Sean Ag Harford, MD
Infectious Disease Physician · Norwich, CT
Sean Ag Harford, MD is an infectious disease physician with a practice address in Norwich, Connecticut, and NPI 1922663889, issued on May 7, 2019. Check the license (Connecticut 79744, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sean Ag Harford
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 79744 CT
Self-reported in NPPES; status is on the state search - Practice location
- 326 Washington St, Norwich, CT 06360
- Phone
- (860) 889-8331
- Enumerated
- May 7, 2019
- Record last updated
- Jun 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20250527000660); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 202 in Connecticut → Look up another NPI →
Also registered at 326 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sean Ag Harford in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 79744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average infectious disease physician in 2024
81 Medicare Part D claims for 26 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Biktarvy13 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: $124.97
1 payment: food and beverage; the largest payer was Paratek Pharmaceuticals, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Hartford Healthcare Medical Group Specialists PLLCNorwich, CT
- The William W Backus HospitalNorwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Ag Harford among 202 infectious disease physician records in Connecticut
Sean Ag Harford, MD is one of 202 infectious disease physician records with a practice address in Connecticut. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2003 among the 136 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Connecticut
There are 202 infectious disease physician records in Connecticut.
All 202 in Connecticut → Every provider in Norwich → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Patrick Cahill, M.D.Norwich, CT 063601578884698
- Manish Doshi, M.D.Norwich, CT 063601336302314
- Sir Cedric Abraham Ibanez, M.D.Norwich, CT 063601841496452
- Suchita Kumar, M.D.Norwich, CT 063601376830091
- Eufronio Maderazo, MDNorwich, CT 063601639156151
- Uchenna Okereke, M.D.Norwich, CT 063601437566205
- Michael Rajkumar, MDNorwich, CT 063601689651143
- Gurchetan Randhawa, M.D.Norwich, CT 063601831650894
Common questions
What is Sean Ag Harford, MD's NPI number?
Sean Ag Harford, MD's National Provider Identifier (NPI) is 1922663889, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Sean Ag Harford, MD located?
The NPPES record lists a practice address at 326 Washington St, Norwich, CT, 06360. Phone: (860) 889-8331. Providers update this record themselves, so call before visiting.
How can I verify Sean Ag Harford, MD's license?
NPPES lists Connecticut license number 79744, 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 Sean Ag Harford, MD prescribe under Medicare Part D?
In 2024, Sean Ag Harford, MD had 81 Medicare Part D claims for 26 beneficiaries; the average among infectious disease physician prescribers was 689. 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.