Peter Boxley, MD
NPI 1972243566 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Boxley, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1972243566).
Provider details
- NPI number
- 1972243566
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036171940 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 30 | 18 |
| Gabapentin | 25 | — |
| Furosemide | 23 | — |
| Levetiracetam | 22 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 16 | — |
| Apixabanbrand: Eliquis | 13 | — |
| Metoprolol Succinate | 13 |
Practice location
Mailing address
Additional practice locations (3)
- 1740 W Taylor StChicago, IL 60612-7232Phone: (866) 600-2273
- 820 S Wood St Ste 100Chicago, IL 60612-4325Phone: (312) 996-2933
- 1000 N Westmoreland Rd # Level1Lake Forest, IL 60045-1658Phone: (847) 234-5600Fax: (847) 535-7203
Registry dates
- Enumerated
- 2022-03-31
- Last updated
- 2026-04-24
- Certified
- 2026-04-24
Frequently asked questions
- What is Peter Boxley's NPI number?
- Peter Boxley's National Provider Identifier (NPI) is 1972243566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Boxley's specialty?
- Peter Boxley is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Boxley located?
- Peter Boxley's practice location on file with NPPES is 521 Parnassus Ave, San Francisco, CA 94143-2206.
- What is Peter Boxley's phone number?
- The practice phone number listed in the NPPES registry for Peter Boxley is (415) 476-1000.
- Does Peter Boxley accept Medicare?
- Peter Boxley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Boxley's NPI active?
- Yes — Peter Boxley's NPI (1972243566) is active in the NPPES registry as of the last update on 2026-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.