DR. SHERRY ANN GUARDIANO D.O.
NPI 1043290596
Internal Medicine - Rheumatology in Keene, NH
About Dr. Sherry Ann Guardiano D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHERRY ANN GUARDIANO D.O. (NPI 1043290596) is an individual rheumatology provider in Keene, New Hampshire, licensed in New Hampshire (13861) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Sherry Ann Guardiano D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sherry Guardiano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 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 03431 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Sherry Guardiano's NPI number?
The NPI number for Sherry Guardiano is 1043290596. It was assigned to this individual provider in the NPPES registry on January 20, 2006.
Where is Sherry Guardiano located?
Sherry Guardiano practices at 590 Court St, Keene, NH 03431. The listed phone number is (603) 354-5454.
What is Sherry Guardiano's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Sherry Guardiano enrolled in Medicare?
Yes. Sherry Guardiano is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sherry Guardiano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sherry Guardiano reassigns Medicare benefits to 2 organizations: Cheshire Medical Center (Keene, NH) and Dartmouth-Hitchcock Clinic (Keene, NH). 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 Sherry Guardiano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sherry Guardiano was last updated on March 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# Dr. Sherry Ann Guardiano, D.O. · NPI 1043290596
Rheumatology physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since January 20, 2006.
## Identity
- **NPI:** 1043290596 (Entity type: Individual)
- **Enumerated:** January 20, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 13861 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 590 COURT ST, Keene, NH 03431-1719
- **Phone:** (603) 354-5454
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Cheshire Medical Center (NPI 1306349444, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 29, 2012
- **Other identifiers:** Medicare PIN 000735401 (NH); Medicaid 30226756 (NH); Medicare UPIN H34758
---
Source: [NPI Profile](https://npiprofile.com/npi/1043290596) · Data from the CMS NPPES public registry.