Doctor profile · Federal record

Dr. Marian Zalewski

Physician Assistant · Scottsdale, AZ

  • NPI 1508413212
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13400 E Shea Blvd
Scottsdale, AZ 852595452
(480) 301-8000

Credentials & registration

NPPES · NUCC
NPI registered
August 2019 — 7 yrs on file
Profile last updated
October 9, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Arizona #7547

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508413212. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
4
Medicare allowed
$19,853
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 74 47 $66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 59 48 $99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 45 45 $144
99239 Hospital discharge day management, more than 30 minutes 28 28 $95

In context: peer comparison

Among 117 peers in this city , average services per provider: 422. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marian Zalewski's medical specialty?
Dr. Marian Zalewski practices Physician Assistant in Scottsdale, AZ.
Where does Dr. Marian Zalewski practice?
Dr. Marian Zalewski practices at 13400 E Shea Blvd, Scottsdale, AZ 852595452. Office phone: 4803018000.
What is Dr. Marian Zalewski's NPI?
Dr. Marian Zalewski's National Provider Identifier (NPI) is 1508413212, issued by NPPES.
Does Dr. Marian Zalewski accept Medicare assignment?
Yes. Dr. Marian Zalewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marian Zalewski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.