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DR. NANCY CHRISTENE MERRITT D.O.
NPI 1992843809
Internal Medicine in Poteau, OK

Active since February 02, 2007PECOS EnrolledAccepts Medicare Assignment
104 WALL ST, POTEAU, OK 74953(918) 635-3545(918) 635-3516 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nancy Christene Merritt D.o. NPPES

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

DR. NANCY CHRISTENE MERRITT D.O. (NPI 1992843809) is an individual internal medicine provider in Poteau, Oklahoma, licensed in Oklahoma (4429) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Eastern Oklahoma Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1992843809
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NANCY CHRISTENE MERRITTCredential: D.O.
Location Address104 WALL STPoteau, OK 74953-4405
Mailing Address105 Wall StPoteau, OK 74953-4433 · (918) 635-3566 · Fax (918) 635-3568
Phone(918) 635-3545
Fax(918) 635-3516
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateFebruary 2, 2007
Last NPPES UpdateMay 8, 2025
NPPES CertifiedMay 8, 2025
✔ NPI 1992843809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OK · 4429
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 4429 (OK)
104 WALL ST, Poteau, OK 74953
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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 Louisiana Healthcare Connections 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

Dr. Nancy Christene Merritt D.o. 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 ID3274687207
PECOS Enrollment IDI20090811000054
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.

Hospital Affiliations CMS Care Compare

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

Eastern Oklahoma Medical Center

Critical Access Hospitals · Poteau, OK
OwnershipGovernment - Local
CMS Certification Number371337
Location105 Wall StreetPoteau, OK 74953 · Le Flore County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74953 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Patient lift, electric with seat or sling E0635
DME-Other DME · category DE000N
1 supplier12 claims12 services$91.43 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier34 claims36 services$116.05 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier22 claims24 services$38.23 avg. paid by Medicare
Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605
DME-Drugs Administered Through DME · category DG006N
3 suppliers28 claims1,680 services$4.81 avg. paid by Medicare
Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626
DME-Drugs Administered Through DME · category DG000N
3 suppliers28 claims1,680 services$0.83 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
1 supplier12 claims12 services$42.05 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

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

LEFLORE COUNTY HOSPITAL AUTHORITY
Clinic/Center (Rural Health)
104 WALL ST
POTEAU, OK 74953
Le Flore County (918) 647-8635
DR. KASSANDRA L PAYNE DO
Family Medicine
104 WALL ST
POTEAU, OK 74953
Le Flore County (918) 647-8635
DR. WILLIAM A WILLIS M.D.
General Practice
104 WALL ST
POTEAU, OK 74953
Le Flore County (918) 839-2159
JASON TYLER GORDON GRAHAM NP
Nurse Practitioner (Family)
104 WALL ST
POTEAU, OK 74953
Le Flore County (918) 635-3508
JOCELYN NEWTON APRN
Nurse Practitioner (Primary Care)
104 WALL ST
POTEAU, OK 74953
Le Flore County (918) 635-3519
DR. JANET L GARVIN D.O.
Family Medicine
104 WALL ST
POTEAU, OK 74953
Le Flore County (918) 635-3508

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 Nancy Merritt's NPI number?

The NPI number for Nancy Merritt is 1992843809. It was assigned to this individual provider in the NPPES registry on February 2, 2007.

Where is Nancy Merritt located?

Nancy Merritt practices at 104 Wall St, Poteau, OK 74953. The listed phone number is (918) 635-3545.

What is Nancy Merritt's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nancy Merritt enrolled in Medicare?

Yes. Nancy Merritt 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 Nancy Merritt accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Sunflower Health Plan and 5 other insurers list Nancy Merritt 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 Nancy Merritt affiliated with any hospitals?

According to CMS data, Nancy Merritt is affiliated with Eastern Oklahoma Medical Center.

When was this NPI record last updated?

The NPPES record for Nancy Merritt was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.