Doctor profile · Federal record

Dr. MARY FAITH TERKILDSEN, MD

Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · VERNON HILLS, IL

  • NPI 1407870199
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
225 N MILWAUKEE AVE
VERNON HILLS, IL 600614304
(847) 941-7600
fax (847) 941-7697
Mailing address
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 602011718

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 8, 2020
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036103018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407870199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
282
Distinct HCPCS
4
Medicare allowed
$14,646
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 131 131 $30
99213 Established patient office or other outpatient visit, 20-29 minutes 67 52 $69
99214 Established patient office or other outpatient visit, 30-39 minutes 55 50 $102
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 29 29 $19

In context: peer comparison

Among 6 peers in this city , average services per provider: 42. This provider delivers 6.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
378
Patients
108
Total drug cost
$53,920
Drug Type Claims Patients Total cost
Estradiol Generic 175 78 $30,780
Triamcinolone Acetonide Generic 30 18 $158
Alendronate Sodium Generic 20 0 $258
Clobetasol Propionate Generic 18 12 $1,286
Norethindrone Acetate Generic 18 0 $2,355
Valacyclovir (Valacyclovir Hcl) Brand 18 0 $961
Intrarosa (Prasterone (Dhea)) Brand 16 0 $5,360
Solifenacin Succinate Generic 14 0 $424
Ibandronate Sodium Generic 12 0 $736
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 12 0 $191

Hospital affiliations

CMS Hospital Compare