Dr. Matthew P. Chadwick, DO
- Medicare services, 2024
- 185
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 703
- Publications
- 2
- MIPS score, 2024
- 90
- Practice address
- 1700 Clinton Street, Muskegon, MI 49443
- Practice phone
- Call (231) 728-4007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hackley Hospital - Unit
Acute Care Hospital-Unit · Muskegon, Michigan
Find Dr. Chadwick's professional email, personal email and mobile number
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Dr. Matthew P. Chadwick is a gastroenterologist in Muskegon, Michigan
Dr. Chadwick practices at Hackley Hospital - Unit in Muskegon, Michigan.
Dr. Chadwick's NPI, 1285081067, was assigned on May 20, 2016. Dr. Chadwick graduated from Michigan State University College of Osteopathic Medicine in 2016. Dr. Chadwick holds Michigan license 5101022335.
- NPI
- 1285081067NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335436187
- NPI enumeration date
- May 20, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 728-4007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew P. Chadwick practices at Hackley Hospital - Unit in Muskegon, Michigan
Dr. Chadwick's primary practice is Hackley Hospital - Unit, at 1700 Clinton Street, Muskegon, MI 49443 in Muskegon County. The practice phone is (231) 728-4007.
- Hackley Hospital - Unit1700 Clinton Street, Muskegon, MI 49443 · Muskegon CountyPhone(231) 728-4007
Source: Dmand AI Affiliation Data
Dr. Matthew P. Chadwick is affiliated with 5 sites of care and 4 medical groups
Dr. Chadwick's primary practice is Hackley Hospital - Unit in Muskegon, Michigan. Dr. Chadwick is also affiliated with Trinity Health Muskegon Hospital. The medical group on file is Trinity Health Medical Group, Gastroenterology - Muskegon. Dmand AI also links Dr. Chadwick to 2 more hospitals, 3 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew P. Chadwick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chadwick practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hackley Hospital - Unit | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew P. Chadwick is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Chadwick's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chadwick is licensed in Michigan.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
Gastroenterologists near Dr. Chadwick
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. Matthew P. Chadwick billed Medicare for 185 services in 2024
CMS data shows 185 Medicare services from Dr. Chadwick across 6 procedure codes in 2024, for 160 Medicare patients. Medicare paid $19,073 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chadwick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1522024: 11822%
- Office and hospital visits
- 2023: 882024: 5636%
- Other services
- 2023: 02024: 11
Dr. Chadwick compared with the Michigan median for gastroenterologists, 2024
- Dr. Chadwick
- Michigan median
- Medicare services
- 185vs 32443% below
- Medicare patients
- 160vs 23030% below
- Part D claims
- 588vs 42439% above
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Chadwick'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew P. Chadwick treated 160 Medicare patients in 2024, average age 70
CMS counts 160 Medicare patients who saw Dr. Chadwick in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.94, 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. Chadwick's median patient age at 60, with 47% women.
Dr. Chadwick's Medicare patients by age, 2024
Dr. Chadwick's Medicare patients by sex, 2024
- Women7044%
- Men9056%
Chronic conditions among Dr. Chadwick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Anxiety38%
- Diabetes38%
- Mood disorders37%
- Chronic kidney disease33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chadwick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew P. Chadwick wrote 703 Medicare Part D claims in 2024
In 2024, Dr. Chadwick wrote 703 Medicare Part D claims for 398 patients. 66% of them were for generic drugs. CMS names the drug for 588 of them, across 12 drugs with 11 or more claims each, at $56,912 in total drug cost. In 2023, CMS named 564 claims across 5 drugs.
Dr. Chadwick's Part D claims by kind of drug, 2024
- Generic465 claims66%
- Brand-name238 claims34%
Dr. Chadwick'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. Chadwick's Part D claims, 2024
- Antibiotics2%16 of 703 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: 5642024: 5884%
Drugs named by CMS: 12 in 2024, 5 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. Matthew P. Chadwick scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Chadwick for performance year 2024, reported as part of a group. Dr. Chadwick accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 115 procedures of colonoscopy by Dr. Chadwick, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chadwick's MIPS scores, performance year 2024
- 90of 100Final score
- 85.5of 100Quality
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chadwick ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 82nd percentile130 procedures
- Colonoscopy
- 83rd percentile115 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. Matthew P. Chadwick has 2 publications on record
Dmand AI links 2 papers to Dr. Chadwick, published from 2018 to 2020. Dr. Chadwick's most frequent co-authors are Leonid Mironovich Shamban, DO and John M. Macksood, DO.
