MARIA ZAYKO D.O.
NPI 1184071045
Pathology - Anatomic Pathology & Clinical Pathology in Rochester, MN

Active since May 20, 2016PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 11, 2021, Oct 1, 2020, Jun 24, 2020 and 1 more (4 updates tracked since 2016).

About Maria Zayko D.o. NPPES

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

MARIA ZAYKO D.O. (NPI 1184071045) is an individual anatomic pathology & clinical pathology provider in Rochester, Minnesota, licensed in Minnesota (66718) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1184071045
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameMARIA ZAYKOCredential: D.O.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 20, 2016
Last NPPES UpdateApril 15, 20254 updates tracked since enumeration
NPPES CertifiedApril 15, 2025
NPI 1184071045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses Licensed in MN · 66718 Licensed in WA · OP61668556
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.

200 1ST ST SW, Rochester, MN 55905

Secondary Practice Locations 3

Location 1809 Lamont StMountain Home, TN 37684 · Phone (423) 439-6210
Location 21615 Delaware StLongview, WA 98632-2367 · Phone (360) 636-8760 · Fax (360) 414-7599
Location 3400 NE Mother Joseph PlVancouver, WA 98664-3200 · Phone (360) 514-2116 · Fax (360) 514-6517

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 Zayko D.o. 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 ID1759706260
PECOS Enrollment IDI20250424002228
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 27

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.
1,270 services689 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.
420 services133 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.
259 services227 patients
Microscopic genetic analysis of tumor, manual 88360
Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.
161 services67 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.
140 services87 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
102 services28 patients

Hospital Affiliations CMS Care Compare 5

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

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Columbia Memorial Hospital

Critical Access Hospitals · Astoria, OR
OwnershipProprietary
CMS Certification Number381320
Location2111 Exchange StreetAstoria, OR 97103 · Clatsop County
Emergency services Birthing friendly

Peacehealth St John Medical Center

Acute Care Hospitals · Longview, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500041
Location1615 Delaware StreetLongview, WA 98632 · Cowlitz County
Emergency services Birthing friendly

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500050
Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County
Emergency services Birthing friendly

Arbor Health Morton Hospital

Critical Access Hospitals · Morton, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501319
Location521 Adams StreetMorton, WA 98356 · Lewis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

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 Zayko's NPI number?

The NPI number for Maria Zayko is 1184071045. It was assigned to this individual provider in the NPPES registry on May 20, 2016.

Where is Maria Zayko located?

Maria Zayko practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Maria Zayko's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Maria Zayko enrolled in Medicare?

Yes. Maria Zayko 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 Zayko accept?

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

According to CMS data, Maria Zayko is affiliated with Ohsu Hospital And Clinics, Columbia Memorial Hospital, Peacehealth St John Medical Center, Peacehealth Southwest Medical Center and Arbor Health Morton Hospital.

When was this NPI record last updated?

The NPPES record for Maria Zayko was last updated on April 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.