Glennis Mercedes Alvarado
Internal Medicine Physician · East Setauket, NY
Glennis Mercedes Alvarado is an internal medicine physician with a practice address in East Setauket, New York, and NPI 1932442100, issued on Apr 5, 2013. Check the license (New York 283155, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Glennis Mercedes Alvarado
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 283155 NY
239933 NC
Self-reported in NPPES; status is on the state search - Practice location
- 205 N Belle Mead RD, East Setauket, NY 11733
- Phone
- (212) 659-8551
- Enumerated
- Apr 5, 2013
- Record last updated
- Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 205 N Belle Mead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jack Fuhrer, M.D.Infectious Disease Physician1790710929
- Irene Hwu, MDGeriatric Medicine (Internal Medicine) Physician1699936757
- Rita Kelly, NPAdult Health Nurse Practitioner1174646293
- Kimberly Kranz, M.D.Internal Medicine Physician1326244294
- Melissa Lectura, MDGeriatric Medicine (Family Medicine) Physician1043664550
Verify Glennis Mercedes Alvarado 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 283155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
217 Medicare Part D claims for 75 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium15 claims
- Gabapentin14 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.
The MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Glennis Mercedes Alvarado among 12,067 internal medicine physician records in New York
Glennis Mercedes Alvarado 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2020 · 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).
27 internal medicine physician records list a practice address in East Setauket
They are 27 of the 972 NPPES records with a practice address in East Setauket, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in East Setauket → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ibrahim Almasry, MDEast Setauket, NY 117331518953462
- David Goodrich, M.D.East Setauket, NY 117331508891235
- Donna Heinemann, M.D.East Setauket, NY 117331508891201
- Zeenat Hussain, MDEast Setauket, NY 117331548261076
- Diane Klein-Ritter, M.D.East Setauket, NY 117331053346767
- Anjani Kota, M.D.East Setauket, NY 117331720055353
- Susan LaneEast Setauket, NY 117331427083161
- Susan Lee, M.D.East Setauket, NY 117331295760874
Common questions
What is Glennis Mercedes Alvarado's NPI number?
Glennis Mercedes Alvarado's National Provider Identifier (NPI) is 1932442100, issued on Apr 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Glennis Mercedes Alvarado located?
The NPPES record lists a practice address at 205 N Belle Mead RD, East Setauket, NY, 11733. Phone: (212) 659-8551. Providers update this record themselves, so call before visiting.
How can I verify Glennis Mercedes Alvarado's license?
NPPES lists New York license number 283155, 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 Glennis Mercedes Alvarado prescribe under Medicare Part D?
In 2024, Glennis Mercedes Alvarado had 217 Medicare Part D claims for 75 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Glennis Mercedes Alvarado's MIPS final score?
The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.