Mikhail Gelfenbeyn, MD
NPI 1659481455 · Neurological Surgery Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mikhail Gelfenbeyn, MD is a Neurological Surgery Physician provider in Seattle, WA (NPI 1659481455).
Provider details
- NPI number
- 1659481455
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD60112267 (WA)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2010-04-15
Frequently asked questions
- What is Mikhail Gelfenbeyn's NPI number?
- Mikhail Gelfenbeyn's National Provider Identifier (NPI) is 1659481455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mikhail Gelfenbeyn's specialty?
- Mikhail Gelfenbeyn is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mikhail Gelfenbeyn located?
- Mikhail Gelfenbeyn's practice location on file with NPPES is 1660 S. Columbian Way, Seattle, WA 98108.
- What is Mikhail Gelfenbeyn's phone number?
- The practice phone number listed in the NPPES registry for Mikhail Gelfenbeyn is (206) 543-0065.
- Does Mikhail Gelfenbeyn accept Medicare?
- Mikhail Gelfenbeyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mikhail Gelfenbeyn's NPI active?
- Yes — Mikhail Gelfenbeyn's NPI (1659481455) is active in the NPPES registry as of the last update on 2010-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.