Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Christopher David Greve

Individual provider Anesthesiology Physician · NPI 1770874216

Christopher David Greve practises Anesthesiology in Kalamazoo, Michigan. Graduated from Michigan State University College of Human Medicine in 2011, 15 years ago. Practices with Connecticut Gi PLLC, a 245-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2011
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Practice location Address checks out

900 Peeler St
Kalamazoo, MI 49008-2300 Not confirmed with CMS for 10 years — call before visiting
Phone: (269) 345-8618
Fax: (269) 345-1508
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 4301106843 (MI)

Record details

NPI number1770874216
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 2, 2011
Last updated in NPPESApril 11, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2011 (15 years in practice)
Group practice Connecticut Gi Pllc — 245 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients488
Services billed 492 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $140 6 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Connecticut Gi PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 245 clinicians in the practice; 12 are shown here.

Other providers in Kalamazoo