RYAN MATTHEW ACKER DO
NPI 1659949303
Emergency Medicine in Tulsa, OK

Q: What is Ryan Acker's NPI number?

The NPI number for Ryan Acker is 1659949303. It was assigned to this individual provider in the NPPES registry on June 17, 2021.

Q: What is Ryan Acker'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 Ryan Acker was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 June 17, 2021PECOS EnrolledAccepts Medicare Assignment

1111 W 17TH ST, TULSA, OK 74107(918) 561-1232 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 10, 2024, Jun 17, 2021 (2 updates tracked since 2021).

On this page

About Ryan Matthew Acker Do NPPES

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

RYAN MATTHEW ACKER DO (NPI 1659949303) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (8063) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Stillwater Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1659949303

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameRYAN MATTHEW ACKERCredential: DO

Location Address1111 W 17TH STTulsa, OK 74107-1886

Mailing Address1111 W 17th StTulsa, OK 74107-1886 · (918) 561-1232

Phone(918) 561-1232

Sole ProprietorYes

Medical School CMSOklahoma State University College Of Osteopathic MedicineGraduated 2022

Enumeration DateJune 17, 2021

Last NPPES UpdateAugust 20, 20252 updates tracked since enumeration

NPPES CertifiedAugust 20, 2025

✔ NPI 1659949303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in OK · 8063

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

1111 W 17TH ST, Tulsa, OK 74107

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1200 2nd Ave SWMiami, OK 74354-6830 · Phone (918) 542-6611

Location 21323 W 6th AveStillwater, OK 74074-4306 · Phone (405) 742-5454 · Fax (405) 742-5454

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Ryan Matthew Acker 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 ID4789039736

PECOS Enrollment IDI20231011000085

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 3

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

Stillwater Medical Center

Acute Care Hospitals · Stillwater, OK

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number370049

Location1323 West 6th StreetStillwater, OK 74076 · Payne County

Emergency services Birthing friendly

Hillcrest Hospital Henryetta

Acute Care Hospitals · Henryetta, OK

OwnershipProprietary

CMS Certification Number370183

Location2401 W MainHenryetta, OK 74437 · Okmulgee County

Emergency services

Creek Nation Community Hospital

Critical Access Hospitals · Okemah, OK

OwnershipTribal

CMS Certification Number371333

Location1800 E CoplinOkemah, OK 74859 · Okfuskee County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74107 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

$82.46 typical visit price

range $53.00 – $162.61

Typical copayment $20.61 (range $13.25 – $40.65)

Most-billed visit code 99203

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

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.

GRAHAM NATHAN JAMEISON MAT, ATC