DR. STUART MARK GAYNES MD
NPI 1982712543
Emergency Medicine in Olathe, KS

Q: What is Stuart Gaynes's NPI number?

The NPI number for Stuart Gaynes is 1982712543. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Q: What is Stuart Gaynes's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Stuart Gaynes was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 August 25, 2006PECOS Enrolled

20333 W 151ST ST, OLATHE, KS 66061(913) 791-4357(913) 791-4435 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Stuart Mark Gaynes Md NPPES

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

DR. STUART MARK GAYNES MD (NPI 1982712543) is an individual emergency medicine provider in Olathe, Kansas, licensed in Kansas (04-26382) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982712543

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. STUART MARK GAYNESCredential: MD

Location Address20333 W 151ST STOlathe, KS 66061-5350

Mailing AddressPo Box 716Overland Park, KS 66201-0716 · (913) 642-4900 · Fax (913) 381-0979

Phone(913) 791-4357

Fax(913) 791-4435

Sole ProprietorNo

Enumeration DateAugust 25, 2006

Last NPPES UpdateApril 17, 2025

NPPES CertifiedApril 17, 2025

✔ NPI 1982712543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in KS · 04-26382✔ Licensed in SC · 52009

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedEmergency Medicine · Undersea and Hyperbaric MedicineTaxonomy 207PE0005X · License 0426382 (KS)

20333 W 151ST ST, Olathe, KS 66061

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Other Identifiers 7

Medicaid100289450CKS

Medicaid1982712543MO

Other930110421KS · Rr Medicare

Other23896031KS · Bcbskc

Other5165400KS · Aetna

OtherP00812184KS · Rr Medicare-wha

Medicaid100289450BKS

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stuart Mark Gaynes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Stuart Gaynes reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America LLC

740 mi

Emergency Medicine

1 SAINT FRANCIS DR
Greenville, SC 29601

Reassigned Medicare billing, South Carolina enrollment
103 clinicians in this Medicare group

NPI 1629817630 (864) 255-1000

Hilton Head Emergency Physicians, Inc.

895 mi

Emergency Medicine

1000 MEDICAL CENTER DR
Hardeeville, SC 29927

Reassigned Medicare billing, South Carolina enrollment
57 clinicians in this Medicare group

NPI 1265680391 (842) 784-8000

Acs Primary Care Physicians - Southeast PC

958 mi

Emergency Medicine

809 82ND PKWY
Myrtle Beach, SC 29572

Reassigned Medicare billing, South Carolina enrollment
559 clinicians in this Medicare group

NPI 1861430555 (843) 692-1000

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 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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

304 services300 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

181 services177 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

54 services53 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.

17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66061 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

$94.12 typical visit price

range $16.88 – $132.11

Typical copayment $23.53 (range $4.22 – $33.02)

Most-billed visit code 99214

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.

COLEMAN ANDREW MCFERRIN MD

Urology