Christopher Martin, M.D.
NPI 1134222649 · Gastroenterology Physician · Sleepy Hollow, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Martin, M.D. is a Gastroenterology Physician provider in Sleepy Hollow, NY (NPI 1134222649).
Provider details
- NPI number
- 1134222649
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 219342 (NY)
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
19 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
1,094 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 227 | $134 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 154 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 150 | $148 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 105 | $174 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 87 | $110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 573 | 129 |
| Pantoprazole Sodium | 116 | 31 |
| Linaclotidebrand: Linzess | 70 | 17 |
| Famotidine | 57 | 14 |
| Mesalamine | 46 | — |
| Mesalaminebrand: Mesalamine Er | 24 | — |
| Esomeprazole Magnesium | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 2 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
- 2006-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Martin's NPI number?
- Christopher Martin's National Provider Identifier (NPI) is 1134222649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Martin's specialty?
- Christopher Martin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Martin located?
- Christopher Martin's practice location on file with NPPES is Westchester Gastroenterology Assoc. PC, Sleepy Hollow, NY 10591.
- What is Christopher Martin's phone number?
- The practice phone number listed in the NPPES registry for Christopher Martin is (914) 366-6120.
- Does Christopher Martin accept Medicare?
- Christopher Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Martin's NPI active?
- Yes — Christopher Martin's NPI (1134222649) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.