John Pan, MD
NPI 1447419817 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Pan, MD is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Sunnyvale, CA (NPI 1447419817).
Provider details
- NPI number
- 1447419817
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A112012 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 42 | 21 |
| Prednisone | 21 | 18 |
| Baclofen | 16 | — |
| Lorazepam | 14 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 11 | — |
| Meloxicam | 11 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-02
- Last updated
- 2022-02-11
Frequently asked questions
- What is John Pan's NPI number?
- John Pan's National Provider Identifier (NPI) is 1447419817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Pan's specialty?
- John Pan is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is John Pan located?
- John Pan's practice location on file with NPPES is 1263 E Arques Ave, Sunnyvale, CA 94085-4701.
- What is John Pan's phone number?
- The practice phone number listed in the NPPES registry for John Pan is (408) 530-2900.
- Does John Pan accept Medicare?
- John Pan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Pan's NPI active?
- Yes — John Pan's NPI (1447419817) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.