Mark Kocab, MD
NPI 1942271606 · Gastroenterology Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kocab, MD is a Gastroenterology Physician provider in Kalamazoo, MI (NPI 1942271606).
Provider details
- NPI number
- 1942271606
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 74150 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
990 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 328 | $124 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 129 | $73 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 87 | $109 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 84 | $246 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 67 | $123 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 322 | 108 |
| Pantoprazole Sodium | 280 | 93 |
| Dicyclomine Hcl | 214 | 72 |
| Famotidine | 113 | 44 |
| Lansoprazole | 32 | 14 |
| Hydrocortisone | 32 | 18 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 30 | — |
| Metoclopramide Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$765 across 32 records (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
Additional practice locations (2)
- 1 Medical Park BlvdBristol, TN 37620-7430Phone: (423) 844-1121
- 130 W Ravine RdKingsport, TN 37660-3837Phone: (423) 224-4000
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Mark Kocab's NPI number?
- Mark Kocab's National Provider Identifier (NPI) is 1942271606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kocab's specialty?
- Mark Kocab is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kocab located?
- Mark Kocab's practice location on file with NPPES is 601 John St Ste M-302, Kalamazoo, MI 49007-5357.
- What is Mark Kocab's phone number?
- The practice phone number listed in the NPPES registry for Mark Kocab is (269) 349-2266.
- Does Mark Kocab accept Medicare?
- Mark Kocab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kocab's NPI active?
- Yes — Mark Kocab's NPI (1942271606) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.