Eric Weaver, MD
NPI 1023231008 · Family Medicine Physician · Fremont, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Weaver, MD is a Family Medicine Physician provider in Fremont, MI (NPI 1023231008).
Provider details
- NPI number
- 1023231008
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 11012964 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 165 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 537 | 153 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 360 | 54 |
| Levothyroxine Sodium | 337 | 88 |
| Omeprazole | 318 | 88 |
| Amlodipine Besylate | 303 | 84 |
| Losartan Potassium | 277 | 74 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2021-02-19
- Certified
- 2021-02-19
Frequently asked questions
- What is Eric Weaver's NPI number?
- Eric Weaver's National Provider Identifier (NPI) is 1023231008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Weaver's specialty?
- Eric Weaver is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Weaver located?
- Eric Weaver's practice location on file with NPPES is 230 W Oak St, Fremont, MI 49412-1575.
- What is Eric Weaver's phone number?
- The practice phone number listed in the NPPES registry for Eric Weaver is (231) 924-4200.
- Does Eric Weaver accept Medicare?
- Eric Weaver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Weaver's NPI active?
- Yes — Eric Weaver's NPI (1023231008) is active in the NPPES registry as of the last update on 2021-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.