Johanna B. Cahill, PA
Physician Assistant · Hartford, CT
Johanna B. Cahill, PA is a physician assistant with a practice address in Hartford, Connecticut, and NPI 1255394904, issued on Apr 11, 2006. Check the license (Connecticut 001667, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Johanna B. Cahill
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 001667 CT
Self-reported in NPPES; status is on the state search - Practice location
- 85 Seymour St Ste 719, Hartford, CT 06106
- Phone
- (860) 522-0604
- Enumerated
- Apr 11, 2006
- Record last updated
- Mar 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (860) 247-0422
- Medicare enrollment
- Enrolled (PECOS I20060202000405); accepts Medicare assignment
- Medical or professional school
- Rutgers School Of Dental Medicine, 2001
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 in Connecticut → Look up another NPI →
Also registered at 85 Seymour St Ste 719
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Altszuler, MDCardiovascular Disease Physician1003177965
- Steven Bleich, M.D., MPHCardiovascular Disease Physician1184914343
Verify Johanna B. Cahill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average physician assistant in 2024
645 Medicare Part D claims for 136 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Spironolactone113 claims
- Torsemide71 claims
- Metoprolol Succinate65 claims
- Furosemide59 claims
- Entresto42 claims
- Atorvastatin Calcium33 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.
Industry payments in 2024: $166.80
7 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
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
- Consulting Cardiologists PCWallingford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna B. Cahill among 2,047 physician assistant records in Connecticut
Johanna B. Cahill, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2001 · median 2018 among the 1,338 with a school on file
- Record last updated2018 · 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
- James Alvarez, PHYSICIAN ASSISTANTHartford, CT 061061407853575
- Alan Armstrong, P.A.Hartford, CT 061061790761898
- Susan Barksdale, PHYSICAN ASSISTANTHartford, CT 061061235136300
- Diane Barnes, PHYSICIAN ASSISTANTHartford, CT 061061851398846
- Bruce Bowman, PAHartford, CT 061061952373755
- Michelle Brenes, PAHartford, CT 061061124090956
- Daniel De Jesus, PACHartford, CT 061061851373591
- Ann Gorjanc, PAHartford, CT 061061174596753
Common questions
What is Johanna B. Cahill, PA's NPI number?
Johanna B. Cahill, PA's National Provider Identifier (NPI) is 1255394904, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johanna B. Cahill, PA located?
The NPPES record lists a practice address at 85 Seymour St Ste 719, Hartford, CT, 06106. Phone: (860) 522-0604. Providers update this record themselves, so call before visiting.
How can I verify Johanna B. Cahill, PA's license?
NPPES lists Connecticut license number 001667, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Johanna B. Cahill, PA prescribe under Medicare Part D?
In 2024, Johanna B. Cahill, PA had 645 Medicare Part D claims for 136 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.