Katherine Mathew, MD
Family Medicine Physician · Norwalk, CT
Katherine Mathew, MD is a family medicine physician with a practice address in Norwalk, Connecticut, and NPI 1144859711, issued on Apr 6, 2020. Check the license (Connecticut 75499, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Mathew
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 75499 CT
Self-reported in NPPES; status is on the state search - Practice location
- 637 West Ave, Norwalk, CT 06850
- Phone
- (203) 276-7870
- Enumerated
- Apr 6, 2020
- Record last updated
- Aug 30, 2023
- Fax
- (203) 276-7883
- Medicare enrollment
- Enrolled (PECOS I20230818002734); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2020
- 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 637 West Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erik Beger, M.DRheumatology Physician1992801989
- Chandrika Brown, NPFamily Nurse Practitioner1780252940
- Jennifer Chovitch, D.O.Family Medicine Physician1689058695
- Liane Conte, DOFamily Medicine Physician1174183875
- Anna Jamrozik, MDFamily Medicine Physician1720071665
- Amy Knorr, MDNeurology Physician1255432043
Verify Katherine Mathew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 75499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family medicine physician in 2024
1,353 Medicare Part D claims for 261 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium163 claims
- Amlodipine Besylate89 claims
- Levothyroxine Sodium68 claims
- Rosuvastatin Calcium63 claims
- Metformin Hcl58 claims
- Omeprazole53 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
- Stamford Health Medical Group IncNorwalk, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Mathew among 958 family medicine physician records in Connecticut
Katherine Mathew, MD 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 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · 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).
24 family medicine physician records list a practice address in Norwalk
They are 24 of the 1,993 NPPES records with a practice address in Norwalk, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Norwalk → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jennifer Chovitch, D.O.Norwalk, CT 068501689058695
- Liane Conte, DONorwalk, CT 068501174183875
- Tina Gardner, MDNorwalk, CT 068501629050281
- Anna Jamrozik, MDNorwalk, CT 068501720071665
- Theresa Maxam, FNP-BC, APRNNorwalk, CT 068501053293142
- Kamilah Rose, M.D.Norwalk, CT 068501366704199
- Lesya StetskoNorwalk, CT 068501073475240
- Seth Sullivan, M.D.Norwalk, CT 068501750496048
Common questions
What is Katherine Mathew, MD's NPI number?
Katherine Mathew, MD's National Provider Identifier (NPI) is 1144859711, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mathew, MD located?
The NPPES record lists a practice address at 637 West Ave, Norwalk, CT, 06850. Phone: (203) 276-7870. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mathew, MD's license?
NPPES lists Connecticut license number 75499, 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 Katherine Mathew, MD prescribe under Medicare Part D?
In 2024, Katherine Mathew, MD had 1,353 Medicare Part D claims for 261 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.