Ryan A. Martzall, PA-C
Physician Assistant · Hartford, CT
Ryan A. Martzall, PA-C is a physician assistant with a practice address in Hartford, Connecticut, and NPI 1619561743, issued on Mar 1, 2021. Check the license (Connecticut 006897, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan A. Martzall
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 006897 CT
Self-reported in NPPES; status is on the state search - Practice location
- 80 Seymour St, Hartford, CT 06102
- Phone
- (860) 972-0000
- Enumerated
- Mar 1, 2021
- Record last updated
- May 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250113001249); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 in Connecticut → Look up another NPI →
Also registered at 80 Seymour St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan A. Martzall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 006897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ryan A. Martzall among 2,047 physician assistant records in Connecticut
Ryan A. Martzall, PA-C 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 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2020 · median 2018 among the 1,338 with a school on file
- Record last updated2025 · 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.
All 2,047 in Connecticut → Every provider in Hartford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- M. Auclair, PAHartford, CT 061021932150364
- Robert Bligh, PAHartford, CT 061021780684837
- Amy Brower, PAHartford, CT 061021386616787
- Patrick Deegan, P.A.Hartford, CT 061021447236542
- Leon Ho, PA-CHartford, CT 061021497703664
- Lisa Lemieux, PAHartford, CT 061021306945175
- Peter Lopez, PA-CHartford, CT 061021275588337
- Amy Neal, P.A.-CHartford, CT 061021639170970
Common questions
What is Ryan A. Martzall, PA-C's NPI number?
Ryan A. Martzall, PA-C's National Provider Identifier (NPI) is 1619561743, issued on Mar 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ryan A. Martzall, PA-C located?
The NPPES record lists a practice address at 80 Seymour St, Hartford, CT, 06102. Phone: (860) 972-0000. Providers update this record themselves, so call before visiting.
How can I verify Ryan A. Martzall, PA-C's license?
NPPES lists Connecticut license number 006897, 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.