1. Home
  2. Directory
  3. New York
  4. Williamsville
  5. Internal Medicine
  6. NPI Profile

THOMAS MALIKOWSKI M.D.
NPI 1700266194
Internal Medicine - Gastroenterology in Williamsville, NY

Active since June 01, 2015PECOS EnrolledAccepts Medicare Assignment
60 MAPLE RD # 1, WILLIAMSVILLE, NY 14221(166) 265-2507 Get Directions Write a Review

NPPES record last updated: October 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 30, 2019, Jul 25, 2018, Nov 9, 2016 (3 updates tracked since 2016).

About Thomas Malikowski M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS MALIKOWSKI M.D. (NPI 1700266194) is an individual gastroenterology provider in Williamsville, New York, licensed in New York (313420) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains a secondary practice location in Buffalo.

NPPES Registry Identity

NPI1700266194
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTHOMAS MALIKOWSKICredential: M.D.
Location Address60 MAPLE RD # 1Williamsville, NY 14221-2917
Mailing Address293 Ruskin RdBuffalo, NY 14226-4257
Phone(166) 265-2507
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2015
Enumeration DateJune 1, 2015
Last NPPES UpdateOctober 27, 20253 updates tracked since enumeration
NPPES CertifiedOctober 27, 2025
✔ NPI 1700266194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 313420
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
60 MAPLE RD # 1, Williamsville, NY 14221
Open in Google Maps ↗

Secondary Practice Location 1

Location 1Elm and Carlton StBuffalo, NY 14263-0001 · Phone (517) 769-2895

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Malikowski M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628389442
PECOS Enrollment IDI20230512000578
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Thomas Malikowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology Associates, LLP
3.6 mi
Gastroenterology
60 MAPLE RD, STE 1
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 25 clinicians in this Medicare group
NPI 1740259647 (716) 626-5283
Roswell Park Cancer Institute
7.6 mi
Multi-Specialty
ELM AND CARLTON ST
Buffalo, NY 14263
  • Reassigned Medicare billing, New York enrollment
  • 602 clinicians in this Medicare group
NPI 1720036593 (716) 845-2300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
83 services77 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
66 services66 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
61 services61 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
46 services46 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
45 services32 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
32 services29 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330078
Location2157 Main StreetBuffalo, NY 14214 · Erie County
Emergency services Birthing friendly

Kenmore Mercy Hospital

Acute Care Hospitals · Kenmore, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330102
Location2950 Elmwood AvenueKenmore, NY 14217 · Erie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Malikowski's NPI number?

The NPI number for Thomas Malikowski is 1700266194. It was assigned to this individual provider in the NPPES registry on June 1, 2015.

Where is Thomas Malikowski located?

Thomas Malikowski practices at 60 Maple Rd # 1, Williamsville, NY 14221. The listed phone number is (166) 265-2507.

What is Thomas Malikowski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Thomas Malikowski enrolled in Medicare?

Yes. Thomas Malikowski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Malikowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Malikowski reassigns Medicare benefits to 2 organizations: Gastroenterology Associates, LLP (Williamsville, NY) and Roswell Park Cancer Institute (Buffalo, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Malikowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Malikowski affiliated with any hospitals?

According to CMS data, Thomas Malikowski is affiliated with Kaleida Health, Sisters Of Charity Hospital and Kenmore Mercy Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Malikowski was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.