NPPES file of Aug 9, 2026

Antonio Pantaleo, M.D.

Endocrinology, Diabetes & Metabolism Physician · Stamford, CT

Antonio Pantaleo, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Stamford, Connecticut, and NPI 1306916846, issued on Nov 9, 2006. Check the license (Connecticut CT42295, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1306916846
Name
Antonio Pantaleo
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
CT42295 CT
Self-reported in NPPES; status is on the state search
Practice location
945 Summer St FL 3, Stamford, CT 06905
Phone
(203) 359-2444
Enumerated
Nov 9, 2006
Record last updated
Jul 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(203) 359-3169
Medicaid ID
001422956 CT
Medicare enrollment
Enrolled (PECOS I20200507003096); 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 945 Summer St FL 3

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

  1. Christopher Palkimas, RPA-CMedical Physician Assistant1205159290
  2. Rheba Sam, DOFamily Medicine Physician1194467415

Verify Antonio Pantaleo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license CT42295
    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 Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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53% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

4,015 Medicare Part D claims for 496 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Antonio Pantaleo4,015
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium480 claims
  2. Alendronate Sodium274 claims
  3. Metformin Hcl Er256 claims
  4. Metformin Hcl252 claims
  5. Atorvastatin Calcium224 claims
  6. Jardiance210 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): 91.6 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.

  1. Qualityout of 100 · 30% of the final score90.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $201.18

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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. Antonio Pantaleo$201.18
  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. Westchester Health Medical PCKatonah, NY

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

Antonio Pantaleo among 214 endocrinology, diabetes & metabolism physician records in Connecticut

Antonio Pantaleo, M.D. is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1989 · median 2004 among the 145 with a school on file
  • Record last updated2018 · 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 Connecticut 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 Connecticut

There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.

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

  1. Vivek Alaigh, MDStamford, CT 069021740675818
  2. Maria Cecilia Asnis, M.D.Stamford, CT 069021437475688
  3. Jansi Gnanasekaran, MDStamford, CT 069021760825103
  4. Melissa Goldstein, M.D.Stamford, CT 069021689835878
  5. Rebekah Gospin, M.D.Stamford, CT 069021528367026
  6. Camila Heluey, MDStamford, CT 069021265938328
  7. Zulekha Karim, D.O.Stamford, CT 069021861812844
  8. Mustafa Khan, MDStamford, CT 069021952891509

Common questions

What is Antonio Pantaleo, M.D.'s NPI number?

Antonio Pantaleo, M.D.'s National Provider Identifier (NPI) is 1306916846, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Antonio Pantaleo, M.D. located?

The NPPES record lists a practice address at 945 Summer St FL 3, Stamford, CT, 06905. Phone: (203) 359-2444. Providers update this record themselves, so call before visiting.

How can I verify Antonio Pantaleo, M.D.'s license?

NPPES lists Connecticut license number CT42295, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Antonio Pantaleo, M.D. prescribe under Medicare Part D?

In 2024, Antonio Pantaleo, M.D. had 4,015 Medicare Part D claims for 496 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Antonio Pantaleo, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.6 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.