Dr. Peter Chang, MD

  • La Grange, TX
  • Diagnostic radiologist
NPI1518928126
Medicare services, 2023
1,788
Part D claims, 2019
81
Publications
1
Industry payments
$414
Medical group
1
Practice address
1 St Marks Pl, La Grange, TX 78945
Practice phone
Call (512) 459-5158
Professional email
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Personal email
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Mobile number
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Social profiles

Medical group

Singleton Associates PA

Shenandoah, Texas

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Dr. Peter Chang is a diagnostic radiologist in La Grange, Texas

Dr. Chang practices with Singleton Associates PA, a medical group.

Dr. Chang's NPI, 1518928126, was assigned on March 31, 2006. Dr. Chang graduated from Joe R. & Teresa Lozano Long School of Medicine in 1979. Dr. Chang's Texas license number on file is F5492.

NPI and contact details
NPI enumeration date
March 31, 2006
NPI status
Active
Practice phone
(512) 459-5158
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
73
Medical school graduation
1979

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Peter Chang's practice address is in La Grange, Texas

Dr. Chang's practice address in the NPI Registry is 1 St Marks Pl, La Grange, TX 78945, in Fayette County. The practice phone is (512) 459-5158.

  • NPI Registry address
    1 St Marks Pl, La Grange, TX 78945 · Fayette CountyPhone(512) 459-5158

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Peter Chang is affiliated with 1 medical group

Dr. Chang is part of Singleton Associates PA, a medical group in Shenandoah, Texas.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Peter Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Singleton Associates PAAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Peter Chang is one of 2,616 diagnostic radiologists in Texas

Diagnostic radiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Chang is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Chang's licenses on file in 2 states: Texas and Florida.

Specialties and state licenses

  • Diagnostic radiology, TexasPrimaryLicense F5492 · 1980 to 2024 · taxonomy 2085R0202X
  • Florida license1986 to 1989

Diagnostic radiologists near Dr. Chang

Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Peter Chang billed Medicare for 1,788 services in 2023

CMS data shows 1,788 Medicare services from Dr. Chang across 37 procedure codes in 2023. Medicare paid $29,797 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20231,788
Paid by Medicare$29,797
Procedure codes37

Dr. Chang's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Imaging
2022: 5,2372023: 1,73167%
Tests and treatments
2022: 1512023: 5762%

Dr. Chang compared with the Texas median for diagnostic radiologists, 2023

  • Dr. Chang
  • Texas median
Medicare services
1,788vs 1,874Close to median
Part D claims
81vs 155.4 times

Medians across 2,414 diagnostic radiologists in Texas with Dmand AI profiles that report each measure.

Dr. Chang's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Peter Chang's patients have a median age of 29

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 29, with 100% women.

Dr. Chang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 29

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Peter Chang wrote 81 Medicare Part D claims in 2019

In 2019, Dr. Chang wrote 81 Medicare Part D claims. They cover 5 drugs, with $9,574 in total drug cost. In 2018, CMS named 65 claims across 3 drugs.

Part D claims, 201981
Drugs named by CMS5
Total drug cost$9,574

Dr. Chang's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 652019: 8125%

Drugs named by CMS: 5 in 2019, 3 in 2018.

See all prescribing by Dr. Chang

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Peter Chang has 1 publication on record

Dmand AI links 1 paper to Dr. Chang in 2020.

Papers1

Recent publications by Dr. Chang

See all 1 publications and co-authors

See who Dr. Chang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right diagnostic radiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Peter Chang received $414 in industry payments from 2016 to 2023

CMS Open Payments shows 11 general payments to Dr. Chang from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $228.

General payments to Dr. Chang by program year, 2016 to 2023

Companies that paid Dr. Chang the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Chang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Peter Chang graduated from Joe R. & Teresa Lozano Long School of Medicine

Dr. Chang graduated from Joe R. & Teresa Lozano Long School of Medicine in 1979. Dr. Chang is a member of SIR.

  1. Medical schoolJoe R. & Teresa Lozano Long School of Medicine
  2. Board certified in pediatricsAmerican Board of Pediatrics
  3. Board certified in diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Peter Chang accepts plans from 14 insurance carriers

Dr. Chang is in network with 14 carriers, including United Healthcare, Aetna and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • United Healthcare
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Alliant Health Plans
  • HCSC
  • Baylor Scott and White
  • Blue Cross and Blue Shield of Kansas City
  • +6 more carriersWith a free account

Plan types Dr. Chang accepts, by number of carriers

  1. HMO9
  2. PPO9
  3. EPO3
  4. POS3
  5. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Peter Chang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Peter Chang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Peter Chang's NPI number?

Dr. Peter Chang's NPI number is 1518928126. It was assigned on March 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter Chang?

Dr. Peter Chang is a diagnostic radiologist in La Grange, Texas. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Peter Chang practice?

Dr. Chang practices at 1 St Marks Pl, La Grange, TX 78945. Dr. Chang's primary practice is Singleton Associates PA, a medical group.

What is Dr. Peter Chang's office phone number?

The practice phone on file for Dr. Chang is (512) 459-5158.

What is Dr. Peter Chang's medical license number?

Dr. Chang's Texas license number on file is F5492, one of the licenses on file in 2 states.

Which states has Dr. Peter Chang been licensed in?

Dmand AI has state licenses on file for Dr. Chang in Texas (1980 to 2024) and Florida (1986 to 1989).

What medical group is Dr. Peter Chang part of?

Dr. Chang is part of Singleton Associates PA in Shenandoah, Texas.

Does Dr. Peter Chang accept Medicare?

Yes. CMS data shows Dr. Chang billed Medicare for 1,788 services in 2023.

Is Dr. Peter Chang board certified?

Yes. Dr. Chang is board certified in pediatrics by the American Board of Pediatrics.

What services does Dr. Peter Chang bill to Medicare?

In 2023, Dr. Chang's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and diagnostic imaging (70450).

Show 6 more questionsShow fewer questions

Where did Dr. Peter Chang go to medical school?

Dr. Chang graduated from Joe R. & Teresa Lozano Long School of Medicine in 1979.

What drugs does Dr. Peter Chang prescribe most?

In 2019 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Metoprolol Succinate, Carvedilol and Losartan Potassium.

Has Dr. Peter Chang received payments from drug or device companies?

CMS Open Payments shows $414 in general payments to Dr. Chang from 4 companies from 2016 to 2023. The largest total came from Boston Scientific Corporation.

How long has Dr. Peter Chang been practicing?

Dr. Chang graduated from medical school in 1979, 47 years ago.

Does Dr. Peter Chang do research?

Dmand AI links 1 publication to Dr. Chang.

What insurance does Dr. Peter Chang accept?

Dr. Chang is in network with 14 carriers, including United Healthcare, Aetna and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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