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GARY TIMMERMAN MD
NPI 1326095332
Surgery in Sioux Falls, SD

Active since May 27, 2006PECOS Enrolled
1508 W 22ND ST, STE 101, SIOUX FALLS, SD 57105(605) 328-3840(605) 328-3841 Get Directions Write a Review

NPPES record last updated: March 25, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gary Timmerman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARY TIMMERMAN MD (NPI 1326095332) is an individual surgery provider in Sioux Falls, South Dakota, licensed in South Dakota (2787) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326095332
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameGARY TIMMERMANCredential: MD
Location Address1508 W 22ND ST, STE 101Sioux Falls, SD 57105-1508
Mailing Address1508 W 22nd St, Ste 101Sioux Falls, SD 57105-1508 · (605) 328-3840 · Fax (605) 328-3841
Phone(605) 328-3840
Fax(605) 328-3841
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateMarch 25, 2022
NPPES CertifiedMarch 25, 2022
✔ NPI 1326095332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in SD · 2787✔ Licensed in MN · 41253
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1508 W 22ND ST, Sioux Falls, SD 57105
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan, Security Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gary Timmerman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.21 typical visit price
range $55.52 – $167.23
Typical copayment $21.30 (range $13.88 – $41.80)
Most-billed visit code 99203
Established Patient
$69.20 typical visit price
range $18.08 – $137.08
Typical copayment $17.30 (range $4.52 – $34.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH SORRELL
Nurse Practitioner
1508 W 22ND ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
MRS. JENNIFER ANNE WALLER APRN-CNP
Nurse Practitioner (Family)
1508 W 22ND ST, SUITE 101
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3840
KRISTIN TUREK
Nurse Practitioner
1508 W 22ND ST, STE 101
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3840
CASSANDRA L BONDESEN FNP
Nurse Practitioner (Family)
1508 W 22ND ST, STE 101
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3840
AMANDA KNEIP
Physician Assistant
1508 W 22ND ST, STE 101
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3840
DR. MATTHEW DAVID TSCHETTER M.D.
Surgery
1508 W 22ND ST, STE 101
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3840
DONALD GRAHAM MD
Surgery
1508 W 22ND ST, STE 101
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3840
SYDNEY SHEA KIEWEL APRN
Nurse Practitioner (Neonatal)
1508 W 22ND ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gary Timmerman's NPI number?

The NPI number for Gary Timmerman is 1326095332. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Gary Timmerman located?

Gary Timmerman practices at 1508 W 22nd St Ste 101, Sioux Falls, SD 57105. The listed phone number is (605) 328-3840.

What is Gary Timmerman's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gary Timmerman enrolled in Medicare?

Yes. Gary Timmerman is registered in the Medicare PECOS enrollment system.

What insurance does Gary Timmerman accept?

Health plans from Medica, Sanford Health Plan and Security Health Plan list Gary Timmerman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gary Timmerman was last updated on March 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.