Glenford Delacy Nixon, MD
Geriatric Medicine (Internal Medicine) Physician · Oyster Bay, NY
Glenford Delacy Nixon, MD is a geriatric medicine (internal medicine) physician with a practice address in Oyster Bay, New York, and NPI 1912058843, issued on Jan 16, 2007. Check the license (New York 173410, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Glenford Delacy Nixon
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 173410 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8 South RD, Oyster Bay, NY 11771
- Phone
- (516) 922-1056
- Enumerated
- Jan 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 01586341 NY
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Verify Glenford Delacy Nixon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 173410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
491 Medicare Part D claims for 30 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium55 claims
- Atorvastatin Calcium32 claims
- Escitalopram Oxalate26 claims
- Mirtazapine26 claims
- Linzess25 claims
- Namzaric22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Glenford Delacy Nixon among 508 geriatric medicine (internal medicine) physician records in New York
Glenford Delacy Nixon, MD is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 geriatric medicine (internal medicine) physician records list a practice address in Oyster Bay
They are 3 of the 204 NPPES records with a practice address in Oyster Bay, and 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in Oyster Bay → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Manpreet KaurOyster Bay, NY 117711134688088
- Ayodele Oyeyemi, MDOyster Bay, NY 117711831728971
- Adewale Plumptre, MDOakdale, NY 117691861063547
- Hillary Diamond, M.D.Northport, NY 117681902967011
- Joanne Holland, M.D.Northport, NY 117681225090582
- Linda Honkanen, MDNorthport, NY 117681538112768
- Younghee Limb, M.D.Northport, NY 117681811961766
- Edward Mack, MDNorthport, NY 117681134148836
Common questions
What is Glenford Delacy Nixon, MD's NPI number?
Glenford Delacy Nixon, MD's National Provider Identifier (NPI) is 1912058843, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Glenford Delacy Nixon, MD located?
The NPPES record lists a practice address at 8 South RD, Oyster Bay, NY, 11771. Phone: (516) 922-1056. Providers update this record themselves, so call before visiting.
How can I verify Glenford Delacy Nixon, MD's license?
NPPES lists New York license number 173410, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Glenford Delacy Nixon, MD prescribe under Medicare Part D?
In 2024, Glenford Delacy Nixon, MD had 491 Medicare Part D claims for 30 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.