GRANT HARPER SHUMAKER MD
NPI 1841265139
Neurological Surgery in Dakota Dunes, SD

Q: What is Grant Shumaker's NPI number?

The NPI number for Grant Shumaker is 1841265139. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Q: What is Grant Shumaker's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Q: When was this NPI record last updated?

The NPPES record for Grant Shumaker was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since February 21, 2006PECOS Enrolled

575 N SIOUX POINT RD, CNOS, PC, DAKOTA DUNES, SD 57049(605) 217-2667(605) 217-2900 Get Directions Write a Review

NPPES record last updated: August 6, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Grant Harper Shumaker Md NPPES

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

GRANT HARPER SHUMAKER MD (NPI 1841265139) is an individual neurological surgery provider in Dakota Dunes, South Dakota, licensed in South Dakota (5770) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and is a graduate of Yale University School Of Medicine (1991).

NPPES Registry Identity

NPI1841265139

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameGRANT HARPER SHUMAKERCredential: MD

Location Address575 N SIOUX POINT RD, CNOS, PCDakota Dunes, SD 57049-5312

Mailing Address575 N Sioux Point Rd, Cnos, PcDakota Dunes, SD 57049-5312 · (605) 217-2667 · Fax (605) 217-2900

Phone(605) 217-2667

Fax(605) 217-2900

Sole ProprietorNo

Medical School CMSYale University School Of MedicineGraduated 1991

Enumeration DateFebruary 21, 2006

Last NPPES UpdateAugust 6, 2010

✔ NPI 1841265139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

License✔ Licensed in SD · 5770

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

575 N SIOUX POINT RD, Dakota Dunes, SD 57049

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Other Identifiers 4

Medicare UPING16805

Medicare PIN100900SD

Medicare NSC1295480001SD

Medicare PINI17022IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grant Harper Shumaker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466402151

PECOS Enrollment IDI20060223000710, I20060223000737, I20100922000736

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.

Medicare Billing Reassignment

Medicare enrollment records show Grant Shumaker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cnos PC

Same address

Orthopaedic Surgery

575 N SIOUX POINT RD
Dakota Dunes, SD 57049

Reassigned Medicare billing, Iowa and South Dakota enrollments
79 clinicians in this Medicare group

NPI 1881604320 (605) 217-2667

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

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.

130 services95 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.

77 services67 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

68 services50 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.

47 services47 patients

Fusion of additional segment of spine 22614

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

36 services18 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.

28 services28 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

27 services19 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

26 services25 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

25 services21 patients

Fusion of spine in lower back with partial removal of spine bone and disc 22633

This procedure, called lumbar spinal fusion, involves joining two or more vertebrae in your lower back. It includes a partial removal of a spine bone and disc to alleviate pain and improve stability. The goal is to reduce motion between vertebrae and prevent nerve irritation.

19 services19 patients

X-ray of middle spine, 2 views 72070

An X-ray of the middle spine, or thoracic spine, involves capturing two different images of the area. This non-invasive procedure uses small amounts of radiation to visualize the bones and tissues in your back, helping to identify any abnormalities or injuries.

19 services17 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

16 services11 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

13 services13 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

12 services11 patients

Aspiration of bone marrow for spine bone graft 20939

Aspiration of bone marrow for spine bone graft is a procedure where a small amount of bone marrow is extracted, usually from the hip, and then used to help new bone grow in the spine. This can aid in spinal fusion surgeries, enhancing recovery and stability.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

St Lukes Regional Medical Center

Acute Care Hospitals · Sioux City, IA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160146

Location2720 Stone Park BoulevardSioux City, IA 51104 · Woodbury County

Emergency services Birthing friendly

Sioux Center Health

Critical Access Hospitals · Sioux Center, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161346

Location1101 9th Street SESioux Center, IA 51250 · Sioux County

Emergency services

Floyd Valley Healthcare

Critical Access Hospitals · Le Mars, IA

OwnershipGovernment - Local

CMS Certification Number161368

Location714 Lincoln St NELe Mars, IA 51031 · Plymouth County

Emergency services Birthing friendly

Buena Vista Regional Medical Center

Critical Access Hospitals · Storm Lake, IA

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number161375

Location1525 West 5th StreetStorm Lake, IA 50588 · Buena Vista County

Emergency services

Dunes Surgical Hospital

Acute Care Hospitals · Dakota Dunes, SD

OwnershipProprietary

CMS Certification Number430089

Location600 N Sioux Point RoadDakota Dunes, SD 57049 · Union County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57049 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

$126.78 typical visit price

range $55.52 – $167.23

Typical copayment $31.69 (range $13.88 – $41.80)

Most-billed visit code 99204

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 20

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

JOSHUA HOCKETT

Orthopaedic Surgery

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (052) 172-6676

CLIFFORD JOHNSON DPT

Physical Therapist

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (605) 217-2667

THORIR STURLA RAGNARSSON MD

Neurological Surgery

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (605) 217-2667

BRANDEE KOEDAM DPT

Physical Therapist

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (605) 217-2615

GINA KIRSTEN MEISTER DPT

Physical Therapist

575 N SIOUX POINT RD, CNOS, PC
DAKOTA DUNES, SD 57049

Union County (605) 217-2615

PAUL WILSON ATHLETIC TRAINER

Specialist/Technologist (Athletic Trainer)

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (605) 217-2667

NICHOLAS NIELSEN

Physical Therapist

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (605) 217-2667

RYAN CHRISTOPHER MEIS MD

Orthopaedic Surgery

575 N SIOUX POINT RD
DAKOTA DUNES, SD 57049

Union County (605) 217-2667

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 Grant Shumaker's NPI number?

The NPI number for Grant Shumaker is 1841265139. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Grant Shumaker located?

Grant Shumaker practices at 575 N Sioux Point Rd Cnos, PC, Dakota Dunes, SD 57049. The listed phone number is (605) 217-2667.

What is Grant Shumaker's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Grant Shumaker enrolled in Medicare?

Yes. Grant Shumaker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Grant Shumaker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Shumaker reassigns Medicare benefits to Cnos PC (Dakota Dunes, SD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grant Shumaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grant Shumaker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Oscar Health and Oscar Insurance Company and 3 other insurers list Grant Shumaker 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 Grant Shumaker affiliated with any hospitals?

According to CMS data, Grant Shumaker is affiliated with St Lukes Regional Medical Center, Sioux Center Health, Floyd Valley Healthcare, Buena Vista Regional Medical Center and Dunes Surgical Hospital.

When was this NPI record last updated?

The NPPES record for Grant Shumaker was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.