Carolyn Maxwell, M.D.
NPI 1780846808 · Endocrinology, Diabetes & Metabolism Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Maxwell, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in East Setauket, NY (NPI 1780846808).
Provider details
- NPI number
- 1780846808
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
877 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 260 | $149 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 117 | $19 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 96 | $196 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 77 | $151 |
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, First Growth10005 | 62 | $158 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 244 | 75 |
| Levothyroxine Sodiumbrand: Synthroid | 76 | 27 |
| Semaglutidebrand: Ozempic | 46 | 12 |
| Atorvastatin Calcium | 45 | 16 |
| Metformin Hclbrand: Metformin Hcl Er | 43 | 17 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$324 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-30
- Last updated
- 2013-08-31
Frequently asked questions
- What is Carolyn Maxwell's NPI number?
- Carolyn Maxwell's National Provider Identifier (NPI) is 1780846808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Maxwell's specialty?
- Carolyn Maxwell is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Maxwell located?
- Carolyn Maxwell's practice location on file with NPPES is 26 Research Way, East Setauket, NY 11733-3526.
- What is Carolyn Maxwell's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Maxwell is (631) 444-0580.
- Does Carolyn Maxwell accept Medicare?
- Carolyn Maxwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Maxwell's NPI active?
- Yes — Carolyn Maxwell's NPI (1780846808) is active in the NPPES registry as of the last update on 2013-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.