Matthew Cywinski, MD
NPI 1639136682 · Colon & Rectal Surgery Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Cywinski, MD is a Colon & Rectal Surgery Physician provider in Williamsville, NY (NPI 1639136682).
Provider details
- NPI number
- 1639136682
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 206063-1 (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
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
310 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) |
|---|---|---|
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 77 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $86 |
| Diagnostic Exam of Anus Using an Endoscope46600 | 41 | $110 |
| Removal of External Hemorrhoids By Rubber Banding46221 | 35 | $266 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 29 | $236 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High Risk |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Linaclotidebrand: Linzess | 117 | 25 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 102 | 20 |
| Dicyclomine Hcl | 75 | 23 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 69 | 20 |
| Hydrocortisonebrand: Procto-Med Hc | 62 | 35 |
| Hydrocortisone | 33 | 22 |
| Mesalamine | 31 | — |
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
- 2006-04-26
- Last updated
- 2021-12-06
- Certified
- 2021-12-06
Frequently asked questions
- What is Matthew Cywinski's NPI number?
- Matthew Cywinski's National Provider Identifier (NPI) is 1639136682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Cywinski's specialty?
- Matthew Cywinski is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Cywinski located?
- Matthew Cywinski's practice location on file with NPPES is 295 Essjay Rd, Williamsville, NY 14221-8216.
- What is Matthew Cywinski's phone number?
- The practice phone number listed in the NPPES registry for Matthew Cywinski is (716) 834-4237.
- Does Matthew Cywinski accept Medicare?
- Matthew Cywinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Cywinski's NPI active?
- Yes — Matthew Cywinski's NPI (1639136682) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.