What is Maria Zayko's NPI number?

Maria Zayko's National Provider Identifier (NPI) is 1184071045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maria Zayko's specialty?

Maria Zayko is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).

Where is Maria Zayko located?

Maria Zayko's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.

What is Maria Zayko's phone number?

The practice phone number listed in the NPPES registry for Maria Zayko is (507) 284-2511.

Does Maria Zayko accept Medicare?

Maria Zayko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Maria Zayko's NPI active?

Yes — Maria Zayko's NPI (1184071045) is active in the NPPES registry as of the last update on 2025-04-15.

IndividualActiveAccepts Medicare

Maria Zayko, D.O.

NPI 1184071045 · Anatomic Pathology & Clinical Pathology Physician · Rochester, MN

Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Maria Zayko, D.O. is a Anatomic Pathology & Clinical Pathology Physician provider in Rochester, MN (NPI 1184071045).

Provider details

NPI number: 1184071045
Entity type: Individual
Primary specialty: Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Female
Sole proprietor: No
License: OP61668556 (WA)

Specialties & taxonomies

Anatomic Pathology & Clinical Pathology PhysicianPrimary207ZP0102XLicense 66718 (MN)
Allopathic & Osteopathic Physicians
Anatomic Pathology & Clinical Pathology Physician207ZP0102XLicense OP61668556 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(82/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
10 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
4 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
3,280 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305	1,270	$34
Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341	420	$26
Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342	259	$32
Microscopic Genetic Analysis of Tumor, Manual88360	161	$38
Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307	140	$74
Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313	102	$11

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$171 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Practice location

200 1st St Sw

Rochester, MN 55905-0001

Phone: (507) 284-2511

Approximate (ZIP-level) locationGet directions

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Mailing address