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STEPHAN M YOST PA-C
NPI 1063497931
Physician Assistant - Medical in Tahlequah, OK

Active since December 13, 2005PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1400 E DOWNING ST, TAHLEQUAH, OK 74464(918) 456-0641 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 17, 2018, Nov 27, 2017 (2 updates tracked since 2017).

About Stephan M Yost Pa-c NPPES

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

STEPHAN M YOST PA-C (NPI 1063497931) is an individual medical provider in Tahlequah, Oklahoma, licensed in Arkansas (P-T0726) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Ozarks Healthcare, and maintains a secondary practice location in Muskogee.

NPPES Registry Identity

NPI1063497931
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameSTEPHAN M YOSTCredential: PA-C
Location Address1400 E DOWNING STTahlequah, OK 74464-3324
Mailing Address2281 State Route CcWest Plains, MO 65775-5116 · (417) 274-1358
Phone(918) 456-0641
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateDecember 13, 2005
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1063497931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
Licenses✔ Licensed in AR · P-T0726✔ Licensed in MO · 2004003095
Also ListedEmergency MedicineTaxonomy 207P00000X · License 2004003095 (MO)
1400 E DOWNING ST, Tahlequah, OK 74464
Open in Google Maps ↗

Secondary Practice Location 1

Location 11011 Honor Heights Dr, Jack C. Montgomery VA Medical CenterMuskogee, OK 74401-1318 · Phone (918) 577-4001 · Fax (918) 577-4019

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan 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

Stephan M Yost Pa-c 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 ID9638155799
PECOS Enrollment IDI20041001000001
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.

Hospital Affiliations CMS Care Compare

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

Ozarks Healthcare

Acute Care Hospitals · West Plains, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260078
Location1100 Kentucky AveWest Plains, MO 65775 · Howell County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40

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.

NORTHEASTERN HEALTH SYSTEM
General Acute Care Hospital
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 456-0641
MIDWEST HOSPITALISTS SERVICES PLLC
Hospitalist
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 456-0641
DR. THOMAS CHILTON FRUITS D.O.
Student in an Organized Health Care Education/Training Program
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 458-2406
STUART AUSTIN KOAKAI CANO DO
Student in an Organized Health Care Education/Training Program
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 456-0641
TAHLEQUAH CITY HOSPITAL
General Practice
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 456-0641
SETH STEWART SCANTLING
Nurse Anesthetist, Certified Registered
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 456-0641
ROSS P. TURNER D.O.
Internal Medicine
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 456-0641
DR. STACIE ANN LARMON PHARMD
Pharmacist
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Cherokee County (918) 718-5335

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 Stephan Yost's NPI number?

The NPI number for Stephan Yost is 1063497931. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Where is Stephan Yost located?

Stephan Yost practices at 1400 E Downing St, Tahlequah, OK 74464. The listed phone number is (918) 456-0641.

What is Stephan Yost's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Stephan Yost enrolled in Medicare?

Yes. Stephan Yost 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 Stephan Yost accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 5 other insurers list Stephan Yost 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 Stephan Yost affiliated with any hospitals?

According to CMS data, Stephan Yost is affiliated with Ozarks Healthcare.

When was this NPI record last updated?

The NPPES record for Stephan Yost was last updated on March 17, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.