Mark Andrew Kocab, MD
Gastroenterology Physician · Kalamazoo, MI
Mark Andrew Kocab, MD is a gastroenterology physician with a practice address in Kalamazoo, Michigan, and NPI 1942271606, issued on Jan 31, 2006. Check the license (Michigan 4301512571, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Kocab
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 4301512571 MI
ME0774610 FL
143712 MT
74150 TN
Self-reported in NPPES; status is on the state search - Practice location
- 601 John St Ste M-302, Kalamazoo, MI 49007
- Phone
- (269) 349-2266
- Enumerated
- Jan 31, 2006
- Record last updated
- May 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250502001295); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 550 in Michigan → Look up another NPI →
Also registered at 601 John St Ste M-302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen BuddenPhysician Assistant1699549493
- Jessica DouglassAdult Health Nurse Practitioner1457799009
- Eric Sieloff, MDGastroenterology Physician1831627322
- Victor Velocci, M.D.Gastroenterology Physician1700131505
Verify Mark Andrew Kocab in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301512571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average gastroenterology physician in 2024
1,393 Medicare Part D claims for 394 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Omeprazole322 claims
- Pantoprazole Sodium280 claims
- Dicyclomine Hcl214 claims
- Famotidine113 claims
- Hydrocortisone32 claims
- Lansoprazole32 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $764.89
32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
4 hospitals and group practices
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospitals4 of 5 stars
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
- Kootenai Health IncCoeur D Alene, ID
- Wellmont Medical Associates IncBristol, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark Andrew Kocab among 550 gastroenterology physician records in Michigan
Mark Andrew Kocab, MD is one of 550 gastroenterology physician records with a practice address in Michigan. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1993 · median 2003 among the 415 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Michigan
There are 550 gastroenterology physician records in Michigan.
All 550 in Michigan → Every provider in Kalamazoo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jerrold Falk, M.D.Kalamazoo, MI 490071063469989
- Mark McCormick, M.D.Kalamazoo, MI 490071659358661
- John Quertermus, M.D.Kalamazoo, MI 490071225015209
- Eric Sieloff, MDKalamazoo, MI 490071831627322
- Victor Velocci, M.D.Kalamazoo, MI 490071700131505
- Tooba Tariq, M.D.Battle Creek, MI 490151982054664
- Shahid Aziz, DOPortage, MI 490241588616205
- Allan Barbish, M.D.Portage, MI 490241891743191
Common questions
What is Mark Andrew Kocab, MD's NPI number?
Mark Andrew Kocab, MD's National Provider Identifier (NPI) is 1942271606, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Kocab, MD located?
The NPPES record lists a practice address at 601 John St Ste M-302, Kalamazoo, MI, 49007. Phone: (269) 349-2266. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Kocab, MD's license?
NPPES lists Michigan license number 4301512571, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Andrew Kocab, MD prescribe under Medicare Part D?
In 2024, Mark Andrew Kocab, MD had 1,393 Medicare Part D claims for 394 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mark Andrew Kocab, MD's MIPS final score?
The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.