Ellen Klapper, MD
NPI 1487650966 · Anatomic Pathology & Clinical Pathology Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Klapper, MD is a Anatomic Pathology & Clinical Pathology Physician provider in West Hollywood, CA (NPI 1487650966).
Provider details
- NPI number
- 1487650966
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G62356 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
260 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Blood Bank Physician Services for Cross Match And/Or Evaluation and Written Report86077 | 178 | $51 |
| Mechanical Separation of Plasma From Blood36514 | 62 | $97 |
| Collection of Stem Cells for Transplantation38206 | 20 | $87 |
Typical Medicare-allowed amounts for these services range $51–$97 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2020-08-06
- Certified
- 2020-08-06
Frequently asked questions
- What is Ellen Klapper's NPI number?
- Ellen Klapper's National Provider Identifier (NPI) is 1487650966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Klapper's specialty?
- Ellen Klapper is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Klapper located?
- Ellen Klapper's practice location on file with NPPES is 8700 Beverly Blvd, West Hollywood, CA 90048-1804.
- What is Ellen Klapper's phone number?
- The practice phone number listed in the NPPES registry for Ellen Klapper is (818) 338-8103.
- Does Ellen Klapper accept Medicare?
- Ellen Klapper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Klapper's NPI active?
- Yes — Ellen Klapper's NPI (1487650966) is active in the NPPES registry as of the last update on 2020-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.