IndividualActive
Yon Yarn, D.O.
NPI 1023045309 · Internal Medicine Physician · Lancaster, CA
Provider details
- NPI number
- 1023045309
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A9285 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 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
2 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.
Practice location
43839 15th St W
Lancaster, CA 93534-4756
Phone: (661) 951-3009
Street-level locationGet directions
Mailing address
10311 Sirretta Peak Pl
Bakersfield, CA 93311-8923
Additional practice locations (1)
- 212 Goodman StBakersfield, CA 93305-2904Phone: (661) 633-9753Fax: (661) 633-2447
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2023-03-07
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.