Catherine Keohan
Physician Assistant · New Haven, CT
Catherine Keohan is a physician assistant with a practice address in New Haven, Connecticut, and NPI 1063041515, issued on Apr 6, 2020. Check the license (Connecticut 5127, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Keohan
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5127 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (207) 737-7090
- Enumerated
- Apr 6, 2020
- Record last updated
- Mar 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210408000581); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 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 Catherine Keohan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 5127Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
66 Medicare Part D claims for 37 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Oxycodone Hcl17 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 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).
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).
Catherine Keohan among 2,047 physician assistant records in Connecticut
Catherine Keohan 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 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 35% 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 updated2021 · 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).
256 physician assistant records list a practice address in New Haven
They are 256 of the 9,793 NPPES records with a practice address in New Haven, and 2,047 physician assistant records in Connecticut.
All 2,047 in Connecticut → Every provider in New Haven → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Browne, PACNew Haven, CT 065101699765990
- Kevin Burns, PA CNew Haven, CT 065101487642153
- Kacie Carlson, PA-CNew Haven, CT 065101174514558
- Shivani Desai, PA-CNew Haven, CT 065101144243825
- Michelle Gordon-Canning, P.A.New Haven, CT 065101184637654
- Stephanie Grimaldi, PA-CNew Haven, CT 065101730149022
- Tara Herbert, PA CNew Haven, CT 065101760469944
- Kelly Martens, PA CNew Haven, CT 065101285623082
Common questions
What is Catherine Keohan's NPI number?
Catherine Keohan's National Provider Identifier (NPI) is 1063041515, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Keohan located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (207) 737-7090. Providers update this record themselves, so call before visiting.
How can I verify Catherine Keohan's license?
NPPES lists Connecticut license number 5127, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Keohan prescribe under Medicare Part D?
In 2024, Catherine Keohan had 66 Medicare Part D claims for 37 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Catherine Keohan'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.