MARY CAVANAUGH DAVIES MD
NPI 1851898845
Internal Medicine in Yakima, WA

Active since April 07, 2018PECOS EnrolledAccepts Medicare Assignment
12 S 8TH ST, YAKIMA, WA 98901(509) 454-4143(509) 454-4115 Get Directions Write a Review

NPPES record last updated: September 16, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2024, Aug 18, 2022, Aug 12, 2021 and 2 more (5 updates tracked since 2018).

About Mary Cavanaugh Davies Md NPPES

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

MARY CAVANAUGH DAVIES MD (NPI 1851898845) is an individual internal medicine provider in Yakima, Washington, licensed in Washington (MD61082126) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Yakima Valley Memorial, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1851898845
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARY CAVANAUGH DAVIESCredential: MD
Location Address12 S 8TH STYakima, WA 98901-3020
Mailing AddressPo Box 2605Yakima, WA 98907-2605 · (509) 454-4143 · Fax (509) 454-4115
Fax(509) 454-4115
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 7, 2018
Last NPPES UpdateSeptember 16, 20245 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2024
✔ NPI 1851898845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · MD61082126
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.
12 S 8TH ST, Yakima, WA 98901

Secondary Practice Locations 3

Location 1602 E Nob Hill BlvdYakima, WA 98901-3534 · Phone (509) 248-3334 · Fax (509) 453-6144
Location 260 Haven Ave Apt 31DNew York, NY 10032-0573 · Phone (267) 243-0368
Location 31600 S Columbian WaySeattle, WA 98108 · Phone (800) 329-8387 ext. 71234 · Fax (206) 764-2936

Accepted 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

Mary Cavanaugh Davies 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 ID8921418138
PECOS Enrollment IDI20220901000897
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 Reassignment

Medicare enrollment records show Mary Davies reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
12 S 8TH ST
Yakima, WA 98901
  • Reassigned Medicare billing, Washington enrollment
  • 44 clinicians in this Medicare group

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

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 98901 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

Social Worker (Clinical)
12 S 8TH ST
YAKIMA, WA 98901
Registered Nurse
12 S 8TH ST
YAKIMA, WA 98901
Registered Nurse
12 S 8TH ST
YAKIMA, WA 98901
Counselor (Addiction (Substance Use Disorder))
12 S 8TH ST
YAKIMA, WA 98901
Registered Nurse
12 S 8TH ST
YAKIMA, WA 98901
Counselor
12 S 8TH ST
YAKIMA, WA 98901
Dietitian, Registered
12 S 8TH ST
YAKIMA, WA 98901
Nurse Practitioner (Psychiatric/Mental Health)
12 S 8TH ST
YAKIMA, WA 98901

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 Davies's NPI number?

The NPI number for Mary Davies is 1851898845. It was assigned to this individual provider in the NPPES registry on April 7, 2018.

Where is Mary Davies located?

Mary Davies practices at 12 S 8th St, Yakima, WA 98901. The listed phone number is (509) 454-4143.

What is Mary Davies's specialty?

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

Is Mary Davies enrolled in Medicare?

Yes. Mary Davies 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 organization bills Medicare for Mary Davies's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Davies reassigns Medicare benefits to Yakima Neighborhood Health Services (Yakima, WA). The 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 Davies's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Davies accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Davies 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 Davies affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Mary Davies was last updated on September 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.