Michael Siegel, M.D.
NPI 1699794115 · Neurology Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Siegel, M.D. is a Neurology Physician provider in San Mateo, CA (NPI 1699794115).
Provider details
- NPI number
- 1699794115
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G54866 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 40 | 12 |
| Levetiracetam | 34 | — |
| Quetiapine Fumarate | 24 | — |
| Donepezil Hcl | 22 | — |
| Divalproex Sodium | 20 | — |
| Topiramate | 20 | — |
| Duloxetine Hcl | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Siegel's NPI number?
- Michael Siegel's National Provider Identifier (NPI) is 1699794115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Siegel's specialty?
- Michael Siegel is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Siegel located?
- Michael Siegel's practice location on file with NPPES is 101 N El Camino Real, San Mateo, CA 94401-2700.
- What is Michael Siegel's phone number?
- The practice phone number listed in the NPPES registry for Michael Siegel is (650) 342-7604.
- Does Michael Siegel accept Medicare?
- Michael Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Siegel's NPI active?
- Yes — Michael Siegel's NPI (1699794115) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.