Olga Popel, MD
NPI 1265518054 · Rheumatology Physician · Westlake Village, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olga Popel, MD is a Rheumatology Physician provider in Westlake Village, CA (NPI 1265518054).
Provider details
- NPI number
- 1265518054
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G42577 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
2,271 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,063 | $137 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 631 | $17 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 249 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 166 | $192 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 47 | $233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 132 | 32 |
| Hydroxychloroquine Sulfate | 112 | 31 |
| Methotrexate Sodiumbrand: Methotrexate | 105 | 24 |
| Gabapentin | 84 | 26 |
| Meloxicam | 76 | 27 |
| Allopurinol | 68 | 25 |
| Celecoxib | 66 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2019-09-06
Frequently asked questions
- What is Olga Popel's NPI number?
- Olga Popel's National Provider Identifier (NPI) is 1265518054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Popel's specialty?
- Olga Popel is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Olga Popel located?
- Olga Popel's practice location on file with NPPES is 1250 La Venta Dr Ste 211, Westlake Village, CA 91361-3764.
- What is Olga Popel's phone number?
- The practice phone number listed in the NPPES registry for Olga Popel is (805) 494-6920.
- Does Olga Popel accept Medicare?
- Olga Popel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olga Popel's NPI active?
- Yes — Olga Popel's NPI (1265518054) is active in the NPPES registry as of the last update on 2019-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.