NPPES file of Aug 9, 2026

Jeffrey Michael O'Connor, PA

Physician Assistant · Hartford, CT

Jeffrey Michael O'Connor, PA is a physician assistant with a practice address in Hartford, Connecticut, and NPI 1730345117, issued on Aug 5, 2008. Check the license (Connecticut 002132, 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
1730345117
Name
Jeffrey Michael O'Connor
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
002132 CT
Self-reported in NPPES; status is on the state search
Practice location
85 Seymour St, Hartford, CT 06106
Phone
(860) 522-4158
Enumerated
Aug 5, 2008
Record last updated
May 24, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
003021326 CT
Medicare enrollment
Enrolled (PECOS I20090604000052); 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 85 Seymour St

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

  1. Aderonke Adeniji, M.D.Internal Medicine Physician1649552159
  2. Philip AllmendingerVascular Surgery Physician1861492241
  3. James Alvarez, PHYSICIAN ASSISTANTPhysician Assistant1407853575
  4. Joseph Anquillare, M.D.Geriatric Medicine (Internal Medicine) Physician1316043045
  5. Samuel Anyatonwu, MDInternal Medicine Physician1023028933
  6. Alan Armstrong, P.A.Physician Assistant1790761898

Verify Jeffrey Michael O'Connor 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 002132
    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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91% fewer Medicare Part D claims than the average physician assistant in 2024

78 Medicare Part D claims for 30 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Jeffrey O'Connor78
  2. Specialty average830

Most prescribed

  1. Gabapentin20 claims
  2. Pantoprazole Sodium14 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): 97.3 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 score81.7
  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: $460.46

4 payments; by number, the most common kind was food and beverage; the largest payer was Davol Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey O'Connor$460.46
  2. Specialty average$841.65

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. Hartford Healthcare Medical Group Specialists PLLCStorrs, CT

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

Jeffrey Michael O'Connor among 2,047 physician assistant records in Connecticut

Jeffrey Michael O'Connor, PA is one of 2,047 physician assistant records with a practice address in Connecticut. 78% 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 23% of them.

  • NPI issued2008 · 23% of these records are older, 74% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2008 · median 2018 among the 1,338 with a school on file
  • Record last updated2019 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

283 physician assistant records list a practice address in Hartford

They are 283 of the 6,317 NPPES records with a practice address in Hartford, and 2,047 physician assistant records in Connecticut.

The 8 physician assistant records with the nearest ZIP codes

  1. James Alvarez, PHYSICIAN ASSISTANTHartford, CT 061061407853575
  2. Alan Armstrong, P.A.Hartford, CT 061061790761898
  3. Susan Barksdale, PHYSICAN ASSISTANTHartford, CT 061061235136300
  4. Diane Barnes, PHYSICIAN ASSISTANTHartford, CT 061061851398846
  5. Bruce Bowman, PAHartford, CT 061061952373755
  6. Michelle Brenes, PAHartford, CT 061061124090956
  7. Daniel De Jesus, PACHartford, CT 061061851373591
  8. Ann Gorjanc, PAHartford, CT 061061174596753

Common questions

What is Jeffrey Michael O'Connor, PA's NPI number?

Jeffrey Michael O'Connor, PA's National Provider Identifier (NPI) is 1730345117, issued on Aug 5, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Michael O'Connor, PA located?

The NPPES record lists a practice address at 85 Seymour St, Hartford, CT, 06106. Phone: (860) 522-4158. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Michael O'Connor, PA's license?

NPPES lists Connecticut license number 002132, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Jeffrey Michael O'Connor, PA prescribe under Medicare Part D?

In 2024, Jeffrey Michael O'Connor, PA had 78 Medicare Part D claims for 30 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Jeffrey Michael O'Connor, PA's MIPS final score?

The 2023 MIPS final score is 97.3 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.