MARIA TRETIAKOVA
NPI 1427341791
Pathology - Clinical Pathology/Laboratory Medicine in Seattle, WA

Active since May 19, 2011PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
325 9TH AVE, SEATTLE, WA 98104(206) 744-3145 Get Directions Write a Review

NPPES record last updated: January 7, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Maria Tretiakova NPPES

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

MARIA TRETIAKOVA (NPI 1427341791) is an individual clinical pathology/laboratory medicine provider in Seattle, Washington, licensed in Washington (MD60292757) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1427341791
Entity TypeIndividualFemale
Primary Taxonomy207ZP0105X
Provider Legal NameMARIA TRETIAKOVA
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateMay 19, 2011
Last NPPES UpdateJanuary 7, 2013
NPI 1427341791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
License Licensed in WA · MD60292757
Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

325 9TH AVE, Seattle, WA 98104

Other Identifiers 1

Medicaid1427341791WA

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

Maria Tretiakova 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 ID7315199098
PECOS Enrollment IDI20121203000311
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 7

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
152 services92 patients
Surgical pathology consultation and report on referred slides prepared elsewhere 88321
A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.
146 services143 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
118 services71 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
83 services33 patients
Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416
This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.
64 services63 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
47 services46 patients

Hospital Affiliations CMS Care Compare 2

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

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Harborview Medical Center

Acute Care Hospitals · Seattle, WA
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500064
Location325 9th AvenueSeattle, WA 98104 · King 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.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
Occupational Therapist
325 9TH AVE
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 Maria Tretiakova's NPI number?

The NPI number for Maria Tretiakova is 1427341791. It was assigned to this individual provider in the NPPES registry on May 19, 2011.

Where is Maria Tretiakova located?

Maria Tretiakova practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-3145.

What is Maria Tretiakova's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Maria Tretiakova enrolled in Medicare?

Yes. Maria Tretiakova 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 Maria Tretiakova accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Maria Tretiakova 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 Maria Tretiakova affiliated with any hospitals?

According to CMS data, Maria Tretiakova is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Tretiakova was last updated on January 7, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.