Doctor profile · Federal record

Dr. Peggy Knowski, NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Springfield, IL

  • NPI 1497093264
  • Accepts Medicare
  • MIPS 72.1 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 N 1St St
Springfield, IL 627810001
(217) 788-3000
fax (217) 788-5515

Credentials & registration

NPPES · NUCC
NPI registered
January 2013 — 13 yrs on file
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209010183

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497093264. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
2
Medicare allowed
$6,726
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 46 43 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 30 30 $106

In context: peer comparison

Among 97 peers in this city , average services per provider: 140. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
63
Patients
61
Total drug cost
$400
Drug Type Claims Patients Total cost
Prednisone Generic 23 22 $49
Doxycycline Monohydrate Generic 21 20 $220
Cephalexin Generic 19 19 $131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peggy Knowski's medical specialty?
Dr. Peggy Knowski practices Family Nurse Practitioner in Springfield, IL.
Where does Dr. Peggy Knowski practice?
Dr. Peggy Knowski practices at 701 N 1St St, Springfield, IL 627810001. Office phone: 2177883000.
What is Dr. Peggy Knowski's NPI?
Dr. Peggy Knowski's National Provider Identifier (NPI) is 1497093264, issued by NPPES.
Does Dr. Peggy Knowski accept Medicare assignment?
Yes. Dr. Peggy Knowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peggy Knowski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.