James Lewis, MD
NPI 1841204872 · Gastroenterology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Lewis, MD is a Gastroenterology Physician provider in Philadelphia, PA (NPI 1841204872).
Provider details
- NPI number
- 1841204872
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD056549L (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
19 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
91 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $99 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 35 | $17 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 20 | $118 |
Typical Medicare-allowed amounts for these services range $17–$118 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 47 | 18 |
| Prednisolone Acetate | 46 | 36 |
| Ketorolac Tromethamine | 45 | 29 |
| Omeprazole | 40 | 15 |
| Mesalamine | 37 | — |
| Ustekinumabbrand: Stelara | 28 | — |
| Adalimumabbrand: Humira(cf) Pen | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28,568 across 18 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)
- 51 N 39th StPhiladelphia, PA 19104-2640Phone: (215) 662-8900
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2017-12-08
Frequently asked questions
- What is James Lewis's NPI number?
- James Lewis's National Provider Identifier (NPI) is 1841204872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lewis's specialty?
- James Lewis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Lewis located?
- James Lewis's practice location on file with NPPES is 3801 Filbert St, Philadelphia, PA 19104-2640.
- What is James Lewis's phone number?
- The practice phone number listed in the NPPES registry for James Lewis is (215) 662-8900.
- Does James Lewis accept Medicare?
- James Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Lewis's NPI active?
- Yes — James Lewis's NPI (1841204872) is active in the NPPES registry as of the last update on 2017-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.