IndividualActive
William Harker, M.D.
NPI 1679522569 · Hematology & Oncology Physician · Salt Lake City, UT
Provider details
- NPI number
- 1679522569
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 171684-1205 (UT)
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
20 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
3838 S 700 E
Suite 100
Salt Lake City, UT 84106-1466
Phone: (801) 269-0231
Fax: (801) 269-0304
Street-level locationGet directions
Mailing address
1121 E 3900 S
Salt Lake City, UT 84124-1214
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2010-12-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.