Eric R. Weaver, MD
Family Medicine Physician · Fremont, MI
Eric R. Weaver, MD is a family medicine physician with a practice address in Fremont, Michigan, and NPI 1023231008, issued on Apr 10, 2007. Check the license (Michigan 4301093211, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Eric R. Weaver
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 4301093211 MI
11012964 IN
Self-reported in NPPES; status is on the state search - Practice location
- 230 W Oak St, Fremont, MI 49412
- Phone
- (231) 924-4200
- Enumerated
- Apr 10, 2007
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081105000564); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 230 W Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caylee Bont, PA-CPhysician Assistant1942639844
- Richard Boss, M.D.Family Medicine Physician1366492852
- Rebecca Bruins, PAPhysician Assistant1477320919
- Stacey Butch, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1487178786
- Chad CarpenterPharmacist1487067625
- Randall Ceton, M.D.Family Medicine Physician1801846316
Verify Eric R. Weaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301093211Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family medicine physician in 2024
9,672 Medicare Part D claims for 615 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 732 claims were for opioids.
Most prescribed
- Atorvastatin Calcium537 claims
- Hydrocodone-Acetaminophen360 claims
- Levothyroxine Sodium337 claims
- Omeprazole318 claims
- Amlodipine Besylate303 claims
- Losartan Potassium277 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $22.11
1 payment: food and beverage; the largest payer was Heartflow, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Newaygo County General Hospital AssociationFremont, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric R. Weaver among 6,013 family medicine physician records in Michigan
Eric R. Weaver, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2005 · median 2008 among the 3,493 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Fremont
They are 13 of the 216 NPPES records with a practice address in Fremont, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Fremont → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Boss, M.D.Fremont, MI 494121366492852
- Randall Ceton, M.D.Fremont, MI 494121801846316
- Robert Clouse, M.D.Fremont, MI 494121275585747
- Carol Deweerd, M.D.Fremont, MI 494121285685461
- Michael Deweerd, M.D.Fremont, MI 494121942252440
- Christopher Hudson, M.D.Fremont, MI 494121568414860
- Jordan Jones, MDFremont, MI 494121386221000
- Donald Reinders, M.D.Fremont, MI 494121083665707
Common questions
What is Eric R. Weaver, MD's NPI number?
Eric R. Weaver, MD's National Provider Identifier (NPI) is 1023231008, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Eric R. Weaver, MD located?
The NPPES record lists a practice address at 230 W Oak St, Fremont, MI, 49412. Phone: (231) 924-4200. Providers update this record themselves, so call before visiting.
How can I verify Eric R. Weaver, MD's license?
NPPES lists Michigan license number 4301093211, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric R. Weaver, MD prescribe under Medicare Part D?
In 2024, Eric R. Weaver, MD had 9,672 Medicare Part D claims for 615 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.