Dr. Marc S. Herschfus, MD
- Medicare services, 2024
- 352
- Medicare patients, 2024
- 261
- Part D claims, 2024
- 147
- MIPS score, 2024
- 84
- Hospital affiliations
- 4
- Practice address
- 5450 Fort Street, Trenton, MI 48183
- Practice phone
- Call (734) 671-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herschfus' professional email, personal email and mobile number
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Dr. Marc S. Herschfus is a gastroenterologist in Trenton, Michigan
Dr. Herschfus practices at Corewell Health Trenton Hospital in Trenton, Michigan, part of Corewell Health.
Dr. Herschfus' NPI, 1285707513, was assigned on November 16, 2006. Dr. Herschfus graduated from Wayne State University School of Medicine in 1991. Dr. Herschfus holds Michigan license 4301058519.
- NPI
- 1285707513NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335119767
- NPI enumeration date
- November 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 671-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc S. Herschfus practices at Corewell Health Trenton Hospital in Trenton, Michigan
Dr. Herschfus' primary practice is Corewell Health Trenton Hospital, at 5450 Fort Street, Trenton, MI 48183 in Wayne County. The practice phone is (734) 671-3800.
- Corewell Health Trenton Hospital5450 Fort Street, Trenton, MI 48183 · Wayne CountyPhone(734) 671-3800
Source: Dmand AI Affiliation Data
Dr. Marc S. Herschfus is affiliated with 6 sites of care and 2 medical groups
Dr. Herschfus' primary practice is Corewell Health Trenton Hospital in Trenton, Michigan, part of Corewell Health. Dr. Herschfus is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Beaumont Medical Group - Specialty Services. Dmand AI also links Dr. Herschfus to 2 more hospitals, 2 group practices and clinics and 1 medical group, 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. Marc S. Herschfus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herschfus practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Trenton Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc S. Herschfus is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Herschfus' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Herschfus is licensed in Michigan.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
Gastroenterologists near Dr. Herschfus
Counts of gastroenterologists 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. Marc S. Herschfus billed Medicare for 352 services in 2024
CMS data shows 352 Medicare services from Dr. Herschfus across 9 procedure codes in 2024, for 261 Medicare patients. Medicare paid $34,500 for them.
Dr. Herschfus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3012024: 25615%
- Surgery
- 2023: 882024: 969%
Where Dr. Herschfus' Medicare services took place, 2024
- In an office10028%
- In a facility25272%
Dr. Herschfus compared with the Michigan median for gastroenterologists, 2024
- Dr. Herschfus
- Michigan median
- Medicare services
- 352vs 3249% above
- Medicare patients
- 261vs 23013% above
- Part D claims
- 59vs 42486% below
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Herschfus' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herschfus and other gastroenterologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc S. Herschfus treated 261 Medicare patients in 2024, average age 74
CMS counts 261 Medicare patients who saw Dr. Herschfus in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.25, 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. Herschfus' median patient age at 58, with 59% women.
Dr. Herschfus' Medicare patients by age, 2024
Dr. Herschfus' Medicare patients by sex, 2024
- Women15559%
- Men10641%
Chronic conditions among Dr. Herschfus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease51%
- Chronic kidney disease47%
- Diabetes46%
- Heart failure46%
- Anxiety45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herschfus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc S. Herschfus wrote 147 Medicare Part D claims in 2024
In 2024, Dr. Herschfus wrote 147 Medicare Part D claims for 57 patients. 86% of them were for generic drugs. CMS names the drug for 59 of them, across 3 drugs with 11 or more claims each, at $3,559 in total drug cost. In 2023, CMS named 71 claims across 4 drugs.
Dr. Herschfus' Part D claims by kind of drug, 2024
- Generic126 claims86%
- Brand-name21 claims14%
Dr. Herschfus' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 712024: 5917%
Drugs named by CMS: 3 in 2024, 4 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. Marc S. Herschfus scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Herschfus for performance year 2024, reported as part of a group. Dr. Herschfus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 65 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Herschfus, more than 68% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Herschfus' MIPS scores, performance year 2024
- 84of 100Final score
- 66.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Herschfus ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 68th percentile65 procedures
- Colonoscopy
- 62nd percentile47 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marc S. Herschfus received $2,519 in industry payments from 2023 to 2025
CMS Open Payments shows 27 general payments to Dr. Herschfus from 12 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $397.
General payments to Dr. Herschfus by program year, 2023 to 2025
Companies that paid Dr. Herschfus the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc S. Herschfus graduated from Wayne State University School of Medicine
Dr. Herschfus graduated from Wayne State University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc S. Herschfus'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Marc S. Herschfus
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. Marc S. Herschfus' NPI number?
Dr. Marc S. Herschfus' NPI number is 1285707513. It was assigned on November 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc S. Herschfus?
Dr. Marc S. Herschfus is a gastroenterologist in Trenton, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Marc S. Herschfus practice?
Dr. Herschfus practices at 5450 Fort Street, Trenton, MI 48183. Dr. Herschfus' primary practice is Corewell Health Trenton Hospital in Trenton, Michigan, part of Corewell Health. Dmand AI also links Dr. Herschfus to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Marc S. Herschfus' office phone number?
The practice phone on file for Dr. Herschfus is (734) 671-3800.
What is Dr. Marc S. Herschfus' medical license number?
Dr. Herschfus holds Michigan license 4301058519.
Which hospitals is Dr. Marc S. Herschfus affiliated with?
Dr. Herschfus practices at Corewell Health Trenton Hospital in Trenton, Michigan. Dr. Herschfus is also affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Herschfus to 2 more hospitals.
What medical group is Dr. Marc S. Herschfus part of?
Dr. Herschfus is linked to Beaumont Medical Group - Specialty Services. Dmand AI links Dr. Herschfus to 1 more medical group.
Does Dr. Marc S. Herschfus accept Medicare?
Yes. CMS data shows Dr. Herschfus billed Medicare for 352 services in 2024, and Dr. Herschfus accepts Medicare assignment.
What is Dr. Marc S. Herschfus' MIPS score?
Dr. Herschfus' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Marc S. Herschfus see?
CMS counts 261 Medicare patients who saw Dr. Herschfus in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Marc S. Herschfus bill to Medicare?
In 2024, Dr. Herschfus' most billed Medicare services were hospital inpatient care (99222), surgery: digestive system (43239) and office visit, new patient (99204).
Where did Dr. Marc S. Herschfus go to medical school?
Dr. Herschfus graduated from Wayne State University School of Medicine in 1991.
What drugs does Dr. Marc S. Herschfus prescribe most?
In 2024 Medicare Part D data, Dr. Herschfus' most prescribed drugs by claims were Cholestyramine, Omeprazole and Pantoprazole Sodium.
Has Dr. Marc S. Herschfus received payments from drug or device companies?
CMS Open Payments shows $2,519 in general payments to Dr. Herschfus from 12 companies from 2023 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Marc S. Herschfus been practicing?
Dr. Herschfus graduated from medical school in 1991, 35 years ago.
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