Gary Herfindahl, M.D.
NPI 1336164771 · Critical Care Medicine (Internal Medicine) Physician · Mount Shasta, CA
Gary Herfindahl, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Mount Shasta, CA (NPI 1336164771).
Provider details
- NPI number
- 1336164771
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G51667 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is Gary Herfindahl's NPI number?
- Gary Herfindahl's National Provider Identifier (NPI) is 1336164771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Herfindahl's specialty?
- Gary Herfindahl is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Herfindahl located?
- Gary Herfindahl's practice location on file with NPPES is 908 Pine St, Mount Shasta, CA 96067-2143.
- What is Gary Herfindahl's phone number?
- The practice phone number listed in the NPPES registry for Gary Herfindahl is (530) 926-3161.
- Is Gary Herfindahl's NPI active?
- Yes — Gary Herfindahl's NPI (1336164771) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.