Dr. Peter Chang, MD
What this data tells you about Dr. Chang
Dr. Peter Chang is a family medicine in San Angelo, TX, with 20 years in practice. Based on federal Medicare data, Dr. Chang performed 4,964 Medicare services across 1,275 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chang received a total of $15,099 from 45 pharmaceutical and/or device companies across 421 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Chang is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 857 | $28 | $80 |
| Steroid injection (triamcinolone) | 613 | $1 | $4 |
| Office visit, established patient (20-29 min) | 595 | $54 | $178 |
| Office visit, established patient (30-39 min) | 567 | $83 | $253 |
| Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days | 418 | $39 | $366 |
| Drug injection, under skin or into muscle | 407 | $9 | $53 |
| Remote patient monitoring management, 20 min/month | 372 | $34 | $98 |
| Ceftriaxone antibiotic injection | 368 | $0 | $5 |
| Injection, ketorolac tromethamine, per 15 mg | 188 | $0 | $20 |
| Remote patient monitoring device, 30 days | 150 | $34 | $120 |
| Blood draw (venipuncture) | 116 | $8 | $16 |
| Annual wellness visit, follow-up | 72 | $121 | $258 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 67 | $155 | $327 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 61 | $1 | $30 |
| Flu vaccine administration | 24 | $30 | $58 |
| Urinalysis, manual | 23 | $3 | $17 |
| Flu vaccine, high-dose | 20 | $72 | $163 |
| New patient office visit (30-44 min) | 20 | $57 | $218 |
| Transitional care management services for problem of at least moderate complexity | 15 | $152 | $402 |
| Pneumonia vaccine administration | 11 | $30 | $40 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
The majority of payments (59%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers. Total industry engagement is in the top 2% for family medicine in TX.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Chang is a clinical cardiology specialist, with above-average Medicare volume (top 4% in TX), and high industry engagement (consulting-driven, top 2%), with 20 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Chang experienced with management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes?
Does Dr. Chang receive payments from pharmaceutical companies?
How do Dr. Chang's costs compare to other family medicines in San Angelo?
What does Data Coverage mean?
Is this data up to date?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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