GARRETT KLAASSEN
NPI 1710652540
Physician Assistant in Oklahoma City, OK

Active since August 13, 2021PECOS EnrolledAccepts Medicare Assignment
800 NE 10TH ST, OKLAHOMA CITY, OK 73104(405) 271-4022(405) 271-3020 Get Directions Write a Review

NPPES record last updated: October 7, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 7, 2024, Aug 13, 2021 (2 updates tracked since 2021).

About Garrett Klaassen NPPES

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

GARRETT KLAASSEN (NPI 1710652540) is an individual physician assistant in Oklahoma City, Oklahoma and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1710652540
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameGARRETT KLAASSEN
Location Address800 NE 10TH STOklahoma City, OK 73104-5418
Mailing Address4502 E 41st StTulsa, OK 74135-2536
Fax(405) 271-3020
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 13, 2021
Last NPPES UpdateOctober 7, 20242 updates tracked since enumeration
NPPES CertifiedOctober 7, 2024
NPI 1710652540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

800 NE 10TH ST, Oklahoma City, OK 73104

Accepted 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

Garrett Klaassen 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 ID1052751849
PECOS Enrollment IDI20240426001263
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 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.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
38 services13 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
19 services11 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital Oklahoma City, Inc

Acute Care Hospitals · Oklahoma City, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number370013
Location4300 West Memorial RoadOklahoma City, OK 73120 · Oklahoma County
Emergency services Birthing friendly

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370093
Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73104 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
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
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 20

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

Internal Medicine (Hematology & Oncology)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Internal Medicine (Hematology & Oncology)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Nurse Practitioner
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Nurse Practitioner (Women's Health)
800 NE 10TH ST, SUITE #5050
OKLAHOMA CITY, OK 73104
Internal Medicine
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Nurse Practitioner (Gerontology)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Nurse Practitioner (Women's Health)
800 NE 10TH ST, SUITE 2100
OKLAHOMA CITY, OK 73104
Internal Medicine (Hematology & Oncology)
800 NE 10TH ST, STEPHENSON CANCER CENTER
OKLAHOMA CITY, OK 73104

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 Garrett Klaassen's NPI number?

The NPI number for Garrett Klaassen is 1710652540. It was assigned to this individual provider in the NPPES registry on August 13, 2021.

Where is Garrett Klaassen located?

Garrett Klaassen practices at 800 NE 10th St, Oklahoma City, OK 73104. The listed phone number is (405) 271-4022.

What is Garrett Klaassen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Garrett Klaassen enrolled in Medicare?

Yes. Garrett Klaassen 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 Garrett Klaassen accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Medica and Mending Health list Garrett Klaassen 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 Garrett Klaassen affiliated with any hospitals?

According to CMS data, Garrett Klaassen is affiliated with Mercy Hospital Oklahoma City, Inc and O U Medical Center.

When was this NPI record last updated?

The NPPES record for Garrett Klaassen was last updated on October 7, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.