Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

THEODORE J. VANDERKOOI M.D.
NPI 1801849120
Surgery in Muskegon, MI

Q: What is Theodore Vanderkooi's NPI number?

The NPI number for Theodore Vanderkooi is 1801849120. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Q: What is Theodore Vanderkooi's specialty?

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

Active since May 18, 2006PECOS EnrolledAccepts Medicare Assignment

1316 MERCY DR, MUSKEGON, MI 49444(231) 739-9461(231) 739-1984 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

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About Theodore J. Vanderkooi M.d. NPPES

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

THEODORE J. VANDERKOOI M.D. (NPI 1801849120) is an individual surgery provider in Muskegon, Michigan, licensed in Michigan (065627) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and maintains a secondary practice location in Fremont.

NPPES Registry Identity

NPI1801849120

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameTHEODORE J. VANDERKOOICredential: M.D.

Location Address1316 MERCY DRMuskegon, MI 49444-1835

Mailing Address1316 Mercy DrMuskegon, MI 49444-1835 · (231) 739-9461 · Fax (231) 739-1981

Phone(231) 739-9461

Fax(231) 739-1984

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1995

Enumeration DateMay 18, 2006

Last NPPES UpdateSeptember 9, 2026

NPPES CertifiedSeptember 9, 2026

✔ NPI 1801849120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in MI · 065627

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.

1316 MERCY DR, Muskegon, MI 49444

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Secondary Practice Location 1

Location 1230 W Oak St, Suite 201Fremont, MI 49412-1575 · Phone (231) 924-4200 · Fax (616) 267-9046

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, McLaren Health Plan Community and more.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

Theodore J. Vanderkooi 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 ID2365431038

PECOS Enrollment IDI20101011000648

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

34 services23 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.

23 services17 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

22 services22 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.

17 services17 patients

Hospital Affiliations CMS Care Compare

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

Trinity Health Muskegon Hospital

Acute Care Hospitals · Muskegon, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230066

Location1500 E Sherman BlvdMuskegon, MI 49441 · Muskegon County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49444 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 19

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

MRS. ELIZABETH LYNNE CROSS AGNP-C

Nurse Practitioner (Gerontology)