SEAN AG HARFORD MD
NPI 1922663889
Internal Medicine - Infectious Disease in Norwich, CT
About Sean Ag Harford Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN AG HARFORD MD (NPI 1922663889) is an individual infectious disease provider in Norwich, Connecticut, licensed in Connecticut (79744) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sean Ag Harford Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Sean Harford reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORWICH, CT 06360
NORWICH, CT 06360
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sean Harford's NPI number?
The NPI number for Sean Harford is 1922663889. It was assigned to this individual provider in the NPPES registry on May 7, 2019.
Where is Sean Harford located?
Sean Harford practices at 326 Washington St, Norwich, CT 06360. The listed phone number is (860) 889-8331.
What is Sean Harford's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Sean Harford enrolled in Medicare?
Yes. Sean Harford is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sean Harford's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Harford reassigns Medicare benefits to 2 organizations: William W Backus Hospital (Norwich, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Harford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sean Harford accept?
Health plans from Anthem Blue Cross and Blue Shield list Sean Harford as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sean Harford was last updated on June 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sean Ag Harford, MD · NPI 1922663889
Infectious Disease physician in Norwich, Connecticut. Individual provider, active in the CMS NPPES registry since May 7, 2019.
## Identity
- **NPI:** 1922663889 (Entity type: Individual)
- **Enumerated:** May 7, 2019
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 79744 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 326 WASHINGTON ST, Norwich, CT 06360-2740
- **Phone:** (860) 889-8331
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): William W Backus Hospital (NPI 1730243536, Norwich, CT); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1922663889) · Data from the CMS NPPES public registry.