DR. CHRISTOPHER WAI HO KOO M.D.
NPI 1891051934
Surgery in Topeka, KS

Q: What is Christopher Koo's NPI number?

The NPI number for Christopher Koo is 1891051934. It was assigned to this individual provider in the NPPES registry on April 3, 2012.

Q: What is Christopher Koo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Christopher Koo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 03, 2012PECOS EnrolledAccepts Medicare Assignment

823 SW MULVANE ST, TOPEKA, KS 66606(785) 354-9591(785) 354-0519 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 13, 2026, Jun 1, 2026, Aug 15, 2024 and 2 more (5 updates tracked since 2019).

On this page

About Dr. Christopher Wai Ho Koo M.d. NPPES

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

DR. CHRISTOPHER WAI HO KOO M.D. (NPI 1891051934) is an individual surgery provider in Topeka, Kansas, licensed in Kansas (04-49824) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Stormont Vail Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891051934

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. CHRISTOPHER WAI HO KOOCredential: M.D.

Location Address823 SW MULVANE STTopeka, KS 66606-1764

Mailing Address10550 Quivira Rd Ste 250Overland Park, KS 66215-2303 · (913) 541-3540 · Fax (913) 227-0021

Phone(785) 354-9591

Fax(785) 354-0519

Sole ProprietorNo

Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2011

Enumeration DateApril 3, 2012

Last NPPES UpdateJuly 13, 20265 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1891051934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in KS · 04-49824✔ Licensed in PA · MD467613

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.

Also ListedTransplant SurgeryTaxonomy 204F00000X · License MD467613 (PA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

823 SW MULVANE ST, Topeka, KS 66606

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Secondary Practice Locations 2

Location 110550 Quivira Rd Ste 250Overland Park, KS 66215-2303 · Phone (913) 541-3540 · Fax (913) 227-0021

Location 21500 SW 10th AveTopeka, KS 66604-1301 · Phone (785) 354-6000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter of Oklahoma 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 and accepts Medicare assignment

Dr. Christopher Wai Ho Koo 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 ID9830496165

PECOS Enrollment IDI20240919003022

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 Christopher Koo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cotton-O'neil Clinic Revocable Trust

0.1 mi

Internal Medicine

901 SW GARFIELD AVE
Topeka, KS 66606

Reassigned Medicare billing, Kansas enrollment
854 clinicians in this Medicare group

NPI 1811944457 (785) 354-9591

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 3

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 moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

61 services41 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

38 services38 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

18 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Stormont Vail Hospital

Acute Care Hospitals · Topeka, KS

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number170086

Location1500 SW 10th AvenueTopeka, KS 66604 · Shawnee County

Emergency services Birthing friendly

Providence Medical Center

Acute Care Hospitals · Kansas City, KS

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number170146

Location8929 Parallel ParkwayKansas City, KS 66112 · Wyandotte County

Emergency services Birthing friendly

Overland Park Reg Med Ctr

Acute Care Hospitals · Overland Park, KS

4/5 CMS rating

OwnershipProprietary

CMS Certification Number170176

Location10500 Quivira RoadOverland Park, KS 66215 · Johnson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66606 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

$81.98 typical visit price

range $53.00 – $161.67

Typical copayment $20.49 (range $13.25 – $40.41)

Most-billed visit code 99203

Established Patient

$66.40 typical visit price

range $16.88 – $132.11

Typical copayment $16.60 (range $4.22 – $33.02)

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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503

Treatment-Chemotherapy · category RH002N

5 suppliers55 claims26,430 services$1.20 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

13 suppliers34 claims4,215 services$0.29 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

15 suppliers64 claims7,344 services$0.18 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

24 suppliers85 claims85 services$17.82 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

26 suppliers84 claims84 services$12.47 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DONNETT R STREETER APRN

Nurse Practitioner

823 SW MULVANE ST
TOPEKA, KS 66606

Shawnee County (785) 680-4011

MICHELLE D ANDREWS CRNA

Nurse Anesthetist, Certified Registered

823 SW MULVANE ST, SUITE 210
TOPEKA, KS 66606

Shawnee County (785) 235-3451

SHEHNAZ WASIM MD

Internal Medicine (Sleep Medicine)

823 SW MULVANE ST
TOPEKA, KS 66606

Shawnee County (785) 354-9591

ANDREA RENEE LEVY APRN, FNP-C

Nurse Practitioner (Family)

823 SW MULVANE ST
TOPEKA, KS 66606

Shawnee County (785) 270-4355

WADE WILLIAM STINSON JR. MD

Surgery (Surgical Critical Care)

823 SW MULVANE ST
TOPEKA, KS 66606

Shawnee County (785) 354-9591

ISRAEL V WALKER PA-C

Physician Assistant

823 SW MULVANE ST
TOPEKA, KS 66606

Shawnee County (785) 354-9591

DONALD I PEKRUL CRNA

Nurse Anesthetist, Certified Registered

823 SW MULVANE ST, SUITE 210
TOPEKA, KS 66606

Shawnee County (785) 235-3451

SHAWNA MITCHELL APRN

Nurse Practitioner

823 SW MULVANE ST
TOPEKA, KS 66606

Shawnee County (785) 270-0056

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 Christopher Koo's NPI number?

The NPI number for Christopher Koo is 1891051934. It was assigned to this individual provider in the NPPES registry on April 3, 2012.

Where is Christopher Koo located?

Christopher Koo practices at 823 SW Mulvane St, Topeka, KS 66606. The listed phone number is (785) 354-9591.

What is Christopher Koo's specialty?

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

Is Christopher Koo enrolled in Medicare?

Yes. Christopher Koo 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.

Which organization bills Medicare for Christopher Koo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Koo reassigns Medicare benefits to Cotton-O'neil Clinic Revocable Trust (Topeka, KS). 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 Christopher Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Koo accept?

Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas, Inc. list Christopher Koo 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 Christopher Koo affiliated with any hospitals?

According to CMS data, Christopher Koo is affiliated with Stormont Vail Hospital, Providence Medical Center and Overland Park Reg Med Ctr.

When was this NPI record last updated?

The NPPES record for Christopher Koo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.