Botulinum Toxins, Type AHernia, VentralHerniorrhaphy
Dr. Gregory Dane Fritz, MD
NPI1437644655PAC ID6305190737
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 90
- Publications
- 7
- Hospital affiliations
- 1
- Industry payments
- $22,742
- Practice address
- 602 Michigan Ave, Holland, MI 49423
- Practice phone
- Call (616) 392-5141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fritz's professional email, personal email and mobile number
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Dr. Gregory Dane Fritz is a general surgeon in Holland, Michigan
Dr. Fritz practices at Holland Hospital in Holland, Michigan, part of Holland Hospital.
Dr. Fritz's NPI, 1437644655, was assigned on June 29, 2018. Dr. Fritz holds Michigan license 4301508662.
NPI and contact details
- NPI
- 1437644655NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305190737
- NPI enumeration date
- June 29, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 392-5141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Dane Fritz practices at Holland Hospital in Holland, Michigan
Dr. Fritz's primary practice is Holland Hospital, at 602 Michigan Ave, Holland, MI 49423 in Ottawa County. The practice phone is (616) 392-5141.
- Holland Hospital602 Michigan Ave, Holland, MI 49423 · Ottawa CountyPhone(616) 392-5141
Source: Dmand AI Affiliation Data
Dr. Gregory Dane Fritz is affiliated with 4 sites of care and 9 medical groups
Dr. Fritz's primary practice is Holland Hospital in Holland, Michigan, part of Holland Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Fritz to 8 more medical groups and 3 group practices and clinics, each named with a free account.
Corewell Health Medical Group West8 medical groupsNames with a free account3 group practices and clinicsNames with a free account
See all 13 affiliations for Dr. FritzSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Dane Fritz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fritz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holland Hospital | Available with a free account |
| +3 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Dane Fritz is one of 1,095 general surgeons in Michigan
Surgery is Dr. Fritz's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Fritz is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Fritz
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. Gregory Dane Fritz treated 43 Medicare patients in 2024, average age 72
CMS counts 43 Medicare patients who saw Dr. Fritz in 2024. The largest group is 65 to 74, with 21 patients. 72% of them have high blood pressure, and 67% have high cholesterol. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fritz's median patient age at 63, with 44% women.
Medicare patients, 202443
Average age72
Average risk score1.74
Dr. Fritz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fritz's Medicare patients by sex, 2024
- Women2558%
- Men1842%
Chronic conditions among Dr. Fritz's Medicare patients, 2024
- High blood pressure72%
- High cholesterol67%
- Arthritis44%
- Diabetes30%
- Mood disorders30%
- Chronic kidney disease28%
- Anxiety26%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fritz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Dane Fritz wrote 90 Medicare Part D claims in 2024
In 2024, Dr. Fritz wrote 90 Medicare Part D claims for 62 patients. 93% of them were for generic drugs. CMS names the drug for 56 of them, across 3 drugs with 11 or more claims each, at $99 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Part D claims, 202490
Drugs named by CMS3
Total drug cost$99
Part D patients62
Dr. Fritz's Part D claims by kind of drug, 2024
- Generic84 claims93%
- Brand-name and other6 claims7%
Dr. Fritz'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. Fritz's Part D claims, 2024
- Opioids52%47 of 90 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: 242024: 56133%
Drugs named by CMS: 3 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. Gregory Dane Fritz ranks in the 77th percentile for hernia repair (minimally invasive) in Medicare
Dr. Fritz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of hernia repair (minimally invasive) by Dr. Fritz, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Fritz ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
- Colonoscopy
- 41st percentile11 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)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Gregory Dane Fritz has 7 publications on record
Dmand AI links 7 papers to Dr. Fritz, published from 2020 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Hernia, Ventral, Herniorrhaphy and Incisional Hernia. Dr. Fritz has published most often in Am J Surg. Dr. Fritz's most frequent co-authors are Amy L. Banks-Venegoni, MD, Giuseppe Michele Zambito, MD and Jason Michael Aubrey, MD.
