NPPES file of Aug 9, 2026

John Nathan Thompson, P.A.

Medical Physician Assistant · New Haven, CT

John Nathan Thompson, P.A. is a medical physician assistant with a practice address in New Haven, Connecticut, and NPI 1942483490, issued on Dec 6, 2007. Check the license (Connecticut 002045, as entered in NPPES) with the Connecticut board that licenses this profession; 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
1942483490
Name
John Nathan Thompson
Credential
P.A.
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
002045 CT
Self-reported in NPPES; status is on the state search
Practice location
20 York St CB-2041, New Haven, CT 06510
Phone
(203) 688-4748
Enumerated
Dec 6, 2007
Record last updated
Aug 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(203) 688-4740
Medicare enrollment
Enrolled (PECOS I20110603000552); accepts Medicare assignment
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 20 York St CB-2041

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

  1. Sara Alavi, MDHospitalist Physician1871767657
  2. Carly Brown, M.D.Hospitalist Physician1386811289
  3. Bethany Dascanio, APRNNurse Practitioner1164901427
  4. Heather DobbinPhysician Assistant1194022889
  5. Ruth Ferreri, APRNAcute Care Nurse Practitioner1629268156
  6. Daniel Heacock, PA-CMedical Physician Assistant1134367725

Verify John Nathan Thompson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 002045
    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
Find 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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99% fewer Medicare Part D claims than the average medical physician assistant in 2024

16 Medicare Part D claims for 14 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. John Thompson16
  2. Specialty average1,148

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): 83.3 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 score79.5
  2. Costout of 100 · 30%64.9
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $58.48

1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Thompson$58.48
  2. Specialty average$1,055.00

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. St Lukes Clinic-Treasure Valley LLCBoise, ID

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

John Nathan Thompson among 1,138 medical physician assistant records in Connecticut

John Nathan Thompson, P.A. is one of 1,138 medical physician assistant records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 68% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2007 · median 2015 among the 732 with a school on file
  • Record last updated2010 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

248 medical physician assistant records list a practice address in New Haven

They are 248 of the 9,793 NPPES records with a practice address in New Haven, and 1,138 medical physician assistant records in Connecticut.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Daniel Cervonka, PA-C, MPAS, CASNew Haven, CT 065101932125036
  2. Ryan Donovan, PA-CNew Haven, CT 065101881650364
  3. Douglas Eldred, PA-CNew Haven, CT 065101033153093
  4. Katherine Flaherty, PA-CNew Haven, CT 065101356363899
  5. Tracy Gambardella, PA-CNew Haven, CT 065101760513014
  6. Christine Haley, PANew Haven, CT 065101902913445
  7. Tonia McGowan, PANew Haven, CT 065101447391842
  8. Shilpa Mistry, PANew Haven, CT 065101407951122

Common questions

What is John Nathan Thompson, P.A.'s NPI number?

John Nathan Thompson, P.A.'s National Provider Identifier (NPI) is 1942483490, issued on Dec 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Nathan Thompson, P.A. located?

The NPPES record lists a practice address at 20 York St CB-2041, New Haven, CT, 06510. Phone: (203) 688-4748. Providers update this record themselves, so call before visiting.

How can I verify John Nathan Thompson, P.A.'s license?

NPPES lists Connecticut license number 002045, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does John Nathan Thompson, P.A. prescribe under Medicare Part D?

In 2024, John Nathan Thompson, P.A. had 16 Medicare Part D claims for 14 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is John Nathan Thompson, P.A.'s MIPS final score?

The 2023 MIPS final score is 83.3 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.