DR. MARK A WASYLENKO (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1245207653
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
284 PATHOLOGY in AZ
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Provider Addresses for DR. MARK A WASYLENKO (MD)
PO BOX 42210
PHOENIX, AZ 850802210
Phone: (623) 889-7403
Fax: (623) 889-7407
Type: Mailing
Banner Thunderbird Medical Center, 5555, West Thunderbird Road, Glendale, Maricopa County, Arizona, 85306, United States
GLENDALE, AZ 853064622
Phone: (602) 685-5211
Fax: (602) 685-5325
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $2,213.
Total Amount is formed as General ($2,213) + Research ($0) + Ownership ($0) = $2,213.
Last reported payment date: 2024-06-06 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($2,193).
Total Amount
$2,213
General + Research + Ownership
Payments
4
Total payment records
General Amount
$2,213
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $2,193 |
| Merck Sharp & Dohme LLC | $20 |
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: 2004-05-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20040506000078 | I | Pathology | AZ | 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 | 499 | 285 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 169 | 35 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 150 | 89 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 90 | 77 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 83 | 34 | $0 |
Insurance plans in this area (ZIP 85080)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | AZ | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 50 | 48 |
| PATHOLOGY | AZ | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 93 | 53 |
| PATHOLOGY | AZ | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 19 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AZ | |
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | CA | |
| P A T H O L O G Y | FL | |
| - | AZ | |
| P A T H O L O G Y | AZ | |
| P A T H O L O G Y | AZ | |
| - | AZ | |
| P A T H O L O G Y | NC | |
| - | AZ |
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