Clarence Ing, MD
NPI 1083793947 · Preventive Medicine/Occupational Environmental Medicine Physician · Weimar, CA
Clarence Ing, MD is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Weimar, CA (NPI 1083793947).
Provider details
- NPI number
- 1083793947
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A21157 (CA)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense A21157 (CA)
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
- 2006-11-03
- Last updated
- 2025-09-11
Frequently asked questions
- What is Clarence Ing's NPI number?
- Clarence Ing's National Provider Identifier (NPI) is 1083793947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Ing's specialty?
- Clarence Ing is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clarence Ing located?
- Clarence Ing's practice location on file with NPPES is 20601 West Paoli Lane, Weimar, CA 95736-0486.
- What is Clarence Ing's phone number?
- The practice phone number listed in the NPPES registry for Clarence Ing is (530) 637-4111.
- Is Clarence Ing's NPI active?
- Yes — Clarence Ing's NPI (1083793947) 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.