Jan Leigh-Fleming
NPI 1306920459 · Internal Medicine Physician · Durham, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Leigh-Fleming is a Internal Medicine Physician provider in Durham, NC (NPI 1306920459).
Provider details
- NPI number
- 1306920459
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 95-00389 (NC)
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
19 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
5,954 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 564 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 402 | $118 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 381 | $13 |
| Hemoglobin A1c Level83036 | 377 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 370 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 301 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 686 | 200 |
| Atorvastatin Calcium | 359 | 99 |
| Losartan Potassium | 340 | 90 |
| Levothyroxine Sodium | 319 | 74 |
| Ezetimibe | 314 | 90 |
| Amlodipine Besylate | 310 | 82 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Jan Leigh-Fleming's NPI number?
- Jan Leigh-Fleming's National Provider Identifier (NPI) is 1306920459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Leigh-Fleming's specialty?
- Jan Leigh-Fleming is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Leigh-Fleming located?
- Jan Leigh-Fleming's practice location on file with NPPES is 4205 Ben Franklin Blvd, Durham, NC 27704-2143.
- What is Jan Leigh-Fleming's phone number?
- The practice phone number listed in the NPPES registry for Jan Leigh-Fleming is (919) 477-6900.
- Does Jan Leigh-Fleming accept Medicare?
- Jan Leigh-Fleming is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Leigh-Fleming's NPI active?
- Yes — Jan Leigh-Fleming's NPI (1306920459) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.