Jeffrey H. Katz, M.D.
Internal Medicine Physician · Oxford, CT
Jeffrey H. Katz, M.D. is an internal medicine physician with a practice address in Oxford, Connecticut, and NPI 1780651745, issued on Mar 8, 2006. Check the license (Connecticut 29236, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey H. Katz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 29236 CT
Self-reported in NPPES; status is on the state search - Practice location
- 220 Main St Ste 1A, Oxford, CT 06478
- Phone
- (203) 888-5527
- Enumerated
- Mar 8, 2006
- Record last updated
- Aug 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20110127000028); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 220 Main St Ste 1A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marianne Cosentino, APRNAdult Health Nurse Practitioner1376700609
- Amy Jones, APRN, FNPFamily Nurse Practitioner1962956623
- Shannon McEnerney, PA-CPhysician Assistant1831931112
- Shyla Muriel, M.D.Internal Medicine Physician1558387571
- Jennifer Nelson, APRNAdult Health Nurse Practitioner1164409587
- Barbara Scarpa, APRNAdult Health Nurse Practitioner1811565237
Verify Jeffrey H. Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 29236Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average internal medicine physician in 2024
4,388 Medicare Part D claims for 392 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. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium305 claims
- Rosuvastatin Calcium282 claims
- Amlodipine Besylate202 claims
- Olmesartan Medoxomil172 claims
- Metoprolol Succinate170 claims
- Levothyroxine Sodium165 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: $60,057.73
3 payments; by number, the most common kind was food and beverage; the largest payer was Ascend Laboratories LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Griffin Faculty Physicians IncOxford, CT
- Prospect CT Medical Foundation IncManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey H. Katz among 2,623 internal medicine physician records in Connecticut
Jeffrey H. Katz, 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 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
- Graduated1986 · median 2004 among the 1,646 with a school on file
- Record last updated2025 · 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).
4 internal medicine physician records list a practice address in Oxford
They are 4 of the 130 NPPES records with a practice address in Oxford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Oxford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Herzig, MDOxford, CT 064781215953963
- Rabindranath Mahabir, M.D.Oxford, CT 064781346328044
- Shyla Muriel, M.D.Oxford, CT 064781558387571
- Abisola Afolalu, MDOrange, CT 064771992847644
- Thelma Batiancila, MDOrange, CT 064771922103365
- Nasiha FahmiOrange, CT 064771629113980
- Attilio Granata, MD, MBA, FACPOrange, CT 064771831305226
- Kevin Greene, MDPlantsville, CT 064791164498473
Common questions
What is Jeffrey H. Katz, M.D.'s NPI number?
Jeffrey H. Katz, M.D.'s National Provider Identifier (NPI) is 1780651745, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey H. Katz, M.D. located?
The NPPES record lists a practice address at 220 Main St Ste 1A, Oxford, CT, 06478. Phone: (203) 888-5527. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey H. Katz, M.D.'s license?
NPPES lists Connecticut license number 29236, 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 Jeffrey H. Katz, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey H. Katz, M.D. had 4,388 Medicare Part D claims for 392 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.