Matthew Sullivan, M.D.
NPI 1104104918 · Hematology & Oncology Physician · Claremont, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Sullivan, M.D. is a Hematology & Oncology Physician provider in Claremont, NH (NPI 1104104918).
Provider details
- NPI number
- 1104104918
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17663 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
609 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 208 | $140 |
| 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 | 99 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 92 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $94 |
| Biopsy and Aspiration of Bone Marrow Sample for Diagnosis38222 | 33 | $73 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 102 | 32 |
| Zanubrutinibbrand: Brukinsa | 102 | 15 |
| Pomalidomidebrand: Pomalyst | 39 | — |
| Acyclovir | 35 | 18 |
| Momelotinib Dihydrochloridebrand: Ojjaara | 32 | — |
| Apixabanbrand: Eliquis | 32 | — |
| Lenalidomide | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
- 2011-07-27
- Last updated
- 2016-09-21
Frequently asked questions
- What is Matthew Sullivan's NPI number?
- Matthew Sullivan's National Provider Identifier (NPI) is 1104104918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Sullivan's specialty?
- Matthew Sullivan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Sullivan located?
- Matthew Sullivan's practice location on file with NPPES is 243 Elm St, Claremont, NH 03743-4921.
- What is Matthew Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Matthew Sullivan is (603) 542-6777.
- Does Matthew Sullivan accept Medicare?
- Matthew Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Sullivan's NPI active?
- Yes — Matthew Sullivan's NPI (1104104918) is active in the NPPES registry as of the last update on 2016-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.