Christopher Keller
NPI 1275194524 · Family Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Keller is a Family Medicine Physician provider in Santa Ana, CA (NPI 1275194524).
Provider details
- NPI number
- 1275194524
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 4351045035 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 167 | 73 |
| Metformin Hcl | 90 | 35 |
| Lisinopril | 90 | 37 |
| Amlodipine Besylate | 68 | 25 |
| Losartan Potassium | 62 | 24 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 59 | 26 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-27
- Last updated
- 2023-01-13
- Certified
- 2022-06-21
Frequently asked questions
- What is Christopher Keller's NPI number?
- Christopher Keller's National Provider Identifier (NPI) is 1275194524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Keller's specialty?
- Christopher Keller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Keller located?
- Christopher Keller's practice location on file with NPPES is 1900 E 4th St, Santa Ana, CA 92705-3910.
- What is Christopher Keller's phone number?
- The practice phone number listed in the NPPES registry for Christopher Keller is (833) 574-2273.
- Does Christopher Keller accept Medicare?
- Christopher Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Keller's NPI active?
- Yes — Christopher Keller's NPI (1275194524) is active in the NPPES registry as of the last update on 2023-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.