Matthew John Freeby, M.D.
Endocrinology, Diabetes & Metabolism Physician · New York, NY
Matthew John Freeby, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1013189646, issued on Mar 24, 2008. Check the license (New York 236454, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Matthew John Freeby
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 236454 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Saint Nicholas Ave, New York, NY 10032
- Phone
- (212) 851-5494
- Enumerated
- Mar 24, 2008
- Record last updated
- Dec 11, 2024
- Medicaid ID
- 02981533 NY
- Medicare enrollment
- Enrolled (PECOS I20140716002768); 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 →
Also registered at 1150 Saint Nicholas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Magdalena Bogun, MDEndocrinology, Diabetes & Metabolism Physician1356615520
- Mary GallagherPediatric Endocrinology Physician1194792291
- Rachelle Gandica, M.D.Pediatric Endocrinology Physician1285836379
- Patricia Garnica, NPAdult Health Nurse Practitioner1629383203
- Robin Goland, M.D.Endocrinology, Diabetes & Metabolism Physician1174549760
- Natasha Leibel, MDPediatric Endocrinology Physician1295713451
Verify Matthew John Freeby 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 236454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,924 Medicare Part D claims for 283 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Metformin Hcl Er219 claims
- Ozempic218 claims
- Metformin Hcl216 claims
- Lantus Solostar210 claims
- Jardiance197 claims
- Trulicity173 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): 86.1 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).
Industry payments in 2024: $123.62
3 payments; by number, the most common kind was food and beverage; the largest payer was Corcept Therapeutics. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaPorter Ranch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew John Freeby among 970 endocrinology, diabetes & metabolism physician records in New York
Matthew John Freeby, 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 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 43% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2002 · median 2004 among the 694 with a school on file
- Record last updated2024 · 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 New York → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Carolyn Becker, M.D.New York, NY 100321457426199
- John Bilezikian, M.D.New York, NY 100321275600975
- Gilbert Brovar, MDNew York, NY 100321952419616
- Adi Cohen, M.D.New York, NY 100321982783080
- Pamela Freda, M.D.New York, NY 100321508933151
- Henry Ginsberg, M.D.New York, NY 100321356406268
- Robin Goland, M.D.New York, NY 100321174549760
- Judy Korner, M.D.New York, NY 100321265509830
Common questions
What is Matthew John Freeby, M.D.'s NPI number?
Matthew John Freeby, M.D.'s National Provider Identifier (NPI) is 1013189646, issued on Mar 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew John Freeby, M.D. located?
The NPPES record lists a practice address at 1150 Saint Nicholas Ave, New York, NY, 10032. Phone: (212) 851-5494. Providers update this record themselves, so call before visiting.
How can I verify Matthew John Freeby, M.D.'s license?
NPPES lists New York license number 236454, 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 Matthew John Freeby, M.D. prescribe under Medicare Part D?
In 2024, Matthew John Freeby, M.D. had 2,924 Medicare Part D claims for 283 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Matthew John Freeby, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.