Doctor profile · Federal record

Dr. Mark Wasylenko, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Glendale, AZ

  • NPI 1245207653
  • Accepts Medicare
  • MIPS 88.6 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5555 W Thunderbird RD
Glendale, AZ 853064622
(602) 685-5211
fax (602) 685-5325
Mailing address
Po Box 42210
Phoenix, AZ 850802210

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
August 4, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Arizona #32278
Medicaid
AZ #647696

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245207653. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,314
Distinct HCPCS
10
Medicare allowed
$53,942
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 441 250 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 169 35 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 150 89 $79
88112 Cell examination of specimen, selective cellular enhancement technique 90 77 $26
88360 Microscopic genetic analysis of tumor, manual 83 34 $40
88305 Pathology examination of tissue using a microscope, intermediate complexity 58 35 $68
88342 Special stained specimen slides to examine tissue, initial procedure 58 51 $33
88304 Pathology examination of tissue using a microscope, moderately low complexity 47 45 $11
88311 Preparation of tissue for examination by removing any calcium present 40 33 $12
88300 Pathology examination of tissue using a microscope, limited examination 35 31 $4

In context: peer comparison

Among 3 peers in Glendale Anatomic Pathology & Clinical Pathology Physician, average services per provider: 112. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 2 $42.56

By nature of payment

Food and Beverage
$43

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Wasylenko's medical specialty?
Dr. Mark Wasylenko practices Anatomic Pathology & Clinical Pathology Physician in Glendale, AZ.
Where does Dr. Mark Wasylenko practice?
Dr. Mark Wasylenko practices at 5555 W Thunderbird RD, Glendale, AZ 853064622. Office phone: 6026855211.
What is Dr. Mark Wasylenko's NPI?
Dr. Mark Wasylenko's National Provider Identifier (NPI) is 1245207653, issued by NPPES.
Does Dr. Mark Wasylenko accept Medicare assignment?
Yes. Dr. Mark Wasylenko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Wasylenko commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.