NPPES file of Aug 9, 2026

Carolyn Elizabeth Maxwell, M.D.

Endocrinology, Diabetes & Metabolism Physician · East Setauket, NY

Carolyn Elizabeth Maxwell, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in East Setauket, New York, and NPI 1780846808, issued on Jun 30, 2008. Check the license (New York 251503, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780846808
Name
Carolyn Elizabeth Maxwell
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
251503 NY
Self-reported in NPPES; status is on the state search
Practice location
26 Research Way, East Setauket, NY 11733
Phone
(631) 444-0580
Enumerated
Jun 30, 2008
Record last updated
Aug 31, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130821000520); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 26 Research Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mersema Abate, MDNephrology Physician1497950133
  2. Sahar Ahmad, M.D.Pulmonary Disease Physician1669756193
  3. Ibrahim Almasry, MDInternal Medicine Physician1518953462
  4. Leonard Arbeit, M.D.Nephrology Physician1124052774
  5. Ayse Bag Ozbek, M.D.Student in an Organized Health Care Education/Training Program1386886042
  6. Mark Borek, M.D.Cardiovascular Disease Physician1922012707

Verify Carolyn Elizabeth Maxwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 251503
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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60% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,040 Medicare Part D claims for 219 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Carolyn Maxwell1,040
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium244 claims
  2. Synthroid76 claims
  3. Ozempic46 claims
  4. Atorvastatin Calcium45 claims
  5. Metformin Hcl Er43 claims
  6. Lantus Solostar42 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.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $324.40

5 payments; by number, the most common kind was food and beverage; the largest payer was Insulet Corporation. 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.

  1. Carolyn Maxwell$324.40
  2. Specialty average$5,742.15

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

  1. Stony Brook Internists University Faculty Practice CorporationStony Brook, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Carolyn Elizabeth Maxwell among 970 endocrinology, diabetes & metabolism physician records in New York

Carolyn Elizabeth Maxwell, 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
  • Graduated2007 · median 2004 among the 694 with a school on file
  • Record last updated2013 · 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).

11 endocrinology, diabetes & metabolism physician records list a practice address in East Setauket

They are 11 of the 972 NPPES records with a practice address in East Setauket, and 970 endocrinology, diabetes & metabolism physician records in New York.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Harold Carlson, M.D.East Setauket, NY 117331194750034
  2. Alan Chang, M.D.East Setauket, NY 117331649408675
  3. Marina Charitou, MDEast Setauket, NY 117331518053248
  4. Judith Chown, MDSetauket, NY 117331932492832
  5. Marie Gelato, M.D.East Setauket, NY 117331730114570
  6. Karyn GinsburgEast Setauket, NY 117331588853287
  7. Anoop Kapoor, M.D.East Setauket, NY 117331447285168
  8. Svetlana Katsnelson, MDEast Setauket, NY 117331972829000

Common questions

What is Carolyn Elizabeth Maxwell, M.D.'s NPI number?

Carolyn Elizabeth Maxwell, M.D.'s National Provider Identifier (NPI) is 1780846808, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn Elizabeth Maxwell, M.D. located?

The NPPES record lists a practice address at 26 Research Way, East Setauket, NY, 11733. Phone: (631) 444-0580. Providers update this record themselves, so call before visiting.

How can I verify Carolyn Elizabeth Maxwell, M.D.'s license?

NPPES lists New York license number 251503, 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 Carolyn Elizabeth Maxwell, M.D. prescribe under Medicare Part D?

In 2024, Carolyn Elizabeth Maxwell, M.D. had 1,040 Medicare Part D claims for 219 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Carolyn Elizabeth Maxwell, M.D.'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.