Barry Charles Gendron, DO
Pain Medicine (Physical Medicine & Rehabilitation) Physician · Portsmouth, NH
Barry Charles Gendron, DO is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Portsmouth, New Hampshire, and NPI 1558441949, issued on Oct 17, 2006. Check the license (New Hampshire 8932, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Barry Charles Gendron
- Credential
- DO
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License number
- 8932 NH
Self-reported in NPPES; status is on the state search - Practice location
- 875 Greenland RD, Portsmouth, NH 03801
- Phone
- (603) 431-5529
- Enumerated
- Oct 17, 2006
- Record last updated
- Mar 7, 2024
- Fax
- (603) 436-6603
- Medicaid ID
- 3074946 NH
- Medicare enrollment
- Enrolled (PECOS I20050427001006); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1989
- Entity
- Type 1 · individual
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 10 in New Hampshire → Look up another NPI →
Also registered at 875 Greenland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barry Charles Gendron in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 8932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024
30 Medicare Part D claims for 14 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 57 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Huggins HospitalWolfeboro, NH · Critical Access Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Barry Charles Gendron among 10 pain medicine (physical medicine & rehabilitation) physician records in New Hampshire
Barry Charles Gendron, DO is one of 10 pain medicine (physical medicine & rehabilitation) physician records with a practice address in New Hampshire. 100% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in New Hampshire
There are 10 pain medicine (physical medicine & rehabilitation) physician records in New Hampshire.
All 10 in New Hampshire → Every provider in Portsmouth → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Michael Bova, MDLebanon, NH 037561720548159
- David Dent, DOLebanon, NH 037561710920483
- Jason Donnelly, M.D.Lebanon, NH 037561487951299
- Abdullah Kandil, M.D.Lebanon, NH 037561922397082
- Lauren Delprato, D.O.Littleton, NH 035611063851004
- Jeremy Collins, MDConcord, NH 033011669659793
- Jung-Woo Ma, M.D.Concord, NH 033011073771515
- David Nagel, MDConcord, NH 033011912931387
Common questions
What is Barry Charles Gendron, DO's NPI number?
Barry Charles Gendron, DO's National Provider Identifier (NPI) is 1558441949, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry Charles Gendron, DO located?
The NPPES record lists a practice address at 875 Greenland RD, Portsmouth, NH, 03801. Phone: (603) 431-5529. Providers update this record themselves, so call before visiting.
How can I verify Barry Charles Gendron, DO's license?
NPPES lists New Hampshire license number 8932, 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.
How much does Barry Charles Gendron, DO prescribe under Medicare Part D?
In 2024, Barry Charles Gendron, DO had 30 Medicare Part D claims for 14 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. Part D covers Medicare prescriptions only.
What is Barry Charles Gendron, DO's MIPS final score?
The 2023 MIPS final score is 57 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.