Leslie Stewart, MD
NPI 1538452495 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Stewart, MD is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1538452495).
Provider details
- NPI number
- 1538452495
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD451280 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
158 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 158 | $64 |
Typical Medicare-allowed amounts for these services range $64–$64 (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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 149 | 27 |
| Lisinopril | 91 | 21 |
| Levothyroxine Sodiumbrand: Synthroid | 56 | — |
| Losartan Potassium | 56 | — |
| Amlodipine Besylate | 48 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 45 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-25
- Last updated
- 2014-08-07
Frequently asked questions
- What is Leslie Stewart's NPI number?
- Leslie Stewart's National Provider Identifier (NPI) is 1538452495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Stewart's specialty?
- Leslie Stewart is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Stewart located?
- Leslie Stewart's practice location on file with NPPES is 3400 Spruce Street, Philadelphia, PA 19104.
- What is Leslie Stewart's phone number?
- The practice phone number listed in the NPPES registry for Leslie Stewart is (215) 662-2200.
- Does Leslie Stewart accept Medicare?
- Leslie Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Stewart's NPI active?
- Yes — Leslie Stewart's NPI (1538452495) is active in the NPPES registry as of the last update on 2014-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.