Alfred Derrow, MD
NPI 1134457765 · Internal Medicine Physician · Dix Hills, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfred Derrow, MD is a Internal Medicine Physician provider in Dix Hills, NY (NPI 1134457765).
Provider details
- NPI number
- 1134457765
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 091043 (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
16 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
- 2009-11-19
- Last updated
- 2009-11-19
Frequently asked questions
- What is Alfred Derrow's NPI number?
- Alfred Derrow's National Provider Identifier (NPI) is 1134457765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Derrow's specialty?
- Alfred Derrow is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alfred Derrow located?
- Alfred Derrow's practice location on file with NPPES is 16 Crawford Dr, Dix Hills, NY 11746-7914.
- What is Alfred Derrow's phone number?
- The practice phone number listed in the NPPES registry for Alfred Derrow is (631) 499-8892.
- Does Alfred Derrow accept Medicare?
- Alfred Derrow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfred Derrow's NPI active?
- Yes — Alfred Derrow's NPI (1134457765) is active in the NPPES registry as of the last update on 2009-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.