Karen Le, M.D.
NPI 1427340645 · Endocrinology, Diabetes & Metabolism Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Le, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Downey, CA (NPI 1427340645).
Provider details
- NPI number
- 1427340645
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A120682 (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
15 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 343 | 117 |
| Methimazole | 114 | 47 |
| Atorvastatin Calcium | 60 | 22 |
| Alendronate Sodium | 58 | 21 |
| Losartan Potassium | 55 | 25 |
| Cinacalcet Hcl | 53 | 13 |
| Amlodipine Besylate | 47 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-05
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is Karen Le's NPI number?
- Karen Le's National Provider Identifier (NPI) is 1427340645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Le's specialty?
- Karen Le is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Le located?
- Karen Le's practice location on file with NPPES is 9449 Imperial Hwy Ste 315, Downey, CA 90242-2814.
- What is Karen Le's phone number?
- The practice phone number listed in the NPPES registry for Karen Le is (562) 657-2375.
- Does Karen Le accept Medicare?
- Karen Le is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Le's NPI active?
- Yes — Karen Le's NPI (1427340645) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.