John Vincent Flannery, M.D.
Colon & Rectal Surgery Physician · Nashua, NH
John Vincent Flannery, M.D. is a colon & rectal surgery physician with a practice address in Nashua, New Hampshire, and NPI 1316996614, issued on May 6, 2006. Check the license (New Hampshire 15918, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John Vincent Flannery
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 15918 NH
Self-reported in NPPES; status is on the state search - Practice location
- 8 Prospect St, Nashua, NH 03060
- Phone
- (603) 577-3322
- Enumerated
- May 6, 2006
- Record last updated
- Nov 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (603) 577-3376
- Medicaid ID
- 680149936A GA
- Medicare enrollment
- Enrolled (PECOS I20130115000139); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1998
- Entity
- Type 1 · individual
6 nearest colon & rectal surgery physician records → All 7 in New Hampshire → Look up another NPI →
Also registered at 8 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Allen, D.O.Anesthesiology Physician1528098837
- Allisa Alpert, DOInternal Medicine Physician1851880447
- Tahani Alturkistani, M.DDiagnostic Radiology Physician1396975496
- Valerie Atkins, MDNeonatal-Perinatal Medicine Physician1073605218
- Brett BakerSurgery Physician1700272333
- Chad Bandosz, PAPhysician Assistant1912635178
Verify John Vincent Flannery in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 15918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
157 Medicare Part D claims for 57 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Hcl38 claims
- Sod Sulf-Potass Sulf-Mag Sulf25 claims
- Metronidazole17 claims
- Neomycin Sulfate16 claims
- Hydrocortisone15 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: $175.58
2 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 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 one group practice
- Foundation Medical Partners IncMilford, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colon & Rectal Surgery Physician providers in New Hampshire
There are 7 colon & rectal surgery physician records in New Hampshire.
All 7 in New Hampshire → Every provider in Nashua → Colon & Rectal Surgery Physician nationwide →
The 6 colon & rectal surgery physician records with the nearest ZIP codes
- Jeffrey Harnsberger, M.D.Manchester, NH 031041033135967
- Anne Granfield, MDConcord, NH 033011124388160
- Russell Strong, M.D.Concord, NH 033011083663199
- Srinivas Ivatury, MDLebanon, NH 037561003098237
- Liam HaveranWoodsville, NH 037851417093675
- Anthony Chismark, MDExeter, NH 038331679583389
Common questions
What is John Vincent Flannery, M.D.'s NPI number?
John Vincent Flannery, M.D.'s National Provider Identifier (NPI) is 1316996614, issued on May 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Vincent Flannery, M.D. located?
The NPPES record lists a practice address at 8 Prospect St, Nashua, NH, 03060. Phone: (603) 577-3322. Providers update this record themselves, so call before visiting.
How can I verify John Vincent Flannery, M.D.'s license?
NPPES lists New Hampshire license number 15918, 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 John Vincent Flannery, M.D. prescribe under Medicare Part D?
In 2024, John Vincent Flannery, M.D. had 157 Medicare Part D claims for 57 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.