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

Mark R Ranzinger, MD

Individual provider Specialist · NPI 1457339111

Mark R Ranzinger, MD practises General Surgery in Goshen, Indiana. Graduated from Loma Linda University School of Medicine in 1989, 37 years ago. Practices with Adams County Memorial Hospital, a 83-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana and Ohio.

Years since qualifying
37
Trained at
Loma Linda University School of Medicine
Licensed in
IN, OH
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2006 S Main St Ste A
Goshen, IN 46526-5232
Phone: (574) 535-9100
Fax: (574) 535-1020
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 High Park Ave, Goshen, IN 46526-4810 — (574) 364-2888
  • 1355 Mariners Dr, Warsaw, IN 46582-7145 — (574) 535-9100

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 01065294A (IN)
Specialist Taxonomy 174400000X · Licence 01065294 (IN)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 35063795 (OH)

Record details

NPI number1457339111
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2006
Last updated in NPPESAugust 21, 2024
Certification dateAugust 21, 2024

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Adams County Memorial Hospital — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Hernia repair (minimally invasive) 16 times · 84th percentile
Melanoma (skin cancer) excision 26 times · 78th percentile
Removal of tissue 44 times · 77th percentile
Skin biopsy 20 times · 63rd percentile
Upper gastrointestinal (GI) endoscopy for acid reflux 38 times · 59th percentile
Colonoscopy 27 times · 52nd percentile
Hernia repair - groin (open) 1–10 times
Removal of nail tissue 1–10 times
Removal of skin lesions 1–10 times
Removal or shaving of skin growth 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

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 patients222
Services billed 513 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

Travel and Lodging $2,952 10 payments · travel or lodging paid or reimbursed, such as to attend a conference
Food and Beverage $1,032 18 payments · a meal or drink at a meeting or visit, not a fee
Compensation for services other than consulting , including serving as faculty or as a speaker at a venue other than a continuing education program $400 1 payment

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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Adams Memorial Hospital Hospital · Decatur, IN
  • Cameron Health Hospital · Angola, IN
  • Goshen Hospital Hospital · Goshen, IN

Colleagues at Adams County Memorial Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 83 clinicians in the practice; 12 are shown here.

Other providers in Goshen