Glenford Nixon, MD
NPI 1912058843 · Geriatric Medicine (Internal Medicine) Physician · Oyster Bay, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenford Nixon, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Oyster Bay, NY (NPI 1912058843).
Provider details
- NPI number
- 1912058843
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 173410 (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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 55 |
| Atorvastatin Calcium | 32 |
| Mirtazapine | 26 |
| Escitalopram Oxalate | 26 |
| Linaclotidebrand: Linzess | 25 |
| Memantine Hcl/Donepezil Hclbrand: Namzaric | 22 |
| Metformin Hcl | 19 |
| Metoprolol Tartrate | 19 |
| Memantine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Glenford Nixon's NPI number?
- Glenford Nixon's National Provider Identifier (NPI) is 1912058843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenford Nixon's specialty?
- Glenford Nixon is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Glenford Nixon located?
- Glenford Nixon's practice location on file with NPPES is 8 South Rd, Oyster Bay, NY 11771-1906.
- What is Glenford Nixon's phone number?
- The practice phone number listed in the NPPES registry for Glenford Nixon is (516) 922-1056.
- Does Glenford Nixon accept Medicare?
- Glenford Nixon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenford Nixon's NPI active?
- Yes — Glenford Nixon's NPI (1912058843) 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.