Karen D. Rosen, PA
Medical Physician Assistant · Waterbury, CT
Karen D. Rosen, PA is a medical physician assistant with a practice address in Waterbury, Connecticut, and NPI 1306928593, issued on Oct 19, 2006. Check the license (Connecticut 001835, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen D. Rosen
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 001835 CT
Self-reported in NPPES; status is on the state search - Practice location
- 56 Franklin St, Waterbury, CT 06706
- Phone
- (203) 709-6004
- Enumerated
- Oct 19, 2006
- Record last updated
- Oct 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (203) 709-3700
- Medicare enrollment
- Enrolled (PECOS I20070112000210); 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 56 Franklin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abeera Akram, MDCardiovascular Disease Physician1497240238
Verify Karen D. Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001835Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average medical physician assistant in 2024
315 Medicare Part D claims for 238 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone36 claims
- Cephalexin28 claims
- Doxycycline Hyclate28 claims
- Albuterol Sulfate Hfa26 claims
- Levocetirizine Dihydrochloride23 claims
- Nitrofurantoin Mono-Macro15 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: $130.80
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Trinity Health OF New England Urgent Care PLLCWaterbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen D. Rosen among 1,138 medical physician assistant records in Connecticut
Karen D. Rosen, PA 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2006 · median 2015 among the 732 with a school on file
- Record last updated2015 · 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).
52 medical physician assistant records list a practice address in Waterbury
They are 52 of the 3,148 NPPES records with a practice address in Waterbury, and 1,138 medical physician assistant records in Connecticut.
All 1,138 in Connecticut → Every provider in Waterbury → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Angela Barrows, PAWaterbury, CT 067061356370662
- Jaclyn Brancato, PAWaterbury, CT 067061699956961
- Isabel Brodersen, PAWaterbury, CT 067061144247966
- James Gerace, PAWaterbury, CT 067061508887936
- Kalin HaleyWaterbury, CT 067061245613199
- Kaitlyn Jennings, PA-CWaterbury, CT 067061902255086
- Michelle Lachance, PAWaterbury, CT 067061154357671
- Meghan Petitti, PA-CWaterbury, CT 067061194066977
Common questions
What is Karen D. Rosen, PA's NPI number?
Karen D. Rosen, PA's National Provider Identifier (NPI) is 1306928593, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen D. Rosen, PA located?
The NPPES record lists a practice address at 56 Franklin St, Waterbury, CT, 06706. Phone: (203) 709-6004. Providers update this record themselves, so call before visiting.
How can I verify Karen D. Rosen, PA's license?
NPPES lists Connecticut license number 001835, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Karen D. Rosen, PA prescribe under Medicare Part D?
In 2024, Karen D. Rosen, PA had 315 Medicare Part D claims for 238 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.