MATTHEW D DAVIES MD
NPI 1902892680
Internal Medicine - Endocrinology, Diabetes & Metabolism in Seattle, WA

Active since September 27, 2005PECOS EnrolledAccepts Medicare Assignment
88.39/100
CMS Quality Rating
515 MINOR AVE, STE 300, SEATTLE, WA 98104(206) 386-9500(206) 386-9605 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Matthew D Davies Md NPPES

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

MATTHEW D DAVIES MD (NPI 1902892680) is an individual endocrinology, diabetes & metabolism provider in Seattle, Washington, licensed in Washington (MD00042631) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Swedish Edmonds Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1902892680
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameMATTHEW D DAVIESCredential: MD
Location Address515 MINOR AVE, STE 300Seattle, WA 98104-2120
Mailing AddressPo Box 3489Seattle, WA 98114-3489
Fax(206) 386-9605
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateSeptember 27, 2005
Last NPPES UpdateMay 19, 2021
NPPES CertifiedApril 27, 2021
NPI 1902892680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in WA · MD00042631
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

515 MINOR AVE, Seattle, WA 98104

Secondary Practice Locations 2

Location 11124 Columbia St Ste 400Seattle, WA 98104-2053 · Phone (206) 215-2440 · Fax (206) 215-2457
Location 21229 Madison St Ste 1500Seattle, WA 98104-3591 · Phone (206) 292-2200 · Fax (206) 292-7967

Other Identifiers 4

Medicaid8356230WA
OtherMD5200WWA · Alaska Dshs
OtherP00048973WA · Rr Medicare
Other173172WA · L & I

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

Matthew D 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 ID3678618683
PECOS Enrollment IDI20100302000606
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 8

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, 30-39 minutes 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.
369 services285 patients
Diabetes outpatient self-management training services, individual, per 30 minutes G0108
This service involves personalized training sessions, each lasting 30 minutes, to help manage diabetes. It includes guidance on monitoring blood sugar, healthy eating, physical activity, medication usage, and dealing with daily challenges of living with diabetes.
123 services51 patients
Established patient office or other outpatient visit, 20-29 minutes 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.
111 services108 patients
Established patient office or other outpatient visit, 40-54 minutes 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services45 patients
New patient office or other outpatient visit, 45-59 minutes 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
34 services34 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin 95249
Continuous monitoring of blood sugar involves a small sensor inserted under the skin. This sensor measures glucose levels in tissue fluid throughout the day and night, providing real-time readings. It aids in managing diabetes effectively.
17 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Swedish Edmonds Hospital

Acute Care Hospitals · Edmonds, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500026
Location21601 76th Avenue WestEdmonds, WA 98026 · Snohomish County
Emergency services Birthing friendly

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

Jefferson Healthcare

Critical Access Hospitals · Port Townsend, WA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501323
Location834 Sheridan StreetPort Townsend, WA 98368 · Jefferson County
Emergency services Birthing friendly

Peacehealth Peace Island Medical Center

Critical Access Hospitals · Friday Harbor, WA
OwnershipVoluntary non-profit - Private
CMS Certification Number501340
Location1117 Spring StreetFriday Harbor, WA 98250 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.25
Promoting Interoperability81
Improvement Activities40

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.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
10 suppliers34 claims445 services$18.27 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
10 suppliers33 claims1,120 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
43 suppliers144 claims591 services$5.83 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
18 suppliers44 claims95 services$0.87 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
5 suppliers27 claims27 services$306.14 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
6 suppliers23 claims2,680 services$7.17 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 20

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

Internal Medicine (Gastroenterology)
515 MINOR AVE, SUITE 220
SEATTLE, WA 98104
Physician Assistant
515 MINOR AVE, SUITE 300
SEATTLE, WA 98104
Internal Medicine (Rheumatology)
515 MINOR AVE, STE 300
SEATTLE, WA 98104
Internal Medicine (Pulmonary Disease)
515 MINOR AVE, #300
SEATTLE, WA 98104
Nurse Practitioner
515 MINOR AVE, STE 300
SEATTLE, WA 98104
Nurse Practitioner
515 MINOR AVE, SUITE 300
SEATTLE, WA 98104
Internal Medicine
515 MINOR AVE, SUITE 300
SEATTLE, WA 98104
Nurse Practitioner
515 MINOR AVE, STE 210
SEATTLE, WA 98104

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 Matthew Davies's NPI number?

The NPI number for Matthew Davies is 1902892680. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Where is Matthew Davies located?

Matthew Davies practices at 515 Minor Ave Ste 300, Seattle, WA 98104. The listed phone number is (206) 386-9500.

What is Matthew Davies's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Matthew Davies enrolled in Medicare?

Yes. Matthew 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.

What insurance does Matthew Davies accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Matthew 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 Matthew Davies affiliated with any hospitals?

According to CMS data, Matthew Davies is affiliated with Swedish Edmonds Hospital, Swedish Medical Center, Olympic Medical Center, Jefferson Healthcare and Peacehealth Peace Island Medical Center.

When was this NPI record last updated?

The NPPES record for Matthew Davies was last updated on May 19, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.