Doctor profile · Federal record

Dr. Grace Siekman, P.A.-C

Physician Assistant · Physician Assistant · Sun City, AZ

  • NPI 1316032683
  • MIPS 74.0 / 100 · 2023
  • 20 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10401 W Thunderbird Blvd
Sun City, AZ 853513004
(623) 876-5366
fax (623) 974-7520

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 18, 2011
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Arizona #3632 · Colorado #994

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316032683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
2
Medicare allowed
$11,803
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 71 71 $145
99284 Emergency department visit with moderate level of medical decision making 15 15 $100

In context: peer comparison

Among 13 peers in this city , average services per provider: 126. This provider delivers 0.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Siekman's medical specialty?
Dr. Grace Siekman practices Physician Assistant in Sun City, AZ.
Where does Dr. Grace Siekman practice?
Dr. Grace Siekman practices at 10401 W Thunderbird Blvd, Sun City, AZ 853513004. Office phone: 6238765366.
What is Dr. Grace Siekman's NPI?
Dr. Grace Siekman's National Provider Identifier (NPI) is 1316032683, issued by NPPES.
What procedures does Dr. Grace Siekman commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.