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JAMI GRANTZ APRN, CNP
NPI 1992155386
Nurse Practitioner in Kingfisher, OK

Active since June 15, 2016PECOS Enrolled
1000 KINGFISHER REG HOSP DR, KINGFISHER, OK 73750(405) 375-7847(405) 375-7849 Get Directions Write a Review

NPPES record last updated: August 26, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 26, 2016, Jun 15, 2016 (2 updates tracked since 2016).

About Jami Grantz Aprn, Cnp NPPES

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

JAMI GRANTZ APRN, CNP (NPI 1992155386) is an individual nurse practitioner in Kingfisher, Oklahoma, licensed in Oklahoma (69333) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992155386
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameJAMI GRANTZCredential: APRN, CNP
Location Address1000 KINGFISHER REG HOSP DRKingfisher, OK 73750
Mailing Address1000 Kingfisher Reg Hosp DrKingfisher, OK 73750 · (405) 375-7847 · Fax (405) 375-7849
Phone(405) 375-7847
Fax(405) 375-7849
Sole ProprietorYes
Enumeration DateJune 15, 2016
Last NPPES UpdateAugust 26, 20162 updates tracked since enumeration
✔ NPI 1992155386 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in OK · 69333
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedGeneral Acute Care Hospital · RuralTaxonomy 282NR1301X · License 69333 (OK)
1000 KINGFISHER REG HOSP DR, Kingfisher, OK 73750
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jami Grantz Aprn, Cnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

6

Medicare enrollment records show Jami Grantz reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Hospital Kingfisher, Inc
6.1 mi
Critical Access
1000 HOSPITAL DR
Kingfisher, OK 73750
  • Reassigned Medicare billing, Oklahoma enrollment
  • Also billed through NPI 1285064618 (Oklahoma)
  • 44 clinicians in this Medicare group
NPI 1083048417 (405) 375-3141
Mercy Hospital Logan County, Inc
22 mi
Rural Health
400 S GRAND
Crescent, OK 73028
  • Reassigned Medicare billing, Oklahoma enrollment
  • Also billed through NPI 1306126818 (Oklahoma)
  • 137 clinicians in this Medicare group
NPI 1659652071 (405) 969-2818
Mercy Clinic Oklahoma Communities
24 mi
Family Medicine
4300 W MEMORIAL RD
Oklahoma City, OK 73120
  • Reassigned Medicare billing, Oklahoma enrollment
  • 975 clinicians in this Medicare group
NPI 1386874550 (405) 752-3333
Mercy Hospital Watonga Inc
27 mi
Critical Access
500 N CLARENCE NASH BLVD
Watonga, OK 73772
  • Reassigned Medicare billing, Oklahoma enrollment
  • 39 clinicians in this Medicare group
NPI 1497017529 (580) 623-7211
Mercy Hospital Healdton, Inc.
112 mi
Rural Health
3472 HOSPITAL RD
Healdton, OK 73438
  • Reassigned Medicare billing, Oklahoma enrollment
  • 37 clinicians in this Medicare group
NPI 1437467388 (580) 229-0079
Mercy Hospital Tishomingo, Inc.
130 mi
Critical Access
1000 S BYRD ST
Tishomingo, OK 73460
  • Reassigned Medicare billing, Oklahoma enrollment
  • 55 clinicians in this Medicare group
NPI 1932404431 (580) 371-2327

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73750 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 Jami Grantz's NPI number?

The NPI number for Jami Grantz is 1992155386. It was assigned to this individual provider in the NPPES registry on June 15, 2016.

Where is Jami Grantz located?

Jami Grantz practices at 1000 Kingfisher Reg Hosp Dr, Kingfisher, OK 73750. The listed phone number is (405) 375-7847.

What is Jami Grantz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Jami Grantz enrolled in Medicare?

Yes. Jami Grantz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jami Grantz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jami Grantz reassigns Medicare benefits to 6 organizations: Mercy Hospital Kingfisher, Inc (Kingfisher, OK), Mercy Hospital Logan County, Inc (Crescent, OK), Mercy Clinic Oklahoma Communities (Oklahoma City, OK), Mercy Hospital Watonga Inc (Watonga, OK), Mercy Hospital Healdton, Inc. (Healdton, OK) and 1 more organization, listed in the Medicare section above. Each 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 Jami Grantz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jami Grantz accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Mending Health and UnitedHealthcare list Jami Grantz 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.

When was this NPI record last updated?

The NPPES record for Jami Grantz was last updated on August 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.