IndividualActive
Helen Yost, M.D.
NPI 1699023127 · General Practice Physician · Vallecito, CA
Helen Yost, M.D. is a General Practice Physician provider in Vallecito, CA (NPI 1699023127).
Provider details
- NPI number
- 1699023127
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G34591 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
4216 Parrotts Ferry Rd
Vallecito, CA 95251
Phone: (209) 736-9456
Street-level locationGet directions
Mailing address
Po Box 215
Vallecito, CA 95251-0215
Registry dates
- Enumerated
- 2012-08-15
- Last updated
- 2012-08-15
Frequently asked questions
- What is Helen Yost's NPI number?
- Helen Yost's National Provider Identifier (NPI) is 1699023127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Yost's specialty?
- Helen Yost is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Yost located?
- Helen Yost's practice location on file with NPPES is 4216 Parrotts Ferry Rd, Vallecito, CA 95251.
- What is Helen Yost's phone number?
- The practice phone number listed in the NPPES registry for Helen Yost is (209) 736-9456.
- Is Helen Yost's NPI active?
- Yes — Helen Yost's NPI (1699023127) is active in the NPPES registry as of the last update on 2012-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.