NPPES file of Aug 9, 2026

Sherry Ann Guardiano, D.O.

Rheumatology Physician · Keene, NH

Sherry Ann Guardiano, D.O. is a rheumatology physician with a practice address in Keene, New Hampshire, and NPI 1043290596, issued on Jan 20, 2006. Check the license (New Hampshire 13861, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043290596
Name
Sherry Ann Guardiano
Credential
D.O.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
13861 NH
Self-reported in NPPES; status is on the state search
Practice location
590 Court St, Keene, NH 03431
Phone
(603) 354-5454
Enumerated
Jan 20, 2006
Record last updated
Mar 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
30226756 NH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 590 Court St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Anderson, M.D.Critical Care Medicine (Anesthesiology) Physician1790927168
  2. William Argie, PA-CMedical Physician Assistant1265519946
  3. Jeremy Arnold, M.D.Emergency Medicine Physician1174784557
  4. Payson Ayer-Dufner, PA-CPhysician Assistant1124424379
  5. Everett Bacon, MDEmergency Medicine Physician1669827143
  6. Samantha BarryFamily Nurse Practitioner1568004307

Verify Sherry Ann Guardiano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 13861
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Hampshire license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 73.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.0
  2. Costout of 100 · 30%47.0
  3. Promoting interoperabilityout of 100 · 25%91.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Sherry Ann Guardiano among 58 rheumatology physician records in New Hampshire

Sherry Ann Guardiano, D.O. is one of 58 rheumatology physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in New Hampshire

There are 58 rheumatology physician records in New Hampshire.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Nicholas Bartenhagen, M.D.Keene, NH 034311902819493
  2. Todd Dombrowski, M.D.Keene, NH 034311144481789
  3. John Schlegelmilch, M.D.Keene, NH 034311043245772
  4. Jonathan Krant, MDPeterborough, NH 034581023165172
  5. Julia Bolding, MDLittleton, NH 035611578564456
  6. Stewart Levenson, MDConcord, NH 033011336105246
  7. Yan Li, M.D.Concord, NH 033011629521042
  8. Andree Phillips, MDConcord, NH 033011477583557

Common questions

What is Sherry Ann Guardiano, D.O.'s NPI number?

Sherry Ann Guardiano, D.O.'s National Provider Identifier (NPI) is 1043290596, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sherry Ann Guardiano, D.O. located?

The NPPES record lists a practice address at 590 Court St, Keene, NH, 03431. Phone: (603) 354-5454. Providers update this record themselves, so call before visiting.

How can I verify Sherry Ann Guardiano, D.O.'s license?

NPPES lists New Hampshire license number 13861, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Sherry Ann Guardiano, D.O.'s MIPS final score?

The 2023 MIPS final score is 73.1 of 100, reported for the practice group. 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.