James Chiavaras, D.O.
NPI 1972576783 · Emergency Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chiavaras, D.O. is a Emergency Medicine Physician provider in Grand Rapids, MI (NPI 1972576783).
Provider details
- NPI number
- 1972576783
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- JC012452 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 182 | 182 |
| Hepatitis a and B Vaccine/Pfbrand: Twinrix | 179 | 109 |
| Atorvastatin Calcium | 176 | 33 |
| Levothyroxine Sodium | 133 | 16 |
| Gabapentin | 122 | 25 |
| Duloxetine Hcl | 112 | 17 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-10
- Last updated
- 2009-08-31
Frequently asked questions
- What is James Chiavaras's NPI number?
- James Chiavaras's National Provider Identifier (NPI) is 1972576783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chiavaras's specialty?
- James Chiavaras is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Chiavaras located?
- James Chiavaras's practice location on file with NPPES is 5900 Byron Center Sw, Grand Rapids, MI 49519.
- What is James Chiavaras's phone number?
- The practice phone number listed in the NPPES registry for James Chiavaras is (616) 252-7123.
- Does James Chiavaras accept Medicare?
- James Chiavaras is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chiavaras's NPI active?
- Yes — James Chiavaras's NPI (1972576783) is active in the NPPES registry as of the last update on 2009-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.