Joseph Fields, M.D.
NPI 1336338912 · Radiation Oncology Physician · Saint Louis, MO
Joseph Fields, M.D. is a Radiation Oncology Physician provider in Saint Louis, MO (NPI 1336338912).
Provider details
- NPI number
- 1336338912
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R7D72 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Radiation Oncology Physician2085R0001X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-10-18
- Last updated
- 2007-10-18
Frequently asked questions
- What is Joseph Fields's NPI number?
- Joseph Fields's National Provider Identifier (NPI) is 1336338912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Fields's specialty?
- Joseph Fields is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Fields located?
- Joseph Fields's practice location on file with NPPES is 9 Heather Hill Ln, Saint Louis, MO 63132-4105.
- What is Joseph Fields's phone number?
- The practice phone number listed in the NPPES registry for Joseph Fields is (314) 567-9427.
- Is Joseph Fields's NPI active?
- Yes — Joseph Fields's NPI (1336338912) is active in the NPPES registry as of the last update on 2007-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.