Garrett Shackleton, M.D.
Colon & Rectal Surgery Physician · Waukee, IA
Garrett Shackleton, M.D. is a colon & rectal surgery physician with a practice address in Waukee, Iowa, and NPI 1295183184, issued on Jun 1, 2016. Check the license (Iowa MD-56398, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Garrett Shackleton
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- MD-56398 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2515 Grand Prairie Pkwy, Waukee, IA 50263
- Phone
- (515) 265-1300
- Enumerated
- Jun 1, 2016
- Record last updated
- Feb 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20220908003380); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 19 in Iowa → Look up another NPI →
Also registered at 2515 Grand Prairie Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devon Foster, DOSurgical Oncology Physician1164942942
- Alyssa Heathman, PAPhysician Assistant1699251157
- Sonya Mack, PA-CPhysician Assistant1386720217
- Samuel Maurice, M.D.Plastic and Reconstructive Surgery Physician1033328109
- Erin Tracy, ARNPNurse Practitioner1992041305
Verify Garrett Shackleton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-56398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
141 Medicare Part D claims for 53 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Oxycodone Hcl26 claims
- Ciprofloxacin Hcl21 claims
- Metronidazole21 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Iowa Physicians Clinic Medical FoundationWaukee, IA
- Poudre Valley Medical Group LLCColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garrett Shackleton among 19 colon & rectal surgery physician records in Iowa
Garrett Shackleton, M.D. is one of 19 colon & rectal surgery physician records with a practice address in Iowa. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 16% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2016 · median 2008 among the 15 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Iowa
There are 19 colon & rectal surgery physician records in Iowa.
All 19 in Iowa → Every provider in Waukee → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Kyle Rogers, MDWest Des Moines, IA 502661518994730
- Paula Beckwith, M.D.Des Moines, IA 503091245224112
- Ohmar Coughlin, M.D.Des Moines, IA 503091578825568
- Molly Gross, M.D.Des Moines, IA 503091386898872
- Daniel Opheim, M.D.Des Moines, IA 503091295821569
- Michael Page, M.D.Des Moines, IA 503091295721223
- Soren Kraemer, MDDes Moines, IA 503141780679787
- Mayin Lin, DODes Moines, IA 503141396185781
Common questions
What is Garrett Shackleton, M.D.'s NPI number?
Garrett Shackleton, M.D.'s National Provider Identifier (NPI) is 1295183184, issued on Jun 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Garrett Shackleton, M.D. located?
The NPPES record lists a practice address at 2515 Grand Prairie Pkwy, Waukee, IA, 50263. Phone: (515) 265-1300. Providers update this record themselves, so call before visiting.
How can I verify Garrett Shackleton, M.D.'s license?
NPPES lists Iowa license number MD-56398, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Garrett Shackleton, M.D. prescribe under Medicare Part D?
In 2024, Garrett Shackleton, M.D. had 141 Medicare Part D claims for 53 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Garrett Shackleton, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.