Michael K. Sullivan, PA-C
Surgical Physician Assistant · New Haven, CT
Michael K. Sullivan, PA-C is a surgical physician assistant with a practice address in New Haven, Connecticut, and NPI 1558914960, issued on Jul 24, 2019. Check the license (Connecticut 4657, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael K. Sullivan
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 4657 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- Jul 24, 2019
- Record last updated
- May 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200722001078); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 808 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Michael K. Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 4657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $87.70
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael K. Sullivan among 808 surgical physician assistant records in Connecticut
Michael K. Sullivan, PA-C is one of 808 surgical physician assistant records with a practice address in Connecticut. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 67% of them.
- NPI issued2019 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2019 · median 2016 among the 646 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Connecticut
There are 808 surgical physician assistant records in Connecticut.
All 808 in Connecticut → Every provider in New Haven → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Matthew Band, PA-CNew Haven, CT 065101699056838
- Rebecca Calabrese, PANew Haven, CT 065101346520533
- Kelsey Cameron, MMSCNew Haven, CT 065101538499421
- Nina Carusillo, PA-CNew Haven, CT 065101548424971
- Kerry Digby, PA-CNew Haven, CT 065101588860316
- Mary Finan, PA-CNew Haven, CT 065101679622153
- Matthew Gordon, PA-CNew Haven, CT 065101003962804
- George Hayner, PA-CNew Haven, CT 065101255422523
Common questions
What is Michael K. Sullivan, PA-C's NPI number?
Michael K. Sullivan, PA-C's National Provider Identifier (NPI) is 1558914960, issued on Jul 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Michael K. Sullivan, PA-C located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Michael K. Sullivan, PA-C's license?
NPPES lists Connecticut license number 4657, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
What is Michael K. Sullivan, PA-C's MIPS final score?
The 2023 MIPS final score is 73.6 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.