John Lillegraven, MD
NPI 1427634872 · Family Medicine Physician · Norfolk, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Lillegraven, MD is a Family Medicine Physician provider in Norfolk, VA (NPI 1427634872).
Provider details
- NPI number
- 1427634872
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-24592 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 83 | 28 |
| Atorvastatin Calcium | 40 | 18 |
| Chlorthalidone | 31 | 12 |
| Lisinopril | 28 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | — |
| Losartan Potassium | 22 | 11 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 240 Meeting House LnSouthampton, NY 11968-5009Phone: (631) 726-0409Fax: (631) 726-0396
Registry dates
- Enumerated
- 2021-03-23
- Last updated
- 2025-04-30
- Certified
- 2025-04-30
Frequently asked questions
- What is John Lillegraven's NPI number?
- John Lillegraven's National Provider Identifier (NPI) is 1427634872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lillegraven's specialty?
- John Lillegraven is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Lillegraven located?
- John Lillegraven's practice location on file with NPPES is 825 Fairfax Ave, Norfolk, VA 23507-1914.
- What is John Lillegraven's phone number?
- The practice phone number listed in the NPPES registry for John Lillegraven is (757) 446-5955.
- Does John Lillegraven accept Medicare?
- John Lillegraven is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Lillegraven's NPI active?
- Yes — John Lillegraven's NPI (1427634872) is active in the NPPES registry as of the last update on 2025-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.