What is Mark Yen's NPI number?

Mark Yen's National Provider Identifier (NPI) is 1275661019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Yen's specialty?

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

Where is Mark Yen located?

Mark Yen's practice location on file with NPPES is 1560 E Chevy Chase Dr, Glendale, CA 91206-4197.

What is Mark Yen's phone number?

The practice phone number listed in the NPPES registry for Mark Yen is (818) 409-8000.

Is Mark Yen's NPI active?

Yes — Mark Yen's NPI (1275661019) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Yen, M.D.

NPI 1275661019 · Family Medicine Physician · Glendale, CA

Mark Yen, M.D. is a Family Medicine Physician provider in Glendale, CA (NPI 1275661019).

Provider details

NPI number: 1275661019
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A77374 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense A77374 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 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

1560 E Chevy Chase Dr

Suite 140

Glendale, CA 91206-4197

Phone: (818) 409-8000

Street-level locationGet directions

More CA providers

Mailing address