Stephen Allen, M.D.
NPI 1912999160 · Medical Oncology Physician · Saint Louis, MO
Stephen Allen, M.D. is a Medical Oncology Physician provider in Saint Louis, MO (NPI 1912999160).
Provider details
- NPI number
- 1912999160
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R1C00 (MO)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 533 Couch AveG-20Saint Louis, MO 63122-5561Phone: (314) 965-6411Fax: (314) 965-1339
Registry dates
- Enumerated
- 2005-08-15
- Last updated
- 2018-03-17
Frequently asked questions
- What is Stephen Allen's NPI number?
- Stephen Allen's National Provider Identifier (NPI) is 1912999160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Allen's specialty?
- Stephen Allen is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Allen located?
- Stephen Allen's practice location on file with NPPES is 10004 Kennerly Rd, Saint Louis, MO 63128-2141.
- What is Stephen Allen's phone number?
- The practice phone number listed in the NPPES registry for Stephen Allen is (314) 842-7301.
- Is Stephen Allen's NPI active?
- Yes — Stephen Allen's NPI (1912999160) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.