1083903314
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD463927 (PA)
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
202 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $83 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 32 | $267 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 30 | $138 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 26 | $119 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 26 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 124 | 42 |
| Mesalamine | 42 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 38 | 36 |
| Linaclotidebrand: Linzess | 30 | — |
| Ustekinumabbrand: Stelara | 26 | — |
| Dicyclomine Hcl | 21 | — |
| Pantoprazole Sodium | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,226 across 45 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
Registry dates
- Enumerated
- 2011-04-07
- Last updated
- 2018-06-07
Frequently asked questions
- What is James Walter's NPI number?
- James Walter's National Provider Identifier (NPI) is 1083903314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Walter's specialty?
- James Walter is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Walter located?
- James Walter's practice location on file with NPPES is 833 Chestnut St, Philadelphia, PA 19107.
- What is James Walter's phone number?
- The practice phone number listed in the NPPES registry for James Walter is (215) 955-6180.
- Does James Walter accept Medicare?
- James Walter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Walter's NPI active?
- Yes — James Walter's NPI (1083903314) is active in the NPPES registry as of the last update on 2018-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.