Kenneth Falchuk, M.D.
NPI 1639154305 · Gastroenterology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Falchuk, M.D. is a Gastroenterology Physician provider in Boston, MA (NPI 1639154305).
Provider details
- NPI number
- 1639154305
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 34692 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
525 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 146 | $102 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 90 | $191 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 75 | $185 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 62 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 59 | $151 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 216 | 74 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 209 | 204 |
| Famotidine | 129 | 41 |
| Mesalamine | 74 | 21 |
| Pantoprazole Sodium | 56 | 20 |
| Linaclotidebrand: Linzess | 26 | — |
| Ondansetron Hcl | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-14
- Last updated
- 2011-04-13
Frequently asked questions
- What is Kenneth Falchuk's NPI number?
- Kenneth Falchuk's National Provider Identifier (NPI) is 1639154305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Falchuk's specialty?
- Kenneth Falchuk is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Falchuk located?
- Kenneth Falchuk's practice location on file with NPPES is 110 Francis St, Boston, MA 02215-5501.
- What is Kenneth Falchuk's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Falchuk is (617) 632-8623.
- Does Kenneth Falchuk accept Medicare?
- Kenneth Falchuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Falchuk's NPI active?
- Yes — Kenneth Falchuk's NPI (1639154305) is active in the NPPES registry as of the last update on 2011-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.