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John Fan, M.D.
NPI 1144226770 · Anesthesiology Physician · Baltimore, MD
John Fan, M.D. is a Anesthesiology Physician provider in Baltimore, MD (NPI 1144226770).
Provider details
- NPI number
- 1144226770
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0036501 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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.
Practice location
2401 W Belvedere Ave
Baltimore, MD 21215-5216
Phone: (410) 601-5209
Street-level locationGet directions
Mailing address
68 S Service Rd
Melville, NY 11747-2354
Registry dates
- Enumerated
- 2005-06-28
- Last updated
- 2009-11-03
Frequently asked questions
- What is John Fan's NPI number?
- John Fan's National Provider Identifier (NPI) is 1144226770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Fan's specialty?
- John Fan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Fan located?
- John Fan's practice location on file with NPPES is 2401 W Belvedere Ave, Baltimore, MD 21215-5216.
- What is John Fan's phone number?
- The practice phone number listed in the NPPES registry for John Fan is (410) 601-5209.
- Is John Fan's NPI active?
- Yes — John Fan's NPI (1144226770) is active in the NPPES registry as of the last update on 2009-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.