Richard Johnson, M.D
NPI 1083691182 · Specialist · Glendora, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Johnson, M.D is a Specialist provider in Glendora, CA (NPI 1083691182).
Provider details
- NPI number
- 1083691182
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- G45973 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 42 | 12 |
| Azithromycin | 42 | 28 |
| Omeprazole | 33 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 23 | 14 |
| Losartan Potassium | 20 | — |
| Allopurinol | 18 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2011-03-25
Frequently asked questions
- What is Richard Johnson's NPI number?
- Richard Johnson's National Provider Identifier (NPI) is 1083691182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Johnson's specialty?
- Richard Johnson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Richard Johnson located?
- Richard Johnson's practice location on file with NPPES is 415 W Carroll Ave, Glendora, CA 91741-4208.
- What is Richard Johnson's phone number?
- The practice phone number listed in the NPPES registry for Richard Johnson is (626) 914-5219.
- Does Richard Johnson accept Medicare?
- Richard Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Johnson's NPI active?
- Yes — Richard Johnson's NPI (1083691182) is active in the NPPES registry as of the last update on 2011-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.