Sergay Agoff, MD
NPI 1457468852 · Anatomic Pathology & Clinical Pathology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sergay Agoff, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Seattle, WA (NPI 1457468852).
Provider details
- NPI number
- 1457468852
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00037153 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,254 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 974 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 306 | $29 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 253 | $28 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 222 | $72 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 121 | $36 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 80 | $85 |
Practice location
Mailing address
Additional practice locations (2)
- 1959 Ne Pacific StSeattle, WA 98195-0001Phone: (206) 520-5000
- 1550 N 115th StSeattle, WA 98133-8401Phone: (206) 520-5000
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Sergay Agoff's NPI number?
- Sergay Agoff's National Provider Identifier (NPI) is 1457468852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergay Agoff's specialty?
- Sergay Agoff is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Sergay Agoff located?
- Sergay Agoff's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Sergay Agoff's phone number?
- The practice phone number listed in the NPPES registry for Sergay Agoff is (206) 520-5000.
- Does Sergay Agoff accept Medicare?
- Sergay Agoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sergay Agoff's NPI active?
- Yes — Sergay Agoff's NPI (1457468852) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.