IndividualActive
David Herfindahl, M.D
NPI 1831115237 · Family Medicine Physician · Yreka, CA
David Herfindahl, M.D is a Family Medicine Physician provider in Yreka, CA (NPI 1831115237).
Provider details
- NPI number
- 1831115237
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- A25420 (CA)
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
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
700 S Main St Ste 1
Yreka, CA 96097-3354
Phone: (530) 842-0817
Fax: (530) 842-4907
Street-level locationGet directions
Mailing address
Po Box 1608
Yreka, CA 96097-1608
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2021-11-05
Frequently asked questions
- What is David Herfindahl's NPI number?
- David Herfindahl's National Provider Identifier (NPI) is 1831115237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Herfindahl's specialty?
- David Herfindahl is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Herfindahl located?
- David Herfindahl's practice location on file with NPPES is 700 S Main St Ste 1, Yreka, CA 96097-3354.
- What is David Herfindahl's phone number?
- The practice phone number listed in the NPPES registry for David Herfindahl is (530) 842-0817.
- Is David Herfindahl's NPI active?
- Yes — David Herfindahl's NPI (1831115237) is active in the NPPES registry as of the last update on 2021-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.