Christopher Dainiak, M.D.
NPI 1710942354 · Gastroenterology Physician · Bedford, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Dainiak, M.D. is a Gastroenterology Physician provider in Bedford, NH (NPI 1710942354).
Provider details
- NPI number
- 1710942354
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 13037 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
618 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 146 | $90 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 100 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $126 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 92 | $105 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 76 | $245 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 457 | 116 |
| Pantoprazole Sodium | 126 | 38 |
| Esomeprazole Magnesium | 33 | — |
| Ustekinumabbrand: Stelara | 23 | — |
| Famotidine | 22 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 21 | 20 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$136 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-18
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Christopher Dainiak's NPI number?
- Christopher Dainiak's National Provider Identifier (NPI) is 1710942354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Dainiak's specialty?
- Christopher Dainiak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Dainiak located?
- Christopher Dainiak's practice location on file with NPPES is 9 Washington Pl Ste 201, Bedford, NH 03110-6750.
- What is Christopher Dainiak's phone number?
- The practice phone number listed in the NPPES registry for Christopher Dainiak is (603) 367-3064.
- Does Christopher Dainiak accept Medicare?
- Christopher Dainiak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Dainiak's NPI active?
- Yes — Christopher Dainiak's NPI (1710942354) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.