Gary Detweiler, PA-C
NPI 1396797924 · Physician Assistant · Sparta, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Detweiler, PA-C is a Physician Assistant provider in Sparta, MI (NPI 1396797924).
Provider details
- NPI number
- 1396797924
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 5601002961 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 164 | 62 |
| Atorvastatin Calcium | 138 | 66 |
| Amlodipine Besylate | 109 | 50 |
| Gabapentin | 105 | 47 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 103 | 36 |
| Lisinopril | 102 | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2009-06-26
Frequently asked questions
- What is Gary Detweiler's NPI number?
- Gary Detweiler's National Provider Identifier (NPI) is 1396797924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Detweiler's specialty?
- Gary Detweiler is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gary Detweiler located?
- Gary Detweiler's practice location on file with NPPES is 475 S State St, Sparta, MI 49345-1549.
- What is Gary Detweiler's phone number?
- The practice phone number listed in the NPPES registry for Gary Detweiler is (616) 685-1300.
- Does Gary Detweiler accept Medicare?
- Gary Detweiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Detweiler's NPI active?
- Yes — Gary Detweiler's NPI (1396797924) is active in the NPPES registry as of the last update on 2009-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.