IndividualActive
Warren Olds, MD
NPI 1326146606 · Radiation Oncology Physician · Marshfield, WI
Warren Olds, MD is a Radiation Oncology Physician provider in Marshfield, WI (NPI 1326146606).
Provider details
- NPI number
- 1326146606
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34154 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 369-6600
Street-level locationGet directions
Mailing address
1000 N Oak Ave
Marshfield, WI 54449-5777
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Warren Olds's NPI number?
- Warren Olds's National Provider Identifier (NPI) is 1326146606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Olds's specialty?
- Warren Olds is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Olds located?
- Warren Olds's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449.
- What is Warren Olds's phone number?
- The practice phone number listed in the NPPES registry for Warren Olds is (715) 369-6600.
- Is Warren Olds's NPI active?
- Yes — Warren Olds's NPI (1326146606) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.