Physician Profile
Jacob E. Valk, MD practices anatomic & clinical pathology in Seattle, WA. According to Medicare claims data, Jacob cared for 462 Medicare patients across 654 services. The services billed most often include surgical pathology consultation and report on referred slides prepared elsewhere, special stained specimen slides to examine tissue, each additional procedure, and pathology examination of tissue using a microscope, intermediate complexity.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
325 9TH AVE
Seattle, WA 98104
Within Anatomic & Clinical Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joint
Blood cancer
Blood chemistry
Blood Disorders
Blood disorders
Cancer & Tumors
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Biopsy & Tissue Testing
Blood chemistry
Cancer & Genetic Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
Infectious disease
Inflammation testing
Pathology Consultations
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
654 services · 462 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
151 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
134 |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
106 |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
102 |
| Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | Billing code | G0416 |
72 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
69 |
| Pathology examination of tissue using a microscope, high complexity | Lab test | 88309 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Valk is an anatomic & clinical pathology in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Valk is listed at 325 9Th Ave, Seattle, WA 98104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (206) 520-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Valk's National Provider Identifier is 1639666316. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Valk attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Valk has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Valk the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Valk. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.