NPPES file of Aug 9, 2026

Jay D'Orso, MD

Internal Medicine Physician · Ridgefield, CT

Jay D'Orso, MD is an internal medicine physician with a practice address in Ridgefield, Connecticut, and NPI 1578571121, issued on Aug 3, 2006. Check the license (Connecticut 037855, 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
1578571121
Name
Jay D'Orso
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
037855 CT
Self-reported in NPPES; status is on the state search
Practice location
21 South St, Ridgefield, CT 06877
Phone
(203) 438-6541
Enumerated
Aug 3, 2006
Record last updated
Sep 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081229000086); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1995
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 21 South St

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

  1. Jonathan Gordon, M.D.Internal Medicine Physician1124057005
  2. Satoko Kanahara, MDInternal Medicine Physician1427343722
  3. Weiming Li, M.D.Internal Medicine Physician1912968090
  4. Kathleen McAuliffe, FNP- BCFamily Nurse Practitioner1083443881
  5. Siobhan Meyer, APRN, FNP-BCNurse Practitioner1740532134
  6. Debra MortonClinical Social Worker1811454911

Verify Jay D'Orso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 037855
    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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18% more Medicare Part D claims than the average internal medicine physician in 2024

3,746 Medicare Part D claims for 557 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Jay D'Orso3,746
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium526 claims
  2. Amlodipine Besylate327 claims
  3. Lisinopril178 claims
  4. Levothyroxine Sodium162 claims
  5. Losartan Potassium137 claims
  6. Rosuvastatin Calcium135 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): 94.2 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 score78.3
  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).

Bills Medicare through 2 group practices

  1. Nuvance Health Medical Practice CT IncDanbury, CT
  2. Rehabilitation Associates IncFairfield, CT

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

Jay D'Orso among 2,623 internal medicine physician records in Connecticut

Jay D'Orso, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 52% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1995 · median 2004 among the 1,646 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 internal medicine physician records list a practice address in Ridgefield

They are 15 of the 473 NPPES records with a practice address in Ridgefield, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Anderson, M.D.Ridgefield, CT 068771679640866
  2. Lauren Bumby, M.D.Ridgefield, CT 068771407909302
  3. Frank Delli Carpini, M.D.Ridgefield, CT 068771316272545
  4. Serafima Glouzgal, MDRidgefield, CT 068771497785166
  5. Jonathan Gordon, M.D.Ridgefield, CT 068771124057005
  6. Saragur Jyothi, MDRidgefield, CT 068771225065691
  7. Satoko Kanahara, MDRidgefield, CT 068771427343722
  8. Weiming Li, M.D.Ridgefield, CT 068771912968090

Common questions

What is Jay D'Orso, MD's NPI number?

Jay D'Orso, MD's National Provider Identifier (NPI) is 1578571121, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jay D'Orso, MD located?

The NPPES record lists a practice address at 21 South St, Ridgefield, CT, 06877. Phone: (203) 438-6541. Providers update this record themselves, so call before visiting.

How can I verify Jay D'Orso, MD's license?

NPPES lists Connecticut license number 037855, 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 Jay D'Orso, MD prescribe under Medicare Part D?

In 2024, Jay D'Orso, MD had 3,746 Medicare Part D claims for 557 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Jay D'Orso, MD's MIPS final score?

The 2023 MIPS final score is 94.2 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.