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Charles Johnson, M.D.
NPI 1831138106 · Otolaryngology Physician · Stockton, CA
Charles Johnson, M.D. is a Otolaryngology Physician provider in Stockton, CA (NPI 1831138106).
Provider details
- NPI number
- 1831138106
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G566880 (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
20 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
2545 W Hammer Ln
Stockton, CA 95209-2839
Phone: (209) 957-7050
Street-level locationGet directions
Mailing address
600 Coffee Rd
Modesto, CA 95355-4201
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2013-06-17
Frequently asked questions
- What is Charles Johnson's NPI number?
- Charles Johnson's National Provider Identifier (NPI) is 1831138106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Johnson's specialty?
- Charles Johnson is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Johnson located?
- Charles Johnson's practice location on file with NPPES is 2545 W Hammer Ln, Stockton, CA 95209-2839.
- What is Charles Johnson's phone number?
- The practice phone number listed in the NPPES registry for Charles Johnson is (209) 957-7050.
- Is Charles Johnson's NPI active?
- Yes — Charles Johnson's NPI (1831138106) is active in the NPPES registry as of the last update on 2013-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.