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BRETT MICHAEL WALKER DO
NPI 1417243528
Orthopaedic Surgery in Owosso, MI

Active since June 27, 2011PECOS EnrolledAccepts Medicare Assignment
819 N SHIAWASSEE ST STE 200, OWOSSO, MI 48867(989) 541-2663(989) 723-3601 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 4, 2026, Aug 7, 2025, Jun 2, 2025 and 3 more (6 updates tracked since 2016).

About Brett Michael Walker Do NPPES

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

BRETT MICHAEL WALKER DO (NPI 1417243528) is an individual orthopaedic surgery provider in Owosso, Michigan, licensed in Michigan (5101019210) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Munson Healthcare Grayling Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1417243528
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameBRETT MICHAEL WALKERCredential: DO
Location Address819 N SHIAWASSEE ST STE 200Owosso, MI 48867-1601
Mailing Address819 N Shiawassee St Ste 200Owosso, MI 48867-1601 · (989) 541-2663 · Fax (989) 723-3601
Phone(989) 541-2663
Fax(989) 723-3601
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2011
Enumeration DateJune 27, 2011
Last NPPES UpdateMarch 4, 20266 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1417243528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in MI · 5101019210
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License FW3427944 (MI), 5101019210 (MI)
819 N SHIAWASSEE ST STE 200, Owosso, MI 48867
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Secondary Practice Locations 5

Location 12147 Professional DrGaylord, MI 49735-0003 · Phone (989) 732-1753
Location 22585 W Houghton Lake DrPrudenville, MI 48651-9624 · Phone (989) 366-2900
Location 31619 Anderson RdPetoskey, MI 49770-9256 · Phone (231) 417-6090
Location 414695 Park Ave Ste ACharlevoix, MI 49720-1920 · Phone (231) 547-2812
Location 58881 M 119Harbor Springs, MI 49740-9816 · Phone (231) 935-5880

Other Identifiers 1

Medicaid1417243528MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.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

Brett Michael Walker Do 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 ID4587814736
PECOS Enrollment IDI20121024000126
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 2

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.

X-ray of lower and sacral spine, minimum of 4 views 72110
An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.
19 services19 patients
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.
17 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Munson Healthcare Grayling Hospital

Acute Care Hospitals · Grayling, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230058
Location1100 E Michigan AveGrayling, MI 49738 · Crawford County
Emergency services Birthing friendly

Munson Healthcare Otsego Memorial Hospital

Acute Care Hospitals · Gaylord, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230133
Location825 N Center AveGaylord, MI 49735 · Otsego County
Birthing friendly

Ascension St John Hospital

Acute Care Hospitals · Detroit, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230165
Location22101 Moross RdDetroit, MI 48236 · Wayne County
Emergency services Birthing friendly

Ascension Macomb Oakland Hosp-Warren Campus

Acute Care Hospitals · Warren, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230195
Location11800 East Twelve Mile RoadWarren, MI 48093 · Macomb County
Emergency services

Charlevoix Area Hospital

Critical Access Hospitals · Charlevoix, MI
OwnershipVoluntary non-profit - Other
CMS Certification Number231322
Location14700 Lakeshore DriveCharlevoix, MI 49720 · Charlevoix County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48867 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 4

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

JOSEPH E PALAZETI DO
Orthopaedic Surgery
819 N SHIAWASSEE ST STE 200
OWOSSO, MI 48867
Shiawassee County (989) 541-2663
RICHARD V ROBERTS MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
819 N SHIAWASSEE ST STE 200
OWOSSO, MI 48867
Shiawassee County (989) 541-2663
MICHAEL P SCHMIDT DO
Orthopaedic Surgery
819 N SHIAWASSEE ST STE 200
OWOSSO, MI 48867
Shiawassee County (989) 541-2663
TARAH JEAN RAKOSKI PA-C
Physician Assistant
819 N SHIAWASSEE ST STE 200
OWOSSO, MI 48867
Shiawassee County (989) 541-2663

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 Brett Walker's NPI number?

The NPI number for Brett Walker is 1417243528. It was assigned to this individual provider in the NPPES registry on June 27, 2011.

Where is Brett Walker located?

Brett Walker practices at 819 N Shiawassee St Ste 200, Owosso, MI 48867. The listed phone number is (989) 541-2663.

What is Brett Walker's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Brett Walker enrolled in Medicare?

Yes. Brett Walker 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 Brett Walker accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Brett Walker 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 Brett Walker affiliated with any hospitals?

According to CMS data, Brett Walker is affiliated with Munson Healthcare Grayling Hospital, Munson Healthcare Otsego Memorial Hospital, Ascension St John Hospital, Ascension Macomb Oakland Hosp-Warren Campus and Charlevoix Area Hospital.

When was this NPI record last updated?

The NPPES record for Brett Walker was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.