Glenn John Macdonald, M D
Internal Medicine Physician · Oceanside, NY
Glenn John Macdonald, M D is an internal medicine physician with a practice address in Oceanside, New York, and NPI 1437252665, issued on Sep 6, 2006. Check the license (New York 158506, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Glenn John Macdonald
- Credential
- M D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 158506 NY
Self-reported in NPPES; status is on the state search - Practice location
- 26 Davison Ave, Oceanside, NY 11572
- Phone
- (516) 764-7319
- Enumerated
- Sep 6, 2006
- Record last updated
- May 23, 2022
- Fax
- (561) 764-0804
- Medicare enrollment
- Enrolled (PECOS I20110214000021); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Glenn John Macdonald 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 158506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,786 Medicare Part D claims for 200 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 74 claims were for opioids.
Most prescribed
- Amlodipine Besylate112 claims
- Atorvastatin Calcium99 claims
- Levothyroxine Sodium88 claims
- Tamsulosin Hcl84 claims
- Furosemide74 claims
- Losartan Potassium66 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.
Bills Medicare through one group practice
- Active Life Health OF Garden City Medical PLLCGarden City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glenn John Macdonald among 12,067 internal medicine physician records in New York
Glenn John Macdonald, M D is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1980 · median 2002 among the 7,221 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Oceanside
They are 22 of the 1,093 NPPES records with a practice address in Oceanside, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Oceanside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammed Ellahi, M.D.Oceanside, NY 115721750619722
- Benjamin Felder, DOOceanside, NY 115721003261041
- Larry Friedman, MDOceanside, NY 115721770566895
- Muhammad Khan, MDOceanside, NY 115721083097885
- Marian Kolarsky, MDOceanside, NY 115721790920643
- Dmitry Konsky, D.O.Oceanside, NY 115721720085061
- Hai-Wen Ma, MDOceanside, NY 115721952344038
- Timothy Mailloux, M.D.Oceanside, NY 115721215915145
Common questions
What is Glenn John Macdonald, M D's NPI number?
Glenn John Macdonald, M D's National Provider Identifier (NPI) is 1437252665, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn John Macdonald, M D located?
The NPPES record lists a practice address at 26 Davison Ave, Oceanside, NY, 11572. Phone: (516) 764-7319. Providers update this record themselves, so call before visiting.
How can I verify Glenn John Macdonald, M D's license?
NPPES lists New York license number 158506, 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 Glenn John Macdonald, M D prescribe under Medicare Part D?
In 2024, Glenn John Macdonald, M D had 2,786 Medicare Part D claims for 200 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.