William Zeiger, M.D.
NPI 1154769933 · Neurology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zeiger, M.D. is a Neurology Physician provider in Los Angeles, CA (NPI 1154769933).
Provider details
- NPI number
- 1154769933
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125063209 (IL)
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
13 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
279 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) |
|---|---|---|
| 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 | 120 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 114 | $194 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $139 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $180 |
Typical Medicare-allowed amounts for these services range $17–$194 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 76 | 16 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 53 | 18 |
| Carbidopa/Levodopabrand: Rytary | 40 | — |
| Rasagiline Mesylate | 30 | — |
| Pimavanserin Tartratebrand: Nuplazid | 28 | — |
| Donepezil Hcl | 25 | — |
| Escitalopram Oxalate | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$72 across 3 records (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)
- 601 N Caroline StSuite 5065Baltimore, MD 21287-0006Phone: (410) 502-0817Fax: (410) 614-1302
Registry dates
- Enumerated
- 2013-06-13
- Last updated
- 2020-09-08
- Certified
- 2020-09-08
Frequently asked questions
- What is William Zeiger's NPI number?
- William Zeiger's National Provider Identifier (NPI) is 1154769933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zeiger's specialty?
- William Zeiger is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is William Zeiger located?
- William Zeiger's practice location on file with NPPES is 300 Medical Plaza Suite B200, Los Angeles, CA 90095-0006.
- What is William Zeiger's phone number?
- The practice phone number listed in the NPPES registry for William Zeiger is (310) 794-1195.
- Does William Zeiger accept Medicare?
- William Zeiger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zeiger's NPI active?
- Yes — William Zeiger's NPI (1154769933) is active in the NPPES registry as of the last update on 2020-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.