Gary Timmerman, MD
Surgery Physician · Sioux Falls, SD
Gary Timmerman, MD is a surgery physician with a practice address in Sioux Falls, South Dakota, and NPI 1326095332, issued on May 27, 2006. Check the license (South Dakota 2787, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Gary Timmerman
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 2787 SD
41253 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1508 W 22ND St, Sioux Falls, SD 57105
- Phone
- (605) 328-3840
- Enumerated
- May 27, 2006
- Record last updated
- Mar 25, 2022
- Fax
- (605) 328-3841
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 114 in South Dakota → Look up another NPI →
Also registered at 1508 W 22ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cassandra Bondesen, FNPFamily Nurse Practitioner1427334341
- Donald Graham, MDSurgery Physician1730136656
- Sydney Kiewel, APRNNeonatal Nurse Practitioner1881353001
- Amanda KneipPhysician Assistant1508280587
- Matthew Sorrell, MDSurgery Physician1972577757
- Sarah SorrellNurse Practitioner1245528900
Verify Gary Timmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 2787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $42.30
2 payments; by number, the most common kind was food and beverage; the largest payer was Tela Bio, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Gary Timmerman among 114 surgery physician records in South Dakota
Gary Timmerman, MD is one of 114 surgery physician records with a practice address in South Dakota. 69% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 42% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in South Dakota
There are 114 surgery physician records in South Dakota.
All 114 in South Dakota → Every provider in Sioux Falls → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Robert Dahl, MDSioux Falls, SD 571051750332110
- Wade Dosch, M.D.Sioux Falls, SD 571051578508784
- Thomas Fullerton, M.D.Sioux Falls, SD 571051669417242
- Dennis Glatt, MDSioux Falls, SD 571051063468130
- Donald Graham, MDSioux Falls, SD 571051730136656
- Peter O'Brien, MDSioux Falls, SD 571051407803331
- Juliann Reiland, MD FACSSioux Falls, SD 571051700833712
- John Ryan, MDSioux Falls, SD 571051265438162
Common questions
What is Gary Timmerman, MD's NPI number?
Gary Timmerman, MD's National Provider Identifier (NPI) is 1326095332, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Timmerman, MD located?
The NPPES record lists a practice address at 1508 W 22ND St, Sioux Falls, SD, 57105. Phone: (605) 328-3840. Providers update this record themselves, so call before visiting.
How can I verify Gary Timmerman, MD's license?
NPPES lists South Dakota license number 2787, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.