Jacob Valk, MD
NPI 1639666316 · Anatomic Pathology & Clinical Pathology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Valk, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Seattle, WA (NPI 1639666316).
Provider details
- NPI number
- 1639666316
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61519419 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
654 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) |
|---|---|---|
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 151 | $93 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 134 | $31 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 106 | $41 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 102 | $90 |
| Surgical Pathology, Gross and Microscopic Examinations, for Prostate Needle Biopsy, Any MethodG0416 | 72 | $130 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 69 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-18
- Last updated
- 2024-05-23
- Certified
- 2024-05-23
Frequently asked questions
- What is Jacob Valk's NPI number?
- Jacob Valk's National Provider Identifier (NPI) is 1639666316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Valk's specialty?
- Jacob Valk is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Valk located?
- Jacob Valk's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Jacob Valk's phone number?
- The practice phone number listed in the NPPES registry for Jacob Valk is (206) 520-5000.
- Does Jacob Valk accept Medicare?
- Jacob Valk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Valk's NPI active?
- Yes — Jacob Valk's NPI (1639666316) is active in the NPPES registry as of the last update on 2024-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.