GARRETT SHACKLETON M.D.
NPI 1295183184
Colon & Rectal Surgery in Waukee, IA

Active since June 01, 2016PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
2515 GRAND PRAIRIE PKWY, WAUKEE, IA 50263(515) 265-1300 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 3, 2026, Aug 19, 2022 (2 updates tracked since 2022).

About Garrett Shackleton M.d. NPPES

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

GARRETT SHACKLETON M.D. (NPI 1295183184) is an individual colon & rectal surgery provider in Waukee, Iowa, licensed in Iowa (MD-56398) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Des Moines Iowa Methodist Medi, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1295183184
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameGARRETT SHACKLETONCredential: M.D.
Location Address2515 GRAND PRAIRIE PKWYWaukee, IA 50263-8979
Mailing Address2515 Grand Prairie PkwyWaukee, IA 50263-8979
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 1, 2016
Last NPPES UpdateFebruary 3, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
NPI 1295183184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License Licensed in IA · MD-56398
Definition

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Also ListedSurgeryTaxonomy 208600000X · License MD-56398 (IA)
2515 GRAND PRAIRIE PKWY, Waukee, IA 50263

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Garrett Shackleton M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608160411
PECOS Enrollment IDI20220908003380, I20260227003095
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services27 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
29 services23 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
24 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unitypoint Health - Des Moines Iowa Methodist Medi

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160082
Location1200 Pleasant StreetDes Moines, IA 50309 · Polk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50263 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 5

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

Surgery (Plastic and Reconstructive Surgery)
2515 GRAND PRAIRIE PKWY
WAUKEE, IA 50263
Physician Assistant
2515 GRAND PRAIRIE PKWY
WAUKEE, IA 50263
Physician Assistant
2515 GRAND PRAIRIE PKWY
WAUKEE, IA 50263
Nurse Practitioner
2515 GRAND PRAIRIE PKWY
WAUKEE, IA 50263
Surgery (Surgical Oncology)
2515 GRAND PRAIRIE PKWY
WAUKEE, IA 50263

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 Garrett Shackleton's NPI number?

The NPI number for Garrett Shackleton is 1295183184. It was assigned to this individual provider in the NPPES registry on June 1, 2016.

Where is Garrett Shackleton located?

Garrett Shackleton practices at 2515 Grand Prairie Pkwy, Waukee, IA 50263. The listed phone number is (515) 265-1300.

What is Garrett Shackleton's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Garrett Shackleton enrolled in Medicare?

Yes. Garrett Shackleton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Garrett Shackleton accept?

Health plans from UnitedHealthcare list Garrett Shackleton 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.

Is Garrett Shackleton affiliated with any hospitals?

According to CMS data, Garrett Shackleton is affiliated with Unitypoint Health - Des Moines Iowa Methodist Medi.

When was this NPI record last updated?

The NPPES record for Garrett Shackleton was last updated on February 3, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.