Papers7
Years published2020 to 2025
Dr. Fritz's papers by year, 2020 to 2025
Topics Dr. Fritz writes about most
- Hernia, Ventral
- Herniorrhaphy
- Incisional Hernia
- Laparoscopy
Dr. Fritz's most frequent co-authors
- Amy L. Banks-Venegoni, MD4 shared papers
- Giuseppe Michele Zambito, MD4 shared papers
- Jason Michael Aubrey, MD1 shared paper
Recent publications by Dr. Fritz
Bariatric SurgeryGastrectomyLaparoscopy
Deglutition DisordersEsophageal DiseasesMyotomy
COVID-19FundoplicationHernia, Hiatal
Abdominal WallBody Mass IndexHernia, Ventral
See who Dr. Fritz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fritz 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. Gregory Dane Fritz received $22,742 in industry payments from 2021 to 2025
CMS Open Payments shows 73 general payments to Dr. Fritz from 12 drug and device companies from 2021 to 2025. Education make up the largest share, 65% of the total. Intuitive Surgical, Inc. paid the most, $20,431.
General payments to Dr. Fritz by program year, 2021 to 2025
General payments to Dr. Fritz by kind, 2021 to 2025
$22.7Kin total
- Education$14,79565%
- Travel and lodging$4,74921%
- Food and beverage$2,94813%
- Speaker and faculty fees$2501%
Companies that paid Dr. Fritz the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Dane Fritz'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 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) |
| 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. Gregory Dane Fritz
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. Gregory Dane Fritz's NPI number?
Dr. Gregory Dane Fritz's NPI number is 1437644655. It was assigned on June 29, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Dane Fritz?
Dr. Gregory Dane Fritz is a general surgeon in Holland, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gregory Dane Fritz practice?
Dr. Fritz practices at 602 Michigan Ave, Holland, MI 49423. Dr. Fritz's primary practice is Holland Hospital in Holland, Michigan, part of Holland Hospital. Dmand AI also links Dr. Fritz to 8 medical groups and 3 group practices and clinics.
What is Dr. Gregory Dane Fritz's office phone number?
The practice phone on file for Dr. Fritz is (616) 392-5141.
What is Dr. Gregory Dane Fritz's medical license number?
Dr. Fritz holds Michigan license 4301508662.
Which hospitals is Dr. Gregory Dane Fritz affiliated with?
Dr. Fritz practices at Holland Hospital in Holland, Michigan.
What medical group is Dr. Gregory Dane Fritz part of?
Dr. Fritz is linked to Corewell Health Medical Group West. Dmand AI links Dr. Fritz to 8 more medical groups.
Does Dr. Gregory Dane Fritz accept Medicare?
Yes. CMS lists Dr. Fritz as accepting Medicare assignment.
How many Medicare patients does Dr. Gregory Dane Fritz see?
CMS counts 43 Medicare patients who saw Dr. Fritz in 2024, with an average age of 72.
What drugs does Dr. Gregory Dane Fritz prescribe most?
In 2024 Medicare Part D data, Dr. Fritz's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Methocarbamol and Tramadol HCl.
Show 4 more questionsShow fewer questions
Has Dr. Gregory Dane Fritz received payments from drug or device companies?
CMS Open Payments shows $22,742 in general payments to Dr. Fritz from 12 companies from 2021 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gregory Dane Fritz been practicing?
Dr. Fritz graduated from medical school in 2018, 8 years ago.
Does Dr. Gregory Dane Fritz do research?
Dmand AI links 7 publications to Dr. Fritz, published from 2020 to 2025.
Who does Dr. Gregory Dane Fritz publish with?
Dr. Fritz's most frequent co-authors are Amy L. Banks-Venegoni, MD (4 shared papers), Giuseppe Michele Zambito, MD (4 shared papers) and Jason Michael Aubrey, MD (1 shared paper).
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