William Carroll
NPI 1295154102 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Carroll is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1295154102).
Provider details
- NPI number
- 1295154102
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A155343 (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
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
6,216 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) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 5,388 | $12 |
| 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 | 220 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 215 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 202 | $100 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 58 | $53 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Warfarin Sodium | 1,042 | 315 |
| Atorvastatin Calcium | 103 | 32 |
| Pantoprazole Sodium | 101 | 36 |
| Amlodipine Besylate | 81 | 23 |
| Enoxaparin Sodium | 77 | 49 |
| Gabapentin | 65 | 16 |
| Fluticasone Propionate | 58 |
Practice location
Mailing address
Additional practice locations (1)
- 1920 Colorado AveSanta Monica, CA 90404-3414Phone: (310) 526-4812Fax: (310) 622-9598
Registry dates
- Enumerated
- 2014-04-08
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is William Carroll's NPI number?
- William Carroll's National Provider Identifier (NPI) is 1295154102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Carroll's specialty?
- William Carroll is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Carroll located?
- William Carroll's practice location on file with NPPES is 200 Ucla Medical Plz Ste 420, Los Angeles, CA 90095.
- What is William Carroll's phone number?
- The practice phone number listed in the NPPES registry for William Carroll is (310) 206-6232.
- Does William Carroll accept Medicare?
- William Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Carroll's NPI active?
- Yes — William Carroll's NPI (1295154102) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.