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MATTIE LETHERMON AGACNP-BC
NPI 1740063577
Nurse Practitioner - Acute Care in Claremore, OK

Active since August 15, 2023PECOS EnrolledAccepts Medicare Assignment
1220 N FLORENCE AVE, CLAREMORE, OK 74017(918) 341-5311 Get Directions Write a Review

NPPES record last updated: August 15, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mattie Lethermon Agacnp-bc NPPES

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

MATTIE LETHERMON AGACNP-BC (NPI 1740063577) is an individual acute care provider in Claremore, Oklahoma, licensed in Oklahoma (214829) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1740063577
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMATTIE LETHERMONCredential: AGACNP-BC
Location Address1220 N FLORENCE AVEClaremore, OK 74017-4381
Mailing Address4937 S Quincy AveTulsa, OK 74105-4730 · (620) 515-4814
Phone(918) 341-5311
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 15, 2023
NPPES CertifiedAugust 15, 2023
✔ NPI 1740063577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in OK · 214829
1220 N FLORENCE AVE, Claremore, OK 74017
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and more.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

Mattie Lethermon Agacnp-bc 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 ID345696530
PECOS Enrollment IDI20231024002967
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

3

Medicare enrollment records show Mattie Lethermon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ahs Oklahoma Physician Group LLC
24 mi
Family Medicine
1120 S UTICA AVE STE 100
Tulsa, OK 74104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 340 clinicians in this Medicare group
NPI 1235182775 (918) 579-3826
Green Country Emergency Physicians Group Of Tulsa PLLC
24 mi
Emergency Medicine
1120 S UTICA AVE
Tulsa, OK 74104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 162 clinicians in this Medicare group
NPI 1972698553 (918) 579-1000
Creek Nation Hospital & Clinics
40 mi
Clinic/Center
2900 N MAIN ST
Muskogee, OK 74401
  • Reassigned Medicare billing, Texas enrollment
  • 655 clinicians in this Medicare group
NPI 1922873611 (918) 346-7833

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

Areas of Expertise CMS Part B claims 7

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.

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
62 services62 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.
59 services46 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
46 services31 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.
35 services35 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.
30 services28 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
30 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Hillcrest Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipProprietary
CMS Certification Number370001
Location1120 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

Hillcrest Hospital Claremore

Acute Care Hospitals · Claremore, OK
2/5 CMS rating
OwnershipProprietary
CMS Certification Number370039
Location1202 N Muskogee PlaceClaremore, OK 74017 · Rogers County
Emergency services Birthing friendly

Hillcrest Hospital South

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipProprietary
CMS Certification Number370202
Location8801 South 101st East AvenueTulsa, OK 74133 · Tulsa County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74017 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 3

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

DR. LARRY KYLE HRDLICKA D.O.
Surgery
1220 N FLORENCE AVE
CLAREMORE, OK 74017
Rogers County (918) 341-5311
VASCULAR AND VEIN LASER CENTER
Surgery (Vascular Surgery)
1220 N FLORENCE AVE
CLAREMORE, OK 74017
Rogers County (918) 341-5311
CLAREMORE SURGEONS, INC
Surgery
1220 N FLORENCE AVE
CLAREMORE, OK 74017
Rogers County (918) 341-5311

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 Mattie Lethermon's NPI number?

The NPI number for Mattie Lethermon is 1740063577. It was assigned to this individual provider in the NPPES registry on August 15, 2023.

Where is Mattie Lethermon located?

Mattie Lethermon practices at 1220 N Florence Ave, Claremore, OK 74017. The listed phone number is (918) 341-5311.

What is Mattie Lethermon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mattie Lethermon enrolled in Medicare?

Yes. Mattie Lethermon 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 organizations bill Medicare for Mattie Lethermon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mattie Lethermon reassigns Medicare benefits to 3 organizations: Ahs Oklahoma Physician Group LLC (Tulsa, OK), Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK) and Creek Nation Hospital & Clinics (Muskogee, OK). 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 Mattie Lethermon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mattie Lethermon 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 4 other insurers list Mattie Lethermon 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 Mattie Lethermon affiliated with any hospitals?

According to CMS data, Mattie Lethermon is affiliated with Hillcrest Medical Center, Hillcrest Hospital Claremore and Hillcrest Hospital South.

When was this NPI record last updated?

The NPPES record for Mattie Lethermon was last updated on August 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.