1. Home
  2. Directory
  3. Washington
  4. Tacoma
  5. Family Medicine
  6. NPI Profile

DR. MARIBETH THERESA DUFFY MD
NPI 1770669657
Family Medicine in Tacoma, WA

Active since October 31, 2006PECOS EnrolledAccepts Medicare Assignment
9040-A JACKSON AVE SUITE B, TACOMA, WA 98431(253) 968-0770 Get Directions Write a Review

NPPES record last updated: November 15, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 15, 2019, Aug 24, 2018 (2 updates tracked since 2018).

About Dr. Maribeth Theresa Duffy Md NPPES

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

DR. MARIBETH THERESA DUFFY MD (NPI 1770669657) is an individual family medicine provider in Tacoma, Washington, licensed in Washington (MD37453) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and is a graduate of George Washington University School Of Medicine (1992).

NPPES Registry Identity

NPI1770669657
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARIBETH THERESA DUFFYCredential: MD
Location Address9040-A JACKSON AVE SUITE BTacoma, WA 98431-0001
Mailing Address9040-a Jackson AveTacoma, WA 98431-0001 · (253) 968-0770
Phone(253) 968-0770
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1992
Enumeration DateOctober 31, 2006
Last NPPES UpdateNovember 15, 20192 updates tracked since enumeration
✔ NPI 1770669657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WA · MD37453
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
9040-A JACKSON AVE SUITE B, Tacoma, WA 98431
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.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. Maribeth Theresa Duffy 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 ID941397095
PECOS Enrollment IDI20071106000523
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 6

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 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.
159 services154 patients
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.
109 services107 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
47 services46 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
39 services20 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
29 services29 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Providence St Peter Hospital

Acute Care Hospitals · Olympia, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500024
Location413 Lilly Road NEOlympia, WA 98506 · Thurston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98431 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
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.

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 Maribeth Duffy's NPI number?

The NPI number for Maribeth Duffy is 1770669657. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Maribeth Duffy located?

Maribeth Duffy practices at 9040-A Jackson Ave Suite B, Tacoma, WA 98431. The listed phone number is (253) 968-0770.

What is Maribeth Duffy's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Maribeth Duffy enrolled in Medicare?

Yes. Maribeth Duffy 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 Maribeth Duffy accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Maribeth Duffy 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 Maribeth Duffy affiliated with any hospitals?

According to CMS data, Maribeth Duffy is affiliated with Providence St Peter Hospital.

When was this NPI record last updated?

The NPPES record for Maribeth Duffy was last updated on November 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.