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CASEY FOSTER DE GRAAF NP-C
NPI 1174027098
Nurse Practitioner - Family in Oklahoma City, OK

Active since March 23, 2018PECOS EnrolledAccepts Medicare Assignment
5200 E I 240 SERVICE RD # 330, OKLAHOMA CITY, OK 73135(405) 416-9703(405) 416-9704 Get Directions Write a Review

NPPES record last updated: March 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 24, 2025, Mar 21, 2025, Jul 25, 2023 and 1 more (4 updates tracked since 2018).

About Casey Foster De Graaf Np-c NPPES

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

CASEY FOSTER DE GRAAF NP-C (NPI 1174027098) is an individual family provider in Oklahoma City, Oklahoma, licensed in Oklahoma (212947) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1174027098
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCASEY FOSTER DE GRAAFCredential: NP-C
Location Address5200 E I 240 SERVICE RD # 330Oklahoma City, OK 73135-2607
Mailing Address5200 E I 240 Service Rd # 330Oklahoma City, OK 73135-2607 · (405) 416-9703 · Fax (405) 416-9704
Phone(405) 416-9703
Fax(405) 416-9704
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 23, 2018
Last NPPES UpdateMarch 24, 20254 updates tracked since enumeration
NPPES CertifiedMarch 24, 2025
✔ NPI 1174027098 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
Licenses✔ Licensed in OK · 212947✔ Licensed in SC · 21637
5200 E I 240 SERVICE RD # 330, Oklahoma City, OK 73135
Open in Google Maps ↗

Other Names 1

Former Name (1)Casey Jane Foster Np-c

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

Casey Foster De Graaf Np-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 ID840548566
PECOS Enrollment IDI20230725000577
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.

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.
204 services145 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.
71 services70 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.
23 services21 patients

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 73135 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.

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 Casey De Graaf's NPI number?

The NPI number for Casey De Graaf is 1174027098. It was assigned to this individual provider in the NPPES registry on March 23, 2018. The provider is also known as Casey Jane Foster Np-C.

Where is Casey De Graaf located?

Casey De Graaf practices at 5200 E I 240 Service Rd # 330, Oklahoma City, OK 73135. The listed phone number is (405) 416-9703.

What is Casey De Graaf's specialty?

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

Is Casey De Graaf enrolled in Medicare?

Yes. Casey De Graaf 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 Casey De Graaf accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Casey De Graaf 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 Casey De Graaf affiliated with any hospitals?

According to CMS data, Casey De Graaf is affiliated with Mercy Hospital Oklahoma City, Inc.

When was this NPI record last updated?

The NPPES record for Casey De Graaf was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.