Leslie Klein, DO
NPI 1215151006 · Family Medicine Physician · Montebello, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Klein, DO is a Family Medicine Physician provider in Montebello, CA (NPI 1215151006).
Provider details
- NPI number
- 1215151006
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A7293 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 662 | 250 |
| Amlodipine Besylate | 373 | 139 |
| Losartan Potassium | 365 | 140 |
| Metformin Hcl | 313 | 117 |
| Famotidine | 276 | 116 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 232 | 91 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,180 across 48 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-12
- Last updated
- 2011-02-18
Frequently asked questions
- What is Leslie Klein's NPI number?
- Leslie Klein's National Provider Identifier (NPI) is 1215151006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Klein's specialty?
- Leslie Klein is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Klein located?
- Leslie Klein's practice location on file with NPPES is 101 W Beverly Bl, Montebello, CA 90640.
- What is Leslie Klein's phone number?
- The practice phone number listed in the NPPES registry for Leslie Klein is (323) 728-1201.
- Does Leslie Klein accept Medicare?
- Leslie Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Klein's NPI active?
- Yes — Leslie Klein's NPI (1215151006) is active in the NPPES registry as of the last update on 2011-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.