Janet Keller, M.D.
NPI 1174751622 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Keller, M.D. is a Internal Medicine Physician provider in Downey, CA (NPI 1174751622).
Provider details
- NPI number
- 1174751622
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A117194 (CA)
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
16 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 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 473 | 200 |
| Amlodipine Besylate | 303 | 137 |
| Rosuvastatin Calcium | 252 | 104 |
| Losartan Potassium | 219 | 97 |
| Lisinopril | 210 | 86 |
| Levothyroxine Sodium | 173 | 68 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-23
- Last updated
- 2021-10-19
- Certified
- 2021-10-19
Frequently asked questions
- What is Janet Keller's NPI number?
- Janet Keller's National Provider Identifier (NPI) is 1174751622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Keller's specialty?
- Janet Keller is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Keller located?
- Janet Keller's practice location on file with NPPES is 9449 Imperial Hwy, Downey, CA 90242-2814.
- What is Janet Keller's phone number?
- The practice phone number listed in the NPPES registry for Janet Keller is (800) 823-4040.
- Does Janet Keller accept Medicare?
- Janet Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Keller's NPI active?
- Yes — Janet Keller's NPI (1174751622) is active in the NPPES registry as of the last update on 2021-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.