Jonathan Katz, DO
Family Medicine Physician · Middletown, CT
Jonathan Katz, DO is a family medicine physician with a practice address in Middletown, Connecticut, and NPI 1467940395, issued on Apr 26, 2018. Check the license (Connecticut 071899, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Katz
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 071899 CT
Self-reported in NPPES; status is on the state search - Practice location
- 520 Saybrook RD Ste N100, Middletown, CT 06457
- Phone
- (860) 358-3130
- Enumerated
- Apr 26, 2018
- Record last updated
- Mar 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20220817002858); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 958 in Connecticut → Look up another NPI →
Also registered at 520 Saybrook RD Ste N100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yevgeniya Borovinskaya, DOFamily Medicine Physician1104314020
- Kalpana Reddy, MDFamily Medicine Physician1609430354
- Alexandra Schain, A.P.R.NAdult Health Nurse Practitioner1578973905
Verify Jonathan Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 071899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average family medicine physician in 2024
3,850 Medicare Part D claims for 404 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 31 claims were for opioids.
Most prescribed
- Atorvastatin Calcium426 claims
- Amlodipine Besylate202 claims
- Lisinopril155 claims
- Hydrochlorothiazide130 claims
- Tamsulosin Hcl97 claims
- Simvastatin95 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.
The MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- Middlesex HospitalMiddletown, CT · Acute Care Hospitals3 of 5 stars
- Mhs Primary Care, Inc.Middletown, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jonathan Katz among 958 family medicine physician records in Connecticut
Jonathan Katz, DO is one of 958 family medicine physician 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 2018, is newer than 78% of them.
- NPI issued2018 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2009 among the 611 with a school on file
- Record last updated2023 · 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 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 family medicine physician records list a practice address in Middletown
They are 58 of the 1,590 NPPES records with a practice address in Middletown, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Middletown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alan Douglass, M.D.Middletown, CT 064571982684296
- Cliff Drechsler-Martell, MDMiddletown, CT 064571770558108
- Matthew Huddleston, MDMiddletown, CT 064571063418218
- Michael Kazakoff, M.D.Middletown, CT 064571346220647
- Adriel Kramer, M.D.Middletown, CT 064571932189792
- Thomas Lambe, M.D.Middletown, CT 064571831197706
- Carl Lecce, MDMiddletown, CT 064571477550523
- Karen McArthur, M.D.Middletown, CT 064571710965199
Common questions
What is Jonathan Katz, DO's NPI number?
Jonathan Katz, DO's National Provider Identifier (NPI) is 1467940395, issued on Apr 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Katz, DO located?
The NPPES record lists a practice address at 520 Saybrook RD Ste N100, Middletown, CT, 06457. Phone: (860) 358-3130. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Katz, DO's license?
NPPES lists Connecticut license number 071899, 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 Jonathan Katz, DO prescribe under Medicare Part D?
In 2024, Jonathan Katz, DO had 3,850 Medicare Part D claims for 404 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jonathan Katz, DO's MIPS final score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.