Louis Harrison, M.D.
NPI 1932184231 · Radiation Oncology Physician · New York, NY
Louis Harrison, M.D. is a Radiation Oncology Physician provider in New York, NY (NPI 1932184231).
Provider details
- NPI number
- 1932184231
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 165813 (NY)
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
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
- 2005-12-08
- Last updated
- 2008-05-07
Frequently asked questions
- What is Louis Harrison's NPI number?
- Louis Harrison's National Provider Identifier (NPI) is 1932184231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Harrison's specialty?
- Louis Harrison is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Harrison located?
- Louis Harrison's practice location on file with NPPES is 10 Union Sq E, New York, NY 10003-3314.
- What is Louis Harrison's phone number?
- The practice phone number listed in the NPPES registry for Louis Harrison is (212) 844-8089.
- Is Louis Harrison's NPI active?
- Yes — Louis Harrison's NPI (1932184231) is active in the NPPES registry as of the last update on 2008-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.