Zachary London, MD
NPI 1275546558 · Neurology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary London, MD is a Neurology Physician provider in Ann Arbor, MI (NPI 1275546558).
Provider details
- NPI number
- 1275546558
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301078125 (MI)
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 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
339 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 | 49 | $98 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 48 | $17 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $173 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 37 | $42 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $145 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Immun Glob G(igg)/Gly/Iga Ov50brand: Gammagard Liquid | 123 | — |
| Immun Glob G(igg)/Pro/Iga 0-50brand: Privigen | 62 | — |
| Gabapentin | 59 | 18 |
| Pyridostigmine Bromide | 54 | 23 |
| Prednisone | 53 | 15 |
| Immune Globul G/Gly/Iga Avg 46brand: Gamunex-C | 44 | — |
| Eculizumabbrand: Soliris |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-15
- Last updated
- 2020-09-24
- Certified
- 2020-09-24
Frequently asked questions
- What is Zachary London's NPI number?
- Zachary London's National Provider Identifier (NPI) is 1275546558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary London's specialty?
- Zachary London is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary London located?
- Zachary London's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Zachary London's phone number?
- The practice phone number listed in the NPPES registry for Zachary London is (734) 936-4000.
- Does Zachary London accept Medicare?
- Zachary London is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary London's NPI active?
- Yes — Zachary London's NPI (1275546558) is active in the NPPES registry as of the last update on 2020-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.