Doctor profile · Federal record

Dr. Ann Mary Ligman-Schliem, DNP, FNP- B.C.

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

  • NPI 1144862137
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1200 W State St
Rockford, IL 611022112
(815) 490-1600
fax (815) 490-1881
Additional location
1038 E Geneva St
Delavan, WI 531151921
(262) 728-4301
fax (262) 728-8304

Credentials & registration

NPPES · NUCC
NPI registered
October 2019 — 7 yrs on file
Profile last updated
September 23, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Wisconsin #13388-33 · Illinois #209020208

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144862137. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
245
Distinct HCPCS
4
Medicare allowed
$19,451
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 168 118 $76
99213 Established patient office or other outpatient visit, 20-29 minutes 30 27 $53
99215 Established patient office or other outpatient visit, 40-54 minutes 28 24 $114
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 19 19 $98

In context: peer comparison

Among 61 peers in Rockford Family Nurse Practitioner, average services per provider: 120. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$150
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $150.00

By nature of payment

Food and Beverage
$150

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
990
Patients
603
Total drug cost
$14,017
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 129 74 $1,890
Levothyroxine Sodium Generic 126 68 $1,600
Amlodipine Besylate Generic 87 52 $809
Lisinopril Generic 75 46 $871
Rosuvastatin Calcium Generic 70 41 $1,251
Hydrochlorothiazide Generic 60 36 $297
Losartan Potassium Generic 57 33 $856
Metformin Hcl ER (Metformin Hcl) Brand 57 35 $630
Fluticasone Propionate Generic 55 44 $885
Gabapentin Generic 52 29 $1,105

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Mary Ligman-Schliem's medical specialty?
Dr. Ann Mary Ligman-Schliem practices Family Nurse Practitioner in Rockford, IL.
Where does Dr. Ann Mary Ligman-Schliem practice?
Dr. Ann Mary Ligman-Schliem practices at 1200 W State St, Rockford, IL 611022112. Office phone: 8154901600.
What is Dr. Ann Mary Ligman-Schliem's NPI?
Dr. Ann Mary Ligman-Schliem's National Provider Identifier (NPI) is 1144862137, issued by NPPES.
Does Dr. Ann Mary Ligman-Schliem accept Medicare assignment?
Yes. Dr. Ann Mary Ligman-Schliem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Mary Ligman-Schliem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.