Karin Michels-Ashwood, MD
Internal Medicine Physician · Newtown, CT
Karin Michels-Ashwood, MD is an internal medicine physician with a practice address in Newtown, Connecticut, and NPI 1922072644, issued on Feb 17, 2006. Check the license (Connecticut 032193, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Karin Michels-Ashwood
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 032193 CT
Self-reported in NPPES; status is on the state search - Practice location
- 164 Mount Pleasant RD, Newtown, CT 06470
- Phone
- (203) 270-1016
- Enumerated
- Feb 17, 2006
- Record last updated
- Jun 1, 2026
- Fax
- (203) 270-0089
- Medicare enrollment
- Enrolled (PECOS I20100609000050); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 164 Mount Pleasant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Silvia BresciaRegistered Nurse1730910431
Verify Karin Michels-Ashwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 032193Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average internal medicine physician in 2024
3,741 Medicare Part D claims for 202 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium281 claims
- Amlodipine Besylate184 claims
- Albuterol Sulfate Hfa145 claims
- Diclofenac Sodium127 claims
- Metformin Hcl104 claims
- Lisinopril97 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.
Bills Medicare through 2 group practices
- Optimus Health Care IncBridgeport, CT
- Prohealth Physicians PCNewtown, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karin Michels-Ashwood among 2,623 internal medicine physician records in Connecticut
Karin Michels-Ashwood, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 2004 among the 1,646 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Newtown
They are 6 of the 283 NPPES records with a practice address in Newtown, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Newtown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeffrey Friedman, MDNewtown, CT 064701023048899
- Jennifer Holloway, M.D.Newtown, CT 064701285601898
- Peter Licht, M.D.Newtown, CT 064701841267457
- Mark Pirner, MDNewtown, CT 064701538439690
- Maria Urfer, M.D.Newtown, CT 064701255581427
- Rahat Sadar, M.DNorth Branford, CT 064711184913311
- Joseph Antonico, M.D.Monroe, CT 064681205830742
- Sekhar Chirunomula, MDMonroe, CT 064681891729760
Common questions
What is Karin Michels-Ashwood, MD's NPI number?
Karin Michels-Ashwood, MD's National Provider Identifier (NPI) is 1922072644, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karin Michels-Ashwood, MD located?
The NPPES record lists a practice address at 164 Mount Pleasant RD, Newtown, CT, 06470. Phone: (203) 270-1016. Providers update this record themselves, so call before visiting.
How can I verify Karin Michels-Ashwood, MD's license?
NPPES lists Connecticut license number 032193, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karin Michels-Ashwood, MD prescribe under Medicare Part D?
In 2024, Karin Michels-Ashwood, MD had 3,741 Medicare Part D claims for 202 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.