Tina Constantin, M.D.
Endocrinology, Diabetes & Metabolism Physician · Great Neck, NY
Tina Constantin, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Great Neck, New York, and NPI 1083903561, issued on Apr 5, 2011. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Tina Constantin
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 75433 GA
Self-reported in NPPES; status is on the state search - Practice location
- 488 Great Neck RD FL 3, Great Neck, NY 11021
- Phone
- (516) 482-6747
- Enumerated
- Apr 5, 2011
- Record last updated
- Jul 16, 2026
- Fax
- (516) 482-4851
- Medicare enrollment
- Enrolled (PECOS I20181226002234); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Verify Tina Constantin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,961 Medicare Part D claims for 292 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Levothyroxine Sodium259 claims
- Ozempic148 claims
- Metformin Hcl Er137 claims
- Mounjaro94 claims
- Nano 2nd Gen Pen Needle94 claims
- Jardiance80 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tina Constantin among 970 endocrinology, diabetes & metabolism physician records in New York
Tina Constantin, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2004 among the 694 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Great Neck → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Yigal Aharon, MDGreat Neck, NY 110211598739393
- Ronda Bloom, MDGreat Neck, NY 110211447210703
- Ailian Chen, MDGreat Neck, NY 110211831298801
- Rachel Fetner, M.D.Great Neck, NY 110211437184850
- Seth Friedman, MDGreat Neck, NY 110211053389916
- Yael Harris, MDGreat Neck, NY 110211164663357
- Jonathan Kaplan, MDGreat Neck, NY 110211285713487
- Alan Kluger, M.D.Great Neck, NY 110211952395683
Common questions
What is Tina Constantin, M.D.'s NPI number?
Tina Constantin, M.D.'s National Provider Identifier (NPI) is 1083903561, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tina Constantin, M.D. located?
The NPPES record lists a practice address at 488 Great Neck RD FL 3, Great Neck, NY, 11021. Phone: (516) 482-6747. Providers update this record themselves, so call before visiting.
How can I verify Tina Constantin, M.D.'s license?
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 Tina Constantin, M.D. prescribe under Medicare Part D?
In 2024, Tina Constantin, M.D. had 1,961 Medicare Part D claims for 292 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Tina Constantin, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. 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.