Dr. Mark R. Ranzinger, MD
- Medicare services, 2024
- 220
- Medicare patients, 2024
- 222
- Part D claims, 2024
- 187
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 200 High Park Ave, Goshen, IN 46526
- Practice phone
- Call (574) 364-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ranzinger's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark R. Ranzinger is a general surgeon in Goshen, Indiana
Dr. Ranzinger practices at Goshen Hospital in Goshen, Indiana, part of Parkview Health System.
Dr. Ranzinger's NPI, 1457339111, was assigned on January 4, 2006. Dr. Ranzinger graduated from Loma Linda University School of Medicine in 1989. Dr. Ranzinger holds Indiana license 01065294A.
- NPI
- 1457339111NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911960380
- NPI enumeration date
- January 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 364-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark R. Ranzinger practices at Goshen Hospital in Goshen, Indiana
Dr. Ranzinger's primary practice is Goshen Hospital, at 200 High Park Ave, Goshen, IN 46526 in Elkhart County. The practice phone is (574) 364-1000.
- Goshen Hospital200 High Park Ave, Goshen, IN 46526 · Elkhart CountyPhone(574) 364-1000
Source: Dmand AI Affiliation Data
Dr. Mark R. Ranzinger is affiliated with 7 sites of care and 7 medical groups
Dr. Ranzinger's primary practice is Goshen Hospital in Goshen, Indiana, part of Parkview Health System. Dr. Ranzinger is also affiliated with Cameron Health. The medical group on file is Gerig Surgical Associates. Dmand AI also links Dr. Ranzinger to 1 more hospital, 6 medical groups, 3 group practices and clinics and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark R. Ranzinger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ranzinger practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Goshen Hospital | Available with a free account |
| +6 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark R. Ranzinger is one of 530 general surgeons in Indiana
Surgery is Dr. Ranzinger's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Ranzinger's licenses on file in 2 states: Indiana and Ohio.
Specialties and state licenses
- Surgery, IndianaPrimary
- Emergency medicine, Ohio
General surgeons near Dr. Ranzinger
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark R. Ranzinger billed Medicare for 220 services in 2024
CMS data shows 220 Medicare services from Dr. Ranzinger across 6 procedure codes in 2024, for 222 Medicare patients. Medicare paid $14,264 for them.
Dr. Ranzinger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2662024: 22017%
Where Dr. Ranzinger's Medicare services took place, 2024
- In an office9342%
- In a facility12758%
Dr. Ranzinger compared with the Indiana median for general surgeons, 2024
- Dr. Ranzinger
- Indiana median
- Medicare services
- 220vs 15641% above
- Medicare patients
- 222vs 13169% above
- Part D claims
- 97vs 402.4 times
Medians across 526 general surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Ranzinger's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ranzinger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ranzinger and other general surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark R. Ranzinger treated 222 Medicare patients in 2024, average age 75
CMS counts 222 Medicare patients who saw Dr. Ranzinger in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ranzinger's median patient age at 67, with 49% women.
Dr. Ranzinger's Medicare patients by age, 2024
Dr. Ranzinger's Medicare patients by sex, 2024
- Women10949%
- Men11351%
Chronic conditions among Dr. Ranzinger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease37%
- Mood disorders29%
- Depression28%
- Chronic kidney disease27%
- Diabetes27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ranzinger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark R. Ranzinger wrote 187 Medicare Part D claims in 2024
In 2024, Dr. Ranzinger wrote 187 Medicare Part D claims for 93 patients. 90% of them were for generic drugs. CMS names the drug for 97 of them, across 6 drugs with 11 or more claims each, at $776 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.
Dr. Ranzinger's Part D claims by kind of drug, 2024
- Generic169 claims90%
- Brand-name and other18 claims10%
Dr. Ranzinger's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ranzinger's Part D claims, 2024
- Opioids26%48 of 187 claims
- Antibiotics22%41 of 187 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 322024: 97203%
Drugs named by CMS: 6 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark R. Ranzinger ranks in the 78th percentile for melanoma (skin cancer) excision in Medicare
Dr. Ranzinger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 25 procedures of melanoma (skin cancer) excision by Dr. Ranzinger, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ranzinger ranks in Medicare procedure volume
- Removal of tissue
- 75th percentile36 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 56th percentile31 procedures
- Melanoma (skin cancer) excision
- 78th percentile25 procedures
- Colonoscopy
- 50th percentile24 procedures
- Skin biopsy
- 62nd percentile16 procedures
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark R. Ranzinger has 1 publication on record
Dmand AI links 1 paper to Dr. Ranzinger in 2023. Dr. Ranzinger's most frequent co-author is Urs W. Von Holzen, MD.
