Catherine Holmes, M.D.
Internal Medicine Physician · New Britain, CT
Catherine Holmes, M.D. is an internal medicine physician with a practice address in New Britain, Connecticut, and NPI 1497751168, issued on Jun 27, 2005. Check the license (Connecticut 040511, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Catherine Holmes
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 040511 CT
Self-reported in NPPES; status is on the state search - Practice location
- 300 Kensington Ave, New Britain, CT 06051
- Phone
- (860) 832-8150
- Enumerated
- Jun 27, 2005
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 224-6953
- Medicaid IDs
- 001405118 CT
004215324 CT - Medicare enrollment
- Enrolled (PECOS I20101019000347); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 300 Kensington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laura Beveridge, APRNAdult Health Nurse Practitioner1861765281
- Larry Broisman, M.D.Internal Medicine Physician1174525497
Verify Catherine Holmes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 040511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,264 Medicare Part D claims for 655 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 141 claims were for opioids.
Most prescribed
- Atorvastatin Calcium729 claims
- Levothyroxine Sodium366 claims
- Amlodipine Besylate332 claims
- Famotidine286 claims
- Rosuvastatin Calcium280 claims
- Hydrochlorothiazide229 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 one group practice
- Starling Physicians, PLLCAvon, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Holmes among 2,623 internal medicine physician records in Connecticut
Catherine Holmes, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2004 among the 1,646 with a school on file
- Record last updated2007 · 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).
74 internal medicine physician records list a practice address in New Britain
They are 74 of the 1,772 NPPES records with a practice address in New Britain, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in New Britain → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sabeen Anwar, M.D.New Britain, CT 060511902067150
- Sudhir Bhatnagar, MDNew Britain, CT 060511780607960
- Larry Broisman, M.D.New Britain, CT 060511174525497
- Robert Dodenhoff, M.D.New Britain, CT 060511710989025
- Michael Honor, M.D.New Britain, CT 060511831196161
- Askari Jafri, M.D.New Britain, CT 060511164407003
- Gerald McAuliffe, M.D.New Britain, CT 060511710986377
- James Ohara, M.D.New Britain, CT 060511770584724
Common questions
What is Catherine Holmes, M.D.'s NPI number?
Catherine Holmes, M.D.'s National Provider Identifier (NPI) is 1497751168, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Holmes, M.D. located?
The NPPES record lists a practice address at 300 Kensington Ave, New Britain, CT, 06051. Phone: (860) 832-8150. Providers update this record themselves, so call before visiting.
How can I verify Catherine Holmes, M.D.'s license?
NPPES lists Connecticut license number 040511, 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 Catherine Holmes, M.D. prescribe under Medicare Part D?
In 2024, Catherine Holmes, M.D. had 9,264 Medicare Part D claims for 655 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.