Gary Detweiler, PA-C
Physician Assistant · Sparta, MI
Gary Detweiler, PA-C is a physician assistant with a practice address in Sparta, Michigan, and NPI 1396797924, issued on May 16, 2006. Check the license (Michigan 5601002961, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary Detweiler
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601002961 MI
Self-reported in NPPES; status is on the state search - Practice location
- 475 S State St, Sparta, MI 49345
- Phone
- (616) 685-1300
- Enumerated
- May 16, 2006
- Record last updated
- Jun 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (616) 887-5989
- Medicare enrollment
- Enrolled (PECOS I20240327002605); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 475 S State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miriam Esquivel, RNRegistered Nurse1316766074
- Laura Hickman, MSWClinical Social Worker1881116457
- Cynthia Jaimes, CHWCommunity Health Worker1811764350
- John Schneider, MDFamily Medicine Physician1588689210
- Laura Steele, MDFamily Medicine Physician1295476281
- Jarrad Utter, M.D.Family Medicine Physician1942614185
Verify Gary Detweiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601002961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average physician assistant in 2024
3,975 Medicare Part D claims for 592 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 193 claims were for opioids.
Most prescribed
- Levothyroxine Sodium164 claims
- Atorvastatin Calcium138 claims
- Amlodipine Besylate109 claims
- Gabapentin105 claims
- Hydrocodone-Acetaminophen103 claims
- Lisinopril102 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.
Bills Medicare through one group practice
- Presbyterian Healthcare ServicesSocorro, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Detweiler among 6,989 physician assistant records in Michigan
Gary Detweiler, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1998 · median 2017 among the 4,739 with a school on file
- Record last updated2009 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 physician assistant records list a practice address in Sparta
They are 8 of the 90 NPPES records with a practice address in Sparta, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Sparta → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- David Bouwkamp, PA-CSparta, MI 493451982689733
- Julie Jolliffe, PA-CSparta, MI 493451477964799
- Rebecca Knauf, PA-CSparta, MI 493451376017525
- Kerri Pierce, PA-CSparta, MI 493451699163196
- Jenna Salvati, PA-CSparta, MI 493451861896250
- Julie VerduscoSparta, MI 493451447611082
- Amy Werling, PASparta, MI 493451356555726
- Michelle Godfrey, PA-CCanadian Lakes, MI 493461881620359
Common questions
What is Gary Detweiler, PA-C's NPI number?
Gary Detweiler, PA-C's National Provider Identifier (NPI) is 1396797924, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Detweiler, PA-C located?
The NPPES record lists a practice address at 475 S State St, Sparta, MI, 49345. Phone: (616) 685-1300. Providers update this record themselves, so call before visiting.
How can I verify Gary Detweiler, PA-C's license?
NPPES lists Michigan license number 5601002961, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Gary Detweiler, PA-C prescribe under Medicare Part D?
In 2024, Gary Detweiler, PA-C had 3,975 Medicare Part D claims for 592 beneficiaries; the average among physician assistant prescribers was 830. 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.