Dr. Michael Chang, DO
2405 Shadelands DR, Walnut Creek, CA 94598 • +1-216-555-7832
Medical Education: Accredited U.S. Medical School (Class of 2013)
What This Doctor Actually Performs: CMS Medicare Utilization & Walnut Creek Percentiles
NPI #1205934262 • CBSA Regional • Physical Medicine and Rehabilitation
Within the Walnut Creek, CA (CBSA local) Physical Medicine and Rehabilitation cohort, Dr. Michael Chang, DO with sub-specialty concentration in 55 Active CMS HCPCS Codes ranks at the 71.43th municipal percentile and 63.84th CA percentile (-0.14σ Z-score) based on 3,967 billed procedures for 1,080 patients.
Among 6 tracked CMS fee-schedule codes for Dr. Chang (averaging 3.7 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 42% of tracked volume (1665 encounters), paired with 99213 (962x).
Uninsured and high-deductible cash patients visiting Dr. Michael Chang in Walnut Creek (94598) face an estimated $239.00 initial evaluation fee at 2405 Shadelands DR (in-person clinic visits only; 18-minute average reception wait; bedside manner 4.61/5 from 6 verified reports).
Clinical background for Dr. Chang (DO, NPI #1205934262) includes accredited doctoral training (2013, 13 yrs in practice) and dedicated on-site consultations at 2405 Shadelands DR.
Compared against Walnut Creek, CA Physical Medicine and Rehabilitation peers
3,967 annual services across 1,080 beneficiaries
Standard deviations from CA Physical Medicine and Rehabilitation mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 1,665 | 71.43th | $235 – $322 |
| 99213 | Established Preventive & Chronic Care Visit | 962 | 75.43th | $180 – $246 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 481 | 71.43th | $86 – $118 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 370 | 76.43th | $276 – $378 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 222 | 71.43th | $327 – $448 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (55 HCPCS billing breadth) | 266 | 71.43th | $212 – $307 |
Are you Dr. Michael Chang? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Walnut Creek, CA:
<a href="https://dotmd.com/doctors/michael-chang-do-walnut-creek-ca-1205934262" title="Dr. Michael Chang, DO - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1205934262.svg" alt="Dr. Michael Chang Physical Medicine and Rehabilitation Badge" width="280" height="72" /></a>
Dr. Michael Chang, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1205934262 (DO) | CMS NPPES Registry (94598) |
| Dr. Chang Walnut Creek CMS Volume Rank | 71.43th Pct (3,967 CMS svcs; Z -0.138σ) | CMS Medicare Part B (CA Physical Medicine and Rehabilitation) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Walnut Creek, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Michael Chang
Other High-Volume Physical Medicine and Rehabilitation Specialists in Walnut Creek, CA
Ranked strictly by CMS Medicare volumeDr. Chang Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Walnut Creek, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Michael Chang community threads and patient logs by age, biological sex, dosage, and treatment duration.