William Hocking, MD
NPI 1649364548 · Hematology & Oncology Physician · Marshfield, WI
William Hocking, MD is a Hematology & Oncology Physician provider in Marshfield, WI (NPI 1649364548).
Provider details
- NPI number
- 1649364548
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25146 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2009-11-23
Frequently asked questions
- What is William Hocking's NPI number?
- William Hocking's National Provider Identifier (NPI) is 1649364548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hocking's specialty?
- William Hocking is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Hocking located?
- William Hocking's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449.
- What is William Hocking's phone number?
- The practice phone number listed in the NPPES registry for William Hocking is (715) 387-5426.
- Is William Hocking's NPI active?
- Yes — William Hocking's NPI (1649364548) is active in the NPPES registry as of the last update on 2009-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.