Louis Elperin, MD
NPI 1245399815 · Internal Medicine Physician · Woodland Hills, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Elperin, MD is a Internal Medicine Physician provider in Woodland Hills, CA (NPI 1245399815).
Provider details
- NPI number
- 1245399815
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G60614 (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
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 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 197 | 116 |
| Rosuvastatin Calcium | 115 | 69 |
| Amlodipine Besylate | 90 | 56 |
| Lisinopril | 88 | 49 |
| Levothyroxine Sodium | 76 | 43 |
| Metformin Hcl | 61 | 36 |
| Atenolol | 53 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-12-02
Frequently asked questions
- What is Louis Elperin's NPI number?
- Louis Elperin's National Provider Identifier (NPI) is 1245399815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Elperin's specialty?
- Louis Elperin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Elperin located?
- Louis Elperin's practice location on file with NPPES is 5601 De Soto Ave, Woodland Hills, CA 91367-6701.
- What is Louis Elperin's phone number?
- The practice phone number listed in the NPPES registry for Louis Elperin is (818) 719-2000.
- Does Louis Elperin accept Medicare?
- Louis Elperin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Elperin's NPI active?
- Yes — Louis Elperin's NPI (1245399815) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.