MARIA ZAYKO (D.O.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1184071045
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
518 PATHOLOGY in MN
Provider Addresses for MARIA ZAYKO (D.O.)
200 1ST ST SW
ROCHESTER, MN 559050001
Phone: (507) 284-2511
Type: Mailing
809 Lamont St
Mountain Home, TN 37684
Phone: (423) 439-6210
Type: Location
400 NE Mother Joseph Pl
Vancouver, WA 986643200
Phone: (360) 514-2116
Fax: (360) 514-6517
Type: Location
1615 Delaware St
Longview, WA 986322367
Phone: (360) 636-8760
Fax: (360) 414-7599
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $333.
Total Amount is formed as General ($333) + Research ($0) + Ownership ($0) = $333.
Last reported payment date: 2024-06-02 • Largest payer in this snapshot: Stryker Corporation ($333).
Total Amount
$333
General + Research + Ownership
Payments
2
Total payment records
General Amount
$333
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $333 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-04-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210719000358 | I | Pathology | IN | TBD |
| I20250424002228 | I | Pathology | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 1,287 | 711 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 355 | 112 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 289 | 248 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 148 | 58 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 91 | 29 | $0 |
Insurance plans in this area (ZIP 55905)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | WA | |
| Physician Assistant | CA | |
| Family Practice | WA | |
| - | WA | |
| - | WA | |
| P S Y C H I A T R Y | WA | |
| Physical Medicine And Rehabilitation | WA | |
| - | VA | |
| Family Practice | WA | |
| Physician Assistant | WA |
Reviews
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