Christopher N. Dainiak, M.D.
Gastroenterology Physician · Bedford, NH
Christopher N. Dainiak, M.D. is a gastroenterology physician with a practice address in Bedford, New Hampshire, and NPI 1710942354, issued on Apr 18, 2006. Check the license (New Hampshire 13037, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher N. Dainiak
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 13037 NH
Self-reported in NPPES; status is on the state search - Practice location
- 9 Washington PL Ste 201, Bedford, NH 03110
- Phone
- (603) 367-3064
- Enumerated
- Apr 18, 2006
- Record last updated
- Apr 23, 2025
- Fax
- (603) 367-3065
- Medicaid ID
- 30205978 NH
- Medicare enrollment
- Enrolled (PECOS I20060727000276); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 110 in New Hampshire → Look up another NPI →
Also registered at 9 Washington PL Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Leahy, DOPhysical Medicine & Rehabilitation Physician1609805076
- David Lewis, DOPhysical Medicine & Rehabilitation Physician1700869096
Verify Christopher N. Dainiak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 13037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average gastroenterology physician in 2024
867 Medicare Part D claims for 222 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Omeprazole457 claims
- Pantoprazole Sodium126 claims
- Esomeprazole Magnesium33 claims
- Stelara23 claims
- Famotidine22 claims
- Peg-3350 And Electrolytes21 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: $136.37
3 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Androscoggin Valley Hospital IncBerlin, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher N. Dainiak among 110 gastroenterology physician records in New Hampshire
Christopher N. Dainiak, M.D. is one of 110 gastroenterology physician records with a practice address in New Hampshire. 83% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 42% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1998 · median 2002 among the 80 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Hampshire
There are 110 gastroenterology physician records in New Hampshire.
All 110 in New Hampshire → Every provider in Bedford → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Angel Fernandez Segura, MDBedford, NH 031101124066154
- Ergen Muso, D.O.Bedford, NH 031101619302056
- Mark Silversmith, M.D.Bedford, NH 031101104825587
- Yuki Igari, MDHooksett, NH 031061437229184
- John Dowd, D.O.Manchester, NH 031041164498648
- David Golden, M.D.Manchester, NH 031041891897856
- Angelo Pete Horatagis, M.D.Manchester, NH 031041992893820
- Stuart Jarvis, MDManchester, NH 031041467415067
Common questions
What is Christopher N. Dainiak, M.D.'s NPI number?
Christopher N. Dainiak, M.D.'s National Provider Identifier (NPI) is 1710942354, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher N. Dainiak, M.D. located?
The NPPES record lists a practice address at 9 Washington PL Ste 201, Bedford, NH, 03110. Phone: (603) 367-3064. Providers update this record themselves, so call before visiting.
How can I verify Christopher N. Dainiak, M.D.'s license?
NPPES lists New Hampshire license number 13037, 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 Christopher N. Dainiak, M.D. prescribe under Medicare Part D?
In 2024, Christopher N. Dainiak, M.D. had 867 Medicare Part D claims for 222 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.