Kristin Macarthur, M.D.
NPI 1225357809 · Gastroenterology Physician · Branford, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristin Macarthur, M.D. is a Gastroenterology Physician provider in Branford, CT (NPI 1225357809).
Provider details
- NPI number
- 1225357809
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 055229 (CT)
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
16 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
358 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 99 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $95 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $174 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 48 | $259 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 31 | $103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 272 | 114 |
| Omeprazole | 119 | 51 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 102 | 101 |
| Linaclotidebrand: Linzess | 84 | 27 |
| Famotidine | 59 | 26 |
| Lipase/Protease/Amylasebrand: Creon | 47 | — |
| Dicyclomine Hcl | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,215 across 62 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
- 2010-05-22
- Last updated
- 2023-12-04
- Certified
- 2023-12-04
Frequently asked questions
- What is Kristin Macarthur's NPI number?
- Kristin Macarthur's National Provider Identifier (NPI) is 1225357809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristin Macarthur's specialty?
- Kristin Macarthur is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristin Macarthur located?
- Kristin Macarthur's practice location on file with NPPES is 1224 Main St, Branford, CT 06405-3778.
- What is Kristin Macarthur's phone number?
- The practice phone number listed in the NPPES registry for Kristin Macarthur is (203) 481-0315.
- Does Kristin Macarthur accept Medicare?
- Kristin Macarthur is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristin Macarthur's NPI active?
- Yes — Kristin Macarthur's NPI (1225357809) is active in the NPPES registry as of the last update on 2023-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.