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

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: August 16, 2026.

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

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
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

Accepted 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. 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.

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.

Emergency Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Nurse Practitioner (Family)
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Dietitian, Registered
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Physician Assistant
CORNER OF ROUTE N12 AND N7, CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Physical Therapist
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Family Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Family Medicine
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504
Pharmacist
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 86504

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.

What insurance does Mary Jean Cuaycong accept?

Health plans from Premera Blue Cross Blue Shield of Alaska 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 12 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.