What is John Fonmin's NPI number?

John Fonmin's National Provider Identifier (NPI) is 1629147319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Fonmin's specialty?

John Fonmin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is John Fonmin located?

John Fonmin's practice location on file with NPPES is 2707 S Diamond Bar Blvd, Diamond Bar, CA 91765.

What is John Fonmin's phone number?

The practice phone number listed in the NPPES registry for John Fonmin is (909) 594-8331.

Is John Fonmin's NPI active?

Yes — John Fonmin's NPI (1629147319) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Fonmin, MD

NPI 1629147319 · Family Medicine Physician · Diamond Bar, CA

John Fonmin, MD is a Family Medicine Physician provider in Diamond Bar, CA (NPI 1629147319).

Provider details

NPI number: 1629147319
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: A37367 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense A37367 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 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

2707 S Diamond Bar Blvd

#104

Diamond Bar, CA 91765

Phone: (909) 594-8331

Fax: (909) 869-6631

Street-level locationGet directions

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Mailing address