STEPHEN ISERNHAGEN
NPI 1720444631
Physician Assistant in Norman, OK

Q: What is Stephen Isernhagen's NPI number?

The NPI number for Stephen Isernhagen is 1720444631. It was assigned to this individual provider in the NPPES registry on January 7, 2016.

Q: What is Stephen Isernhagen's specialty?

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

Active since January 07, 2016PECOS EnrolledAccepts Medicare Assignment

92.36/100

CMS Quality Rating

3700 36TH AVE NW, NORMAN, OK 73072(405) 230-9600(405) 230-9601 Get Directions Write a Review

NPPES record last updated: August 9, 2019. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Stephen Isernhagen NPPES

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

STEPHEN ISERNHAGEN (NPI 1720444631) is an individual physician assistant in Norman, Oklahoma, licensed in Oklahoma (2613) and active in the NPI registry since January 2016. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1720444631

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameSTEPHEN ISERNHAGEN

Location Address3700 36TH AVE NWNorman, OK 73072-1803

Mailing Address9600 Broadway ExtOklahoma City, OK 73114-7408 · (405) 230-9600 · Fax (405) 230-9157

Phone(405) 230-9600

Fax(405) 230-9601

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJanuary 7, 2016

Last NPPES UpdateAugust 9, 2019

✔ NPI 1720444631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in OK · 2613

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.

3700 36TH AVE NW, Norman, OK 73072

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Mending Health, UnitedHealthcare.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

Stephen Isernhagen 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 ID3375847197

PECOS Enrollment IDI20160215001190

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 16

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.

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

293 services172 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

163 services132 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

107 services90 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

72 services51 patients

Aspiration and/or injection of fluid from large joint 20610

69 services42 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

52 services41 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

50 services34 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

49 services36 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

43 services34 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

29 services29 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

29 services27 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

25 services24 patients

X-ray of hip, 2-3 views 73502

23 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

22 services22 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

X-ray of knee, 4 or more views 73564

15 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

Mcbride Orthopedic Hospital

Acute Care Hospitals · Oklahoma City, OK

OwnershipPhysician

CMS Certification Number370222

Location9600 North Broadway ExtensionOklahoma City, OK 73114 · Oklahoma County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73072 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.

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.

92.36/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

97.03

Promoting Interoperability

Improvement Activities

Other Providers at the Same Location NPPES 8

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

MRS. SIDONIE R BEVIER PT

Physical Therapist (Orthopedic)