Catherine Lewis, M.D.
NPI 1215165857 · Surgery Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Lewis, M.D. is a Surgery Physician provider in Los Angeles, CA (NPI 1215165857).
Provider details
- NPI number
- 1215165857
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A100217 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
323 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 121 | $124 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 60 | $182 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 55 | $83 |
| Critical Care, First 30-74 Minutes99291 | 49 | $219 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 38 | $52 |
Typical Medicare-allowed amounts for these services range $52–$219 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 across 1 record (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
Additional practice locations (1)
- 14445 Olive View DrSylmar, CA 91342-1437Phone: (818) 364-3194
Registry dates
- Enumerated
- 2009-06-22
- Last updated
- 2019-12-26
- Certified
- 2019-12-26
Frequently asked questions
- What is Catherine Lewis's NPI number?
- Catherine Lewis's National Provider Identifier (NPI) is 1215165857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Lewis's specialty?
- Catherine Lewis is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Lewis located?
- Catherine Lewis's practice location on file with NPPES is 10833 Le Conte Ave # 72-215, Los Angeles, CA 90095-1437.
- What is Catherine Lewis's phone number?
- The practice phone number listed in the NPPES registry for Catherine Lewis is (310) 794-1803.
- Does Catherine Lewis accept Medicare?
- Catherine Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Lewis's NPI active?
- Yes — Catherine Lewis's NPI (1215165857) is active in the NPPES registry as of the last update on 2019-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.