DR. MARY JEAN CUAYCONG MD
NPI 1457681918
Internal Medicine in Fort Defiance, AZ

Q: What is Mary Jean Cuaycong's NPI number?

The NPI number for Mary Jean Cuaycong is 1457681918. It was assigned to this individual provider in the NPPES registry on January 6, 2010.

Q: What is Mary Jean Cuaycong's specialty?

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

Active since January 06, 2010PECOS EnrolledAccepts Medicare Assignment

CORNER OF ROUTE N12 AND N7, FORT DEFIANCE, AZ 86504(928) 729-8000 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 27, 2024, Jul 26, 2022 (2 updates tracked since 2022).

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About Dr. Mary Jean Cuaycong Md NPPES

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

DR. MARY JEAN CUAYCONG MD (NPI 1457681918) is an individual internal medicine provider in Fort Defiance, Arizona, licensed in Hawaii (MD-24562) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS, is affiliated with Yakima Valley Memorial, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1457681918

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARY JEAN CUAYCONGCredential: MD

Location AddressCORNER OF ROUTE N12 AND N7Fort Defiance, AZ 86504-0649

Mailing AddressPo Box 649Fort Defiance, AZ 86504-0649 · (928) 729-8000

Phone(928) 729-8000

Sole ProprietorNo

Medical School CMSOtherGraduated 1986

Enumeration DateJanuary 6, 2010

Last NPPES UpdateJuly 24, 20252 updates tracked since enumeration

NPPES CertifiedJuly 17, 2025

✔ NPI 1457681918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in HI · MD-24562✔ Licensed in WA · MD00048231

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 ListedOphthalmologyTaxonomy 207W00000X · License MD00048231 (WA)

Also ListedHospitalistTaxonomy 208M00000X · License 49540 (IA)

CORNER OF ROUTE N12 AND N7, Fort Defiance, AZ 86504

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Dr. Mary Jean Cuaycong Md 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 ID9739114455

PECOS Enrollment IDI20140916001390, I20250819000171

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

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

The Fort Defiance Indian Hospital Board, Incorporation

0.4 mi

General Acute Care Hospital

CORNER OF ROUTE N12 & N7
Fort Defiance, AZ 86504

Reassigned Medicare billing, Texas enrollment
518 clinicians in this Medicare group

NPI 1477876639 (928) 729-8000

Yakima Valley Memorial Physicians

956 mi

Orthopaedic Surgery

111 S 11TH AVE STE 320
Yakima, WA 98902

Reassigned Medicare billing, Washington enrollment
565 clinicians in this Medicare group

NPI 1154015592 (509) 454-8888

Community Health Center Of Snohomish County

1,077 mi

Federally Qualified Health Center (FQHC)

8609 EVERGREEN WAY
Everett, WA 98208

Reassigned Medicare billing, Washington enrollment
182 clinicians in this Medicare group

NPI 1730136367 (425) 789-1000

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 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 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.

252 services214 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.

57 services57 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

53 services53 patients

Hospital Affiliations CMS Care Compare

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

Yakima Valley Memorial

Acute Care Hospitals · Yakima, WA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500036

Location2811 Tieton DriveYakima, WA 98902 · Yakima County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86504 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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 20

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

DR. ROMULO LAURETA PARUNGAO M.D.

Emergency Medicine

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8600

CHARLES EATON PAGE

Emergency Medicine

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

JAY S GUIKEMA FNP

Nurse Practitioner (Family)

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

MARIBEL PASTRAN RD, CD

Dietitian, Registered

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

PONY NANCY SOKIRI PA-C

Physician Assistant

CORNER OF ROUTE N12 AND N7, CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

SARAH R WILLIAMS PT

Physical Therapist

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

JOHN NORBERT

Family Medicine

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

DR. LINDA BROWN TRUDEL MD

Family Medicine

CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

Apache County (928) 729-8000

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 Mary Jean Cuaycong's NPI number?

The NPI number for Mary Jean Cuaycong is 1457681918. It was assigned to this individual provider in the NPPES registry on January 6, 2010.

Where is Mary Jean Cuaycong located?

Mary Jean Cuaycong practices at Corner Of Route N12 And N7, Fort Defiance, AZ 86504. The listed phone number is (928) 729-8000.

What is Mary Jean Cuaycong's specialty?

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

Is Mary Jean Cuaycong enrolled in Medicare?

Yes. Mary Jean Cuaycong 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 Mary Jean Cuaycong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Jean Cuaycong reassigns Medicare benefits to 3 organizations: The Fort Defiance Indian Hospital Board, Incorporation (Fort Defiance, AZ), Yakima Valley Memorial Physicians (Yakima, WA) and Community Health Center Of Snohomish County (Everett, WA). 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 Mary Jean Cuaycong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Jean Cuaycong accept?

Health plans from Blue Cross Blue Shield of Arizona, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Jean Cuaycong 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 Mary Jean Cuaycong affiliated with any hospitals?

According to CMS data, Mary Jean Cuaycong is affiliated with Yakima Valley Memorial.

When was this NPI record last updated?

The NPPES record for Mary Jean Cuaycong was last updated on July 24, 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.