Michael Aaron Mayo, PA-C
Medical Physician Assistant · New Haven, CT
Michael Aaron Mayo, PA-C is a medical physician assistant with a practice address in New Haven, Connecticut, and NPI 1922565985, issued on Feb 26, 2019. Check the license (Connecticut 4494, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Aaron Mayo
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 4494 CT
Self-reported in NPPES; status is on the state search - Practice location
- 464 Congress Ave Ste 260, New Haven, CT 06519
- Phone
- (203) 688-2222
- Enumerated
- Feb 26, 2019
- Record last updated
- Jun 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190731002962); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,138 in Connecticut → Look up another NPI →
Also registered at 464 Congress Ave Ste 260
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aisha Droz Lopez, MDEmergency Medicine Physician1154893766
- Daniel Goldberg, PA-CPhysician Assistant1710590807
- Meghan Gwara, PA-CMedical Physician Assistant1023634565
Verify Michael Aaron Mayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 4494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $32.05
1 payment: food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. 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.
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
- Hospitalist Medicine Physicians OF Connecticut - TcsManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Aaron Mayo among 1,138 medical physician assistant records in Connecticut
Michael Aaron Mayo, PA-C 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 2019, is newer than 69% of them.
- NPI issued2019 · 69% of these records are older, 25% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2015 among the 732 with a school on file
- Record last updated2019 · 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.
All 1,138 in Connecticut → Every provider in New Haven → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Andrea Brennan, PANew Haven, CT 065191447394234
- Margot Ebling, M.M.SC., PA-CNew Haven, CT 065191215340724
- Erin Flynn, PA-CNew Haven, CT 065191790319655
- Alexandria Garino, PANew Haven, CT 065191124221858
- Vincenzo Julian, PANew Haven, CT 065191629690524
- Charlene Justin, PA-CNew Haven, CT 065191578759536
- Anne Lovejoy, PA-CNew Haven, CT 065191063654945
- Avery Marzulla-Dulfer, P.A.New Haven, CT 065191639453988
Common questions
What is Michael Aaron Mayo, PA-C's NPI number?
Michael Aaron Mayo, PA-C's National Provider Identifier (NPI) is 1922565985, issued on Feb 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Michael Aaron Mayo, PA-C located?
The NPPES record lists a practice address at 464 Congress Ave Ste 260, New Haven, CT, 06519. Phone: (203) 688-2222. Providers update this record themselves, so call before visiting.
How can I verify Michael Aaron Mayo, PA-C's license?
NPPES lists Connecticut license number 4494, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
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.