Duke Johnson, M.D.
NPI 1225147127 · Family Medicine Physician · Buena Park, CA
Duke Johnson, M.D. is a Family Medicine Physician provider in Buena Park, CA (NPI 1225147127).
Provider details
- NPI number
- 1225147127
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- M-7427 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 26 | — |
| Levothyroxine Sodium | 22 | — |
| Prednisone | 19 | 17 |
| Losartan Potassium | 13 | — |
| Abataceptbrand: Orencia Clickject | 12 | — |
| Amlodipine Besylate | 12 | — |
| Meloxicam | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2025-09-11
Frequently asked questions
- What is Duke Johnson's NPI number?
- Duke Johnson's National Provider Identifier (NPI) is 1225147127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duke Johnson's specialty?
- Duke Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Duke Johnson located?
- Duke Johnson's practice location on file with NPPES is 5600 Beach Blvd, Buena Park, CA 90621-2007.
- What is Duke Johnson's phone number?
- The practice phone number listed in the NPPES registry for Duke Johnson is (208) 651-1182.
- Is Duke Johnson's NPI active?
- Yes — Duke Johnson's NPI (1225147127) 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.