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John Hersman, MD
NPI 1548282353 · Hematology & Oncology Physician · Renton, WA
John Hersman, MD is a Hematology & Oncology Physician provider in Renton, WA (NPI 1548282353).
Provider details
- NPI number
- 1548282353
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00013416 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
3915 Talbot Rd S
Suite 300
Renton, WA 98055-5738
Phone: (425) 656-5570
Fax: (425) 656-5280
Street-level locationGet directions
Mailing address
Po Box 34876
Seattle, WA 98124-1876
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2011-04-12
Frequently asked questions
- What is John Hersman's NPI number?
- John Hersman's National Provider Identifier (NPI) is 1548282353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hersman's specialty?
- John Hersman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Hersman located?
- John Hersman's practice location on file with NPPES is 3915 Talbot Rd S, Renton, WA 98055-5738.
- What is John Hersman's phone number?
- The practice phone number listed in the NPPES registry for John Hersman is (425) 656-5570.
- Is John Hersman's NPI active?
- Yes — John Hersman's NPI (1548282353) is active in the NPPES registry as of the last update on 2011-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.