Dr. Ranzinger's most frequent co-authors
Recent publications by Dr. Ranzinger
See who Dr. Ranzinger researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ranzinger works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark R. Ranzinger received $20,766 in industry payments from 2016 to 2025
CMS Open Payments shows 141 general payments to Dr. Ranzinger from 19 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 49% of the total. Intuitive Surgical, Inc. paid the most, $8,080.
General payments to Dr. Ranzinger by program year, 2016 to 2025
General payments to Dr. Ranzinger by kind, 2016 to 2025
- Travel and lodging$10,07849%
- Education$6,49831%
- Food and beverage$3,79018%
- Speaker and faculty fees$4002%
Companies that paid Dr. Ranzinger the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark R. Ranzinger graduated from Loma Linda University School of Medicine
Dr. Ranzinger graduated from Loma Linda University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark R. Ranzinger's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark R. Ranzinger
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark R. Ranzinger's NPI number?
Dr. Mark R. Ranzinger's NPI number is 1457339111. It was assigned on January 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark R. Ranzinger?
Dr. Mark R. Ranzinger is a general surgeon in Goshen, Indiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark R. Ranzinger practice?
Dr. Ranzinger practices at 200 High Park Ave, Goshen, IN 46526. Dr. Ranzinger's primary practice is Goshen Hospital in Goshen, Indiana, part of Parkview Health System. Dmand AI also links Dr. Ranzinger to 1 hospital, 6 medical groups, 3 group practices and clinics and 1 rural health clinic.
What is Dr. Mark R. Ranzinger's office phone number?
The practice phone on file for Dr. Ranzinger is (574) 364-1000.
What is Dr. Mark R. Ranzinger's medical license number?
Dr. Ranzinger holds Indiana license 01065294A, one of the licenses on file in 2 states.
Which states has Dr. Mark R. Ranzinger been licensed in?
Dmand AI has state licenses on file for Dr. Ranzinger in Indiana and Ohio.
Which hospitals is Dr. Mark R. Ranzinger affiliated with?
Dr. Ranzinger practices at Goshen Hospital in Goshen, Indiana. Dr. Ranzinger is also affiliated with Cameron Health. Dmand AI links Dr. Ranzinger to 1 more hospital.
What medical group is Dr. Mark R. Ranzinger part of?
Dr. Ranzinger is linked to Gerig Surgical Associates. Dmand AI links Dr. Ranzinger to 6 more medical groups.
Does Dr. Mark R. Ranzinger accept Medicare?
Yes. CMS data shows Dr. Ranzinger billed Medicare for 220 services in 2024, and Dr. Ranzinger accepts Medicare assignment.
How many Medicare patients does Dr. Mark R. Ranzinger see?
CMS counts 222 Medicare patients who saw Dr. Ranzinger in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Mark R. Ranzinger bill to Medicare?
In 2024, Dr. Ranzinger's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. Mark R. Ranzinger go to medical school?
Dr. Ranzinger graduated from Loma Linda University School of Medicine in 1989.
What drugs does Dr. Mark R. Ranzinger prescribe most?
In 2024 Medicare Part D data, Dr. Ranzinger's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Omeprazole.
Has Dr. Mark R. Ranzinger received payments from drug or device companies?
CMS Open Payments shows $20,766 in general payments to Dr. Ranzinger from 19 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark R. Ranzinger been practicing?
Dr. Ranzinger graduated from medical school in 1989, 37 years ago.
Does Dr. Mark R. Ranzinger do research?
Dmand AI links 1 publication to Dr. Ranzinger.
Who does Dr. Mark R. Ranzinger publish with?
Dr. Ranzinger's most frequent co-authors are Urs W. Von Holzen, MD (1 shared paper).
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