Dr. Chadwick's most frequent co-authors
Recent publications by Dr. Chadwick
Case Rep Gastrointest Med
See who Dr. Chadwick researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chadwick works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew P. Chadwick received $1,968 in industry payments from 2017 to 2025
CMS Open Payments shows 35 general payments to Dr. Chadwick from 16 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $425.
General payments to Dr. Chadwick by program year, 2017 to 2025
Companies that paid Dr. Chadwick the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew P. Chadwick graduated from Michigan State University College of Osteopathic Medicine
Dr. Chadwick graduated from Michigan State University College of Osteopathic Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew P. Chadwick'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 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) |
| 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. Matthew P. Chadwick
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. Matthew P. Chadwick's NPI number?
Dr. Matthew P. Chadwick's NPI number is 1285081067. It was assigned on May 20, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew P. Chadwick?
Dr. Matthew P. Chadwick is a gastroenterologist in Muskegon, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Matthew P. Chadwick practice?
Dr. Chadwick practices at 1700 Clinton Street, Muskegon, MI 49443. Dr. Chadwick's primary practice is Hackley Hospital - Unit in Muskegon, Michigan. Dmand AI also links Dr. Chadwick to 2 hospitals, 3 medical groups and 1 group practice or clinic.
What is Dr. Matthew P. Chadwick's office phone number?
The practice phone on file for Dr. Chadwick is (231) 728-4007.
What is Dr. Matthew P. Chadwick's medical license number?
Dr. Chadwick holds Michigan license 5101022335.
Which hospitals is Dr. Matthew P. Chadwick affiliated with?
Dr. Chadwick is affiliated with Trinity Health Muskegon Hospital. Dmand AI links Dr. Chadwick to 3 more hospitals.
What medical group is Dr. Matthew P. Chadwick part of?
Dr. Chadwick is linked to Trinity Health Medical Group, Gastroenterology - Muskegon. Dmand AI links Dr. Chadwick to 3 more medical groups.
Does Dr. Matthew P. Chadwick accept Medicare?
Yes. CMS data shows Dr. Chadwick billed Medicare for 185 services in 2024, and Dr. Chadwick accepts Medicare assignment.
What is Dr. Matthew P. Chadwick's MIPS score?
Dr. Chadwick's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Matthew P. Chadwick see?
CMS counts 160 Medicare patients who saw Dr. Chadwick in 2024, with an average age of 70.
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What services does Dr. Matthew P. Chadwick bill to Medicare?
In 2024, Dr. Chadwick's most billed Medicare services were surgery: digestive system (43239), surgery: digestive system (45385) and hospital inpatient care (99232).
Where did Dr. Matthew P. Chadwick go to medical school?
Dr. Chadwick graduated from Michigan State University College of Osteopathic Medicine in 2016.
What drugs does Dr. Matthew P. Chadwick prescribe most?
In 2024 Medicare Part D data, Dr. Chadwick's most prescribed drugs by claims were Peg 3350-Electrolyte, Omeprazole and Pantoprazole Sodium.
Has Dr. Matthew P. Chadwick received payments from drug or device companies?
CMS Open Payments shows $1,968 in general payments to Dr. Chadwick from 16 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Matthew P. Chadwick been practicing?
Dr. Chadwick graduated from medical school in 2016, 10 years ago.
Does Dr. Matthew P. Chadwick do research?
Dmand AI links 2 publications to Dr. Chadwick, published from 2018 to 2020.
Who does Dr. Matthew P. Chadwick publish with?
Dr. Chadwick's most frequent co-authors are Leonid Mironovich Shamban, DO (2 shared papers) and John M. Macksood, DO (1 shared paper).
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