Doctor profile · Federal record

Dr. Julia Willner, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Orange, CA

  • NPI 1891974655
  • Accepts Medicare
  • MIPS 67.3 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-6707
Mailing address
200 S Manchester Ave Ste 130
Orange, CA 928683216

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A96859

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891974655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$2,669
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 21 14 $100
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 13 13 $44

In context: peer comparison

Among 6 peers in this city , average services per provider: 19. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
23
Total drug cost
$4,306
Drug Type Claims Patients Total cost
Estradiol Generic 58 23 $4,306

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julia Willner's medical specialty?
Dr. Julia Willner practices Obstetrics & Gynecology Physician in Orange, CA.
Where does Dr. Julia Willner practice?
Dr. Julia Willner practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144566707.
What is Dr. Julia Willner's NPI?
Dr. Julia Willner's National Provider Identifier (NPI) is 1891974655, issued by NPPES.
Does Dr. Julia Willner accept Medicare assignment?
Yes. Dr. Julia Willner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julia Willner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.