Alexander Fein, MD
NPI 1225598238 · Neurology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Fein, MD is a Neurology Physician provider in Los Angeles, CA (NPI 1225598238).
Provider details
- NPI number
- 1225598238
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A193632 (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
7 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
197 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $194 |
| Exam of Visual Field With Extended Testing92083 | 40 | $71 |
| Imaging of Optic Nerve92133 | 40 | $37 |
| Exam to Measure Eye Deviation and Range of Motion92060 | 31 | $70 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 30 | $236 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-25
- Last updated
- 2024-08-01
- Certified
- 2024-08-01
Frequently asked questions
- What is Alexander Fein's NPI number?
- Alexander Fein's National Provider Identifier (NPI) is 1225598238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Fein's specialty?
- Alexander Fein is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Fein located?
- Alexander Fein's practice location on file with NPPES is 100 Stein Plz Fl 1, Los Angeles, CA 90095-1716.
- What is Alexander Fein's phone number?
- The practice phone number listed in the NPPES registry for Alexander Fein is (310) 825-3090.
- Does Alexander Fein accept Medicare?
- Alexander Fein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Fein's NPI active?
- Yes — Alexander Fein's NPI (1225598238) is active in the NPPES registry as of the last update on 2024-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.