DR. CATHERINE BARTNIK MD, MPH
NPI 1548688773
Internal Medicine - Gastroenterology in Grand Rapids, MI

Active since April 04, 2014PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
4100 LAKE DR SE STE 205, GRAND RAPIDS, MI 49546(616) 267-7414 Get Directions Write a Review

NPPES record last updated: August 30, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 20, 2021, Jun 29, 2017 (2 updates tracked since 2017).

About Dr. Catherine Bartnik Md, Mph NPPES

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

DR. CATHERINE BARTNIK MD, MPH (NPI 1548688773) is an individual gastroenterology provider in Grand Rapids, Michigan, licensed in Michigan (4301503842) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Corewell Health Zeeland Hospital, and is a graduate of Michigan State University College Of Human Medicine (2014).

NPPES Registry Identity

NPI1548688773
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CATHERINE BARTNIKCredential: MD, MPH
Location Address4100 LAKE DR SE STE 205Grand Rapids, MI 49546-8292
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 2014
Enumeration DateApril 4, 2014
Last NPPES UpdateAugust 30, 20212 updates tracked since enumeration
NPPES CertifiedAugust 30, 2021
NPI 1548688773 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 MI · 4301503842
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.
4100 LAKE DR SE STE 205, Grand Rapids, MI 49546

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Catherine Bartnik Md, Mph 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 ID1658649306
PECOS Enrollment IDI20210726002977
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.

Areas of Expertise CMS Part B claims 5

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.

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.
34 services27 patients
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 monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
24 services24 patients
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.
20 services20 patients
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.
19 services19 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Corewell Health Zeeland Hospital

Acute Care Hospitals · Zeeland, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number230003
Location8333 Felch StZeeland, MI 49464 · Ottawa County
Emergency services Birthing friendly

Spectrum Health United Hospital

Acute Care Hospitals · Greenville, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230035
Location615 S Bower StreetGreenville, MI 48838 · Montcalm County
Birthing friendly

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Corewell Health Big Rapids Hospital

Acute Care Hospitals · Big Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230093
Location605 Oak StreetBig Rapids, MI 49307 · Mecosta County
Emergency services Birthing friendly

Corewell Health Pennock Hospital

Critical Access Hospitals · Hastings, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number231339
Location1009 W Green StHastings, MI 49058 · Barry County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49546 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Nurse Practitioner (Family)
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Surgery
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Colon & Rectal Surgery
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Physician Assistant
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Internal Medicine (Gastroenterology)
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Colon & Rectal Surgery
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546
Physician Assistant
4100 LAKE DR SE STE 205
GRAND RAPIDS, MI 49546

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 Catherine Bartnik's NPI number?

The NPI number for Catherine Bartnik is 1548688773. It was assigned to this individual provider in the NPPES registry on April 4, 2014.

Where is Catherine Bartnik located?

Catherine Bartnik practices at 4100 Lake Dr SE Ste 205, Grand Rapids, MI 49546. The listed phone number is (616) 267-7414.

What is Catherine Bartnik's specialty?

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

Is Catherine Bartnik enrolled in Medicare?

Yes. Catherine Bartnik 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.

What insurance does Catherine Bartnik accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, McLaren Health Plan Community and Priority Health list Catherine Bartnik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Catherine Bartnik affiliated with any hospitals?

According to CMS data, Catherine Bartnik is affiliated with Corewell Health Zeeland Hospital, Spectrum Health United Hospital, Spectrum Health, Corewell Health Big Rapids Hospital and Corewell Health Pennock Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Bartnik was last updated on August 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.