Neil D. Kobrosky, MD
Endocrinology, Diabetes & Metabolism Physician · Gloucester, MA
Neil D. Kobrosky, MD is an endocrinology, diabetes & metabolism physician with a practice address in Gloucester, Massachusetts, and NPI 1558308205, issued on Jun 1, 2006. Check the license (Massachusetts 54501, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Neil D. Kobrosky
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 54501 MA
Self-reported in NPPES; status is on the state search - Practice location
- 298 Washington St, Gloucester, MA 01930
- Phone
- (978) 283-4000
- Enumerated
- Jun 1, 2006
- Record last updated
- Nov 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (978) 282-0663
- Medicaid ID
- 3050122 MA
- Medicare enrollment
- Enrolled (PECOS I20051029000021); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 298 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Neil D. Kobrosky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 54501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
7,633 Medicare Part D claims for 1,110 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium1,477 claims
- Glipizide Er616 claims
- Metformin Hcl Er528 claims
- Trulicity328 claims
- Ozempic308 claims
- Synthroid241 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Neil D. Kobrosky among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Neil D. Kobrosky, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1982 · median 2002 among the 378 with a school on file
- Record last updated2009 · 60% 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 Massachusetts 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 Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Gloucester → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Thelma Avanessian, MDDanvers, MA 019231922636299
- Susan Choe, D.O.Danvers, MA 019231952662710
- Michael Gordon, MDDanvers, MA 019231407811334
- Zhao Liu, MDDanvers, MA 019231508809583
- Jessica Ricciuto, M.D.Danvers, MA 019231316208622
- Arpita Pitroda, M.D.Beverly, MA 019151902814643
- Dominica Costello, D.O.Amesbury, MA 019131033144084
- Jennifer Braimon, MDMiddleton, MA 019491649373986
Common questions
What is Neil D. Kobrosky, MD's NPI number?
Neil D. Kobrosky, MD's National Provider Identifier (NPI) is 1558308205, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Neil D. Kobrosky, MD located?
The NPPES record lists a practice address at 298 Washington St, Gloucester, MA, 01930. Phone: (978) 283-4000. Providers update this record themselves, so call before visiting.
How can I verify Neil D. Kobrosky, MD's license?
NPPES lists Massachusetts license number 54501, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Neil D. Kobrosky, MD prescribe under Medicare Part D?
In 2024, Neil D. Kobrosky, MD had 7,633 Medicare Part D claims for 1,110 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Neil D. Kobrosky, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.