Dr. Michael J. Deweerd, MD
- Medicare services, 2016
- 19
- Part D claims, 2024
- 6,931
- Hospital affiliations
- 2
- Industry payments
- $177
- Medical groups
- 2
- Practice address
- 230 W Oak Street, Fremont, MI 49412
- Practice phone
- Call (231) 942-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Gerber Hospital Multispecialty Clinic - Fremont
Rural Health Clinic - Hospital-Owned · Fremont, Michigan
Find Dr. Deweerd'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. Michael J. Deweerd is a family medicine physician in Fremont, Michigan
Dr. Deweerd practices at Corewell Health Gerber Hospital Multispecialty Clinic - Fremont in Fremont, Michigan.
Dr. Deweerd's NPI, 1942252440, was assigned on May 16, 2006. Dr. Deweerd graduated from Michigan State University College of Human Medicine in 1998. Dr. Deweerd holds Michigan license 072126.
- NPI
- 1942252440NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991869661
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 942-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael J. Deweerd practices at Corewell Health Gerber Hospital Multispecialty Clinic - Fremont in Fremont, Michigan
Dr. Deweerd's primary practice is Corewell Health Gerber Hospital Multispecialty Clinic - Fremont, at 230 W Oak Street, Fremont, MI 49412. The practice phone is (231) 942-4200.
- Corewell Health Gerber Hospital Multispecialty Clinic - Fremont230 W Oak Street, Fremont, MI 49412Phone(231) 942-4200
Source: Dmand AI Affiliation Data
Dr. Michael J. Deweerd is affiliated with 5 sites of care and 2 medical groups
Dr. Deweerd's primary practice is Corewell Health Gerber Hospital Multispecialty Clinic - Fremont in Fremont, Michigan. Dr. Deweerd is also affiliated with Corewell Health Gerber Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Deweerd to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Deweerd's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael J. Deweerd's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Deweerd practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Gerber Hospital Multispecialty Clinic - Fremont | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael J. Deweerd is one of 4,931 family medicine physicians in Michigan
Family medicine is Dr. Deweerd's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Deweerd is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. Deweerd
Counts of family medicine physicians 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. Michael J. Deweerd billed Medicare for 19 services in 2016
CMS data shows 19 Medicare services from Dr. Deweerd across 1 procedure code in 2016. Medicare paid $116 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Deweerd compared with the Michigan median for family medicine physicians, 2016
- Dr. Deweerd
- Michigan median
- Medicare services
- 19vs 24892% below
- Part D claims
- 6,260vs 1,0336.1 times
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Deweerd's most billed Medicare procedure codes, 2016
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. Michael J. Deweerd's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Deweerd's median patient age at 63, with 42% women.
Dr. Deweerd'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
- Women42%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Michael J. Deweerd wrote 6,931 Medicare Part D claims in 2024
In 2024, Dr. Deweerd wrote 6,931 Medicare Part D claims for 547 patients. 89% of them were for generic drugs. CMS names the drug for 6,260 of them, across 107 drugs with 11 or more claims each, at $565,510 in total drug cost. In 2023, CMS named 6,172 claims across 102 drugs.
Dr. Deweerd's Part D claims by kind of drug, 2024
- Generic6,167 claims89%
- Brand-name728 claims11%
- Other36 claims1%
Dr. Deweerd'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. Deweerd's Part D claims, 2024
- Opioids2%164 of 6,931 claims
- Antibiotics1%50 of 6,931 claims
- Antipsychotics, patients 65 and over0%20 of 6,931 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: 6,1722024: 6,2601%
Drugs named by CMS: 107 in 2024, 102 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
How Dr. Michael J. Deweerd takes part in Medicare
Dr. Deweerd accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael J. Deweerd received $177 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Deweerd from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 82% of the total. Janssen Pharmaceuticals, Inc paid the most, $59.
General payments to Dr. Deweerd by program year, 2016 to 2024
General payments to Dr. Deweerd by kind, 2016 to 2024
- Food and beverage$14582%
- Education$3218%
Companies that paid Dr. Deweerd the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael J. Deweerd graduated from Michigan State University College of Human Medicine
Dr. Deweerd graduated from Michigan State University College of Human Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael J. Deweerd'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 Data |
| 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) |
| 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. Michael J. Deweerd
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. Michael J. Deweerd's NPI number?
Dr. Michael J. Deweerd's NPI number is 1942252440. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael J. Deweerd?
Dr. Michael J. Deweerd is a family medicine physician in Fremont, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Michael J. Deweerd practice?
Dr. Deweerd practices at 230 W Oak Street, Fremont, MI 49412. Dr. Deweerd's primary practice is Corewell Health Gerber Hospital Multispecialty Clinic - Fremont in Fremont, Michigan. Dmand AI also links Dr. Deweerd to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Michael J. Deweerd's office phone number?
The practice phone on file for Dr. Deweerd is (231) 942-4200.
What is Dr. Michael J. Deweerd's medical license number?
Dr. Deweerd holds Michigan license 072126.
Which hospitals is Dr. Michael J. Deweerd affiliated with?
Dr. Deweerd is affiliated with Corewell Health Gerber Hospital. Dmand AI links Dr. Deweerd to 1 more hospital.
What medical group is Dr. Michael J. Deweerd part of?
Dr. Deweerd is linked to Corewell Health Medical Group West. Dmand AI links Dr. Deweerd to 1 more medical group.
Does Dr. Michael J. Deweerd accept Medicare?
Yes. CMS data shows Dr. Deweerd billed Medicare for 19 services in 2016, and Dr. Deweerd accepts Medicare assignment.
What services does Dr. Michael J. Deweerd bill to Medicare?
In 2016, Dr. Deweerd's most billed Medicare services were heart test or procedure (93010).
Where did Dr. Michael J. Deweerd go to medical school?
Dr. Deweerd graduated from Michigan State University College of Human Medicine in 1998.
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What drugs does Dr. Michael J. Deweerd prescribe most?
In 2024 Medicare Part D data, Dr. Deweerd's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Michael J. Deweerd received payments from drug or device companies?
CMS Open Payments shows $177 in general payments to Dr. Deweerd from 5 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Michael J. Deweerd been practicing?
Dr. Deweerd graduated from medical school in 1998, 28 years ago.
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