Doctor profile · Federal record

Dr. Patricia Nielsen, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Nurse Practitioner · Olympia Fields, IL

  • NPI 1649463811
  • Accepts Medicare
  • MIPS 98.4 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20201 Crawford Ave
Olympia Fields, IL 604611010
(844) 740-4445
fax (708) 679-2161
Additional location
1423 Chicago RD
Chicago Heights, IL 604113400
(708) 747-4000
Mailing address
35318 Eagle Way
Chicago, IL 606781353

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
July 28, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (3)
Illinois #209006605 · Illinois #041357191 · Illinois #209-006605

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649463811. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
183
Distinct HCPCS
2
Medicare allowed
$22,254
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 112 109 $103
99285 Emergency department visit with high level of medical decision making 71 69 $151

In context: peer comparison

Among 8 peers in Olympia Fields Family Nurse Practitioner, average services per provider: 56. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
106
Total drug cost
$471
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 28 $109
Tramadol Hcl Generic 22 22 $34
Cephalexin Generic 15 15 $146
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 15 $79
Ibuprofen Generic 14 14 $72
Prednisone Generic 13 12 $31

Frequently asked questions

Auto-generated from federal data
What is Dr. Patricia Nielsen's medical specialty?
Dr. Patricia Nielsen practices Family Nurse Practitioner in Olympia Fields, IL.
Where does Dr. Patricia Nielsen practice?
Dr. Patricia Nielsen practices at 20201 Crawford Ave, Olympia Fields, IL 604611010. Office phone: 8447404445.
What is Dr. Patricia Nielsen's NPI?
Dr. Patricia Nielsen's National Provider Identifier (NPI) is 1649463811, issued by NPPES.
Does Dr. Patricia Nielsen accept Medicare assignment?
Yes. Dr. Patricia Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.