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
- 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
- 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
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
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 Vernon Hills Obstetrics & Gynecology Physician, average services per provider: 42. This provider delivers 6.7× the peer median.Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. Mary Faith Terkildsen's medical specialty?
Dr. Mary Faith Terkildsen practices Obstetrics & Gynecology Physician in Vernon Hills, IL.
Where does Dr. Mary Faith Terkildsen practice?
Dr. Mary Faith Terkildsen practices at 225 N Milwaukee Ave, Vernon Hills, IL 600614304. Office phone: 8479417600.
What is Dr. Mary Faith Terkildsen's NPI?
Dr. Mary Faith Terkildsen's National Provider Identifier (NPI) is 1407870199, issued by NPPES.
Does Dr. Mary Faith Terkildsen accept Medicare assignment?
Yes. Dr. Mary Faith Terkildsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Faith Terkildsen commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); 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.