CHEYANNA ISERNHAGEN CNP
NPI 1154842235
Nurse Practitioner - Family in Oklahoma City, OK

Active since June 29, 2017PECOS EnrolledAccepts Medicare Assignment
4200 W MEMORIAL RD STE 901, OKLAHOMA CITY, OK 73120(405) 242-4030 Get Directions Write a Review

NPPES record last updated: December 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 26, 2025, Aug 19, 2019, Jun 29, 2017 (3 updates tracked since 2017).

About Cheyanna Isernhagen Cnp NPPES

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

CHEYANNA ISERNHAGEN CNP (NPI 1154842235) is an individual family provider in Oklahoma City, Oklahoma, licensed in Oklahoma (104614) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1154842235
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCHEYANNA ISERNHAGENCredential: CNP
Location Address4200 W MEMORIAL RD STE 901Oklahoma City, OK 73120-8378
Mailing AddressPo Box 776084Chicago, IL 60677-6084
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 29, 2017
Last NPPES UpdateDecember 26, 20253 updates tracked since enumeration
NPPES CertifiedDecember 26, 2025
✔ NPI 1154842235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in OK · 104614
4200 W MEMORIAL RD STE 901, Oklahoma City, OK 73120

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cheyanna Isernhagen Cnp 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 ID3274808019
PECOS Enrollment IDI20171004003497
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 Reassignment

Medicare enrollment records show Cheyanna Isernhagen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
4300 W MEMORIAL RD
Oklahoma City, OK 73120
  • Reassigned Medicare billing, Oklahoma enrollment
  • 975 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73120 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 2

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

Urology
4200 W MEMORIAL RD STE 901
OKLAHOMA CITY, OK 73120
Advanced Practice Midwife
4200 W MEMORIAL RD STE 901
OKLAHOMA CITY, OK 73120

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 Cheyanna Isernhagen's NPI number?

The NPI number for Cheyanna Isernhagen is 1154842235. It was assigned to this individual provider in the NPPES registry on June 29, 2017.

Where is Cheyanna Isernhagen located?

Cheyanna Isernhagen practices at 4200 W Memorial Rd Ste 901, Oklahoma City, OK 73120. The listed phone number is (405) 242-4030.

What is Cheyanna Isernhagen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Cheyanna Isernhagen enrolled in Medicare?

Yes. Cheyanna Isernhagen 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.

Which organization bills Medicare for Cheyanna Isernhagen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cheyanna Isernhagen reassigns Medicare benefits to Mercy Clinic Oklahoma Communities (Oklahoma City, OK). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cheyanna Isernhagen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cheyanna Isernhagen accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Cheyanna Isernhagen 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 Cheyanna Isernhagen affiliated with any hospitals?

According to CMS data, Cheyanna Isernhagen is affiliated with Mercy Hospital Oklahoma City, Inc.

When was this NPI record last updated?

The NPPES record for Cheyanna Isernhagen was last updated on December 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.