Dr. Olivia Chang, MD
101 The City DR S, Orange, CA 92868 • +1-733-555-3677
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Orange Percentiles
NPI #1881936862 • CBSA Regional • Obstetrics & Gynecology
CMS Medicare Part B utilization records credit Dr. Olivia Chang (MD, NPI 1881936862) at 101 The City DR S in Orange with 4,704 annual clinical services (291 beneficiaries), corresponding to a +0.35σ regional deviation and upper-quartile active clinical volume (66.67th Orange percentile) with sub-specialty concentration in 69 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 101 The City DR S shows Dr. Olivia Chang's primary concentration in Gynecologic, Menopause HRT & Endocrine Follow-Up (code 99214: 415x/yr, 66.67th local percentile) alongside Transvaginal Pelvic & Ovarian Diagnostic Ultrasound (76830: 255x/yr, $86–$118).
At 101 The City DR S (92868), Dr. Olivia Chang, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.76/5 bedside rating).
Patients evaluating Dr. Olivia Chang in ZIP 92868 note 21 years of post-doctoral tenure (null, 2005) alongside 16.2 annual CMS procedures per patient.
Compared against Orange, CA Obstetrics & Gynecology peers
4,704 annual services across 291 beneficiaries
Standard deviations from CA Obstetrics & Gynecology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Gynecologic, Menopause HRT & Endocrine Follow-Up | 415 | 66.67th | $67 – $92 |
| 76830 | Transvaginal Pelvic & Ovarian Diagnostic Ultrasound | 255 | 65.67th | $86 – $118 |
| 99213 | Established Women’s Health & Preventive Care Visit | 213 | 70.67th | $53 – $72 |
| 58100 | Endometrial Sampling Biopsy w/ Cannula | 96 | 70.67th | $90 – $124 |
| 99204 | Comprehensive New Patient OB/GYN & Hormone Evaluation | 85 | 68.67th | $95 – $130 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (69 HCPCS billing breadth) | 3,640 | 66.67th | $61 – $88 |
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Dr. Olivia Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1881936862 (MD) | CMS NPPES Registry (92868) |
| Dr. Chang Orange CMS Volume Rank | 66.67th Pct (4,704 CMS svcs; Z +0.353σ) | CMS Medicare Part B (CA Obstetrics & Gynecology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Orange, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 13 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.76/5 Listening • 4.56/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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