Dr. Joy Chang, MD
110 S Paca St, 4n149, Baltimore, MD 21201 • +1-374-555-8695
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Baltimore Percentiles
NPI #1154620540 • CBSA Regional • Psychiatry
Dr. Joy Chang, MD (NPI #1154620540) practices Psychiatry in Baltimore, MD (21201) with sub-specialty concentration in 9 Active CMS HCPCS Codes, recording 632 annual CMS services across 78 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Baltimore percentile) (-0.90σ vs MD state mean, 0th statewide percentile).
Dr. Chang's longitudinal care intensity (8.1 billed units per patient across 78 individuals) centers on 99214 (278 annual units) and 90833 ($119–$163 cash range).
For out-of-network patients contacting +1-374-555-8695, Dr. Chang's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.61/5 composite reality score over 20 submissions).
NPI registry verification (#1154620540) confirms Dr. Joy Chang's MD standing serving CBSA 21201 with a 4.61/5 patient scorecard.
Compared against Baltimore, MD Psychiatry peers
632 annual services across 78 beneficiaries
Standard deviations from MD Psychiatry mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Psychopharmacology Medication & Symptom Titration Visit | 278 | 12th | $165 – $226 |
| 90833 | Add-On Focused Psychotherapy w/ Medical Evaluation (30 min) | 177 | 12th | $119 – $163 |
| 99213 | Established Behavioral Health Maintenance Follow-Up | 101 | 12th | $126 – $172 |
| 90792 | Comprehensive Psychiatric Diagnostic & Medical Evaluation | 76 | 12th | $259 – $354 |
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Dr. Joy Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1154620540 (MD) | CMS NPPES Registry (21201) |
| Dr. Chang Baltimore CMS Volume Rank | 0.00th Pct (632 CMS svcs; Z -0.897σ) | CMS Medicare Part B (MD Psychiatry) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Baltimore, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.93/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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