MARK ANDREW KOCAB MD
NPI 1942271606
Internal Medicine - Gastroenterology in Kalamazoo, MI

Q: What is Mark Kocab's NPI number?

The NPI number for Mark Kocab is 1942271606. It was assigned to this individual provider in the NPPES registry on January 31, 2006.

Q: What is Mark Kocab's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Kocab was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since January 31, 2006PECOS EnrolledAccepts Medicare Assignment

96.6/100

CMS Quality Rating

601 JOHN ST STE M-302, KALAMAZOO, MI 49007(269) 349-2266 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2025, Mar 18, 2025, Mar 4, 2025 and 2 more (5 updates tracked since 2018).

On this page

About Mark Andrew Kocab Md NPPES

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

MARK ANDREW KOCAB MD (NPI 1942271606) is an individual gastroenterology provider in Kalamazoo, Michigan, licensed in Florida (ME0774610) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Kootenai Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942271606

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMARK ANDREW KOCABCredential: MD

Location Address601 JOHN ST STE M-302Kalamazoo, MI 49007-5357

Mailing Address1811 80th Ave EParrish, FL 34219-9259 · (941) 713-9246

Phone(269) 349-2266

Sole ProprietorNo

Medical School CMSOtherGraduated 1993

Enumeration DateJanuary 31, 2006

Last NPPES UpdateMay 8, 20255 updates tracked since enumeration

NPPES CertifiedMay 8, 2025

✔ NPI 1942271606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in FL · ME0774610✔ Licensed in TN · 74150✔ Licensed in MT · 143712✔ Licensed in MI · 4301512571

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.

601 JOHN ST STE M-302, Kalamazoo, MI 49007

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Secondary Practice Locations 2

Location 1130 W Ravine RdKingsport, TN 37660-3837 · Phone (423) 224-4000

Location 21 Medical Park BlvdBristol, TN 37620-7430 · Phone (423) 844-1121

Other Identifiers 5

Other2629306Aetna Hmo

Other02902FL · Bcbs

Other2950007United Healthcare

Other5083786Aetna Ppo

Other7485722003Cigna

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Blue Cross and Blue Shield of Montana, Cigna Healthcare and more.Insurance ›

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

Mark Andrew Kocab Md 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 ID4587716873

PECOS Enrollment IDI20240809001203, I20250502001295, I20250530003068

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

Medicare enrollment records show Mark Kocab reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bronson Methodist Hospital

Same address

Hospitalist

601 JOHN STREET
Kalamazoo, MI 49007

Reassigned Medicare billing, Michigan enrollment
1,133 clinicians in this Medicare group

NPI 1417961137 (269) 341-7654

Wellmont Medical Associates, Inc.

400 mi

Internal Medicine

601 COMMONWEALTH DR
Norton, VA 24273

Reassigned Medicare billing, Tennessee enrollment
861 clinicians in this Medicare group

NPI 1003274994 (276) 679-6028

Billings Clinic

1,039 mi

Family Medicine

620 S HAYNES AVE
Miles City, MT 59301

Reassigned Medicare billing, Montana enrollment
1,264 clinicians in this Medicare group

NPI 1427194836 (406) 233-7000

Premiere Gi PLLC

1,039 mi

Gastroenterology

11505 PALMBRUSH TRL STE 200
Lakewood Ranch, FL 34202

Reassigned Medicare billing, Florida enrollment
4 clinicians in this Medicare group

NPI 1336829894 (941) 334-9040

Benefis Hospitals, Inc.

1,304 mi

General Acute Care Hospital

1101 26TH ST S
Great Falls, MT 59405

Reassigned Medicare billing, Montana enrollment
637 clinicians in this Medicare group

NPI 1881650737 (406) 455-5000

Kootenai Health, Inc.

1,563 mi

Psychiatry

2003 KOOTENAI HEALTH WAY
Coeur D Alene, ID 83814

Reassigned Medicare billing, Idaho enrollment
472 clinicians in this Medicare group

NPI 1174661151 (208) 625-4000

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 14

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.

328 services234 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.

129 services128 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

87 services87 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.

84 services84 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.

67 services67 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

58 services58 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

48 services29 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

40 services39 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.

33 services33 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

29 services29 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

28 services28 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.

25 services24 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

21 services21 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Kootenai Health

Acute Care Hospitals · Coeur D'alene, ID

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number130049

Location2003 Kootenai Health WayCoeur D'alene, ID 83814 · Kootenai County

Emergency services Birthing friendly

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230017

Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County

Emergency services Birthing friendly

Wellmont Bristol Regional Medical Center

Acute Care Hospitals · Bristol, TN

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440012

LocationOne Medical Park BlvdBristol, TN 37620 · Sullivan County

Emergency services Birthing friendly

Wellmont Holston Valley Medical Center

Acute Care Hospitals · Kingsport, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440017

Location130 West Ravine RoadKingsport, TN 37662 · Sullivan County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49007 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.

96.6/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

75%666 patients4/55-star benchmark: 85%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

54%720 patients3/55-star benchmark: 90%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

JESSICA A DOUGLASS

Nurse Practitioner (Adult Health)

601 JOHN ST STE M-302
KALAMAZOO, MI 49007

Kalamazoo County (269) 349-2266

KRISTEN MICHELLE BUDDEN

Physician Assistant

601 JOHN ST STE M-302
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-4890

ERIC MARTIN SIELOFF MD

Internal Medicine (Gastroenterology)

601 JOHN ST STE M-302
KALAMAZOO, MI 49007

Kalamazoo County (269) 349-2266

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 Mark Kocab's NPI number?

The NPI number for Mark Kocab is 1942271606. It was assigned to this individual provider in the NPPES registry on January 31, 2006.

Where is Mark Kocab located?

Mark Kocab practices at 601 John St Ste M-302, Kalamazoo, MI 49007. The listed phone number is (269) 349-2266.

What is Mark Kocab's specialty?

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

Is Mark Kocab enrolled in Medicare?

Yes. Mark Kocab 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 Mark Kocab's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kocab reassigns Medicare benefits to 6 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Wellmont Medical Associates, Inc. (Norton, VA), Billings Clinic (Miles City, MT), Premiere Gi PLLC (Lakewood Ranch, FL), Benefis Hospitals, Inc. (Great Falls, MT) and 1 more organization, listed in the Medicare section above. 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 Mark Kocab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Kocab accept?

Health plans from Ambetter Health, Blue Cross and Blue Shield of Montana, Cigna Healthcare, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 6 other insurers list Mark Kocab 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 Mark Kocab affiliated with any hospitals?

According to CMS data, Mark Kocab is affiliated with Kootenai Health, Bronson Methodist Hospital, Wellmont Bristol Regional Medical Center and Wellmont Holston Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Kocab was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.