CognitionCognition DisordersCognitive Dysfunction
Catherine Chang
NPI1700406725PAC ID2163880550
- Part D claims, 2024
- 212
- Publications
- 2
- Industry payments
- $52
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 6441 High Star Dr, Houston, TX 77074
- Practice phone
- Call (832) 548-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Legacy Community Health Services, Inc
Houston, Texas
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Catherine Chang is a psychiatrist in Houston, Texas
Catherine Chang practices at Legacy Community Health Services, Inc in Houston, Texas.
Catherine Chang's NPI, 1700406725, was assigned on April 20, 2020. Catherine Chang graduated from McGovern Medical School in 2020. Catherine Chang holds Texas license U2171.
NPI and contact details
- NPI
- 1700406725NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163880550
- NPI enumeration date
- April 20, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (832) 548-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Catherine Chang practices at Legacy Community Health Services, Inc in Houston, Texas
Catherine Chang's primary practice is Legacy Community Health Services, Inc, at 6441 High Star Dr, Houston, TX 77074 in Harris County. The practice phone is (832) 548-5000.
- Legacy Community Health Services, Inc6441 High Star Dr, Houston, TX 77074 · Harris CountyPhone(832) 548-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Catherine Chang is affiliated with 2 sites of care and 2 medical groups
Catherine Chang's primary practice is Legacy Community Health Services, Inc in Houston, Texas. The medical group on file is PsychPlus. Dmand AI also links Catherine Chang to 1 more community health center and 1 medical group, each named with a free account.
Legacy Community Health Services, IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Catherine Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Community Health Services, Inc | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine Chang is one of 2,406 psychiatrists in Texas
Psychiatry is Catherine Chang's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Catherine Chang is licensed in Texas.
Specialties and state licenses
- Psychiatry, TexasPrimary
Psychiatrists near Catherine Chang
Counts of psychiatrists 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
Catherine Chang's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Catherine Chang's median patient age at 37, with 71% women.
Catherine 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 37
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Catherine Chang wrote 212 Medicare Part D claims in 2024
In 2024, Catherine Chang wrote 212 Medicare Part D claims for 36 patients. 91% of them were for generic drugs. CMS names the drug for 80 of them, across 5 drugs with 11 or more claims each, at $1,309 in total drug cost. In 2023, CMS named 148 claims across 9 drugs.
Part D claims, 2024212
Drugs named by CMS5
Total drug cost$1,309
Part D patients36
Catherine Chang's Part D claims by kind of drug, 2024
- Generic192 claims91%
- Brand-name20 claims9%
Catherine Chang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Catherine Chang's Part D claims, 2024
- Antipsychotics, patients 65 and over8%16 of 212 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1482024: 8046%
Drugs named by CMS: 5 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Catherine Chang takes part in Medicare
Catherine Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Catherine Chang has 2 publications on record
Dmand AI links 2 papers to Catherine Chang, published from 2020 to 2021. The most frequent topics are Cognition, Cognition Disorders and Schizophrenia. Catherine Chang's most frequent co-authors are Thomas Richard Kosten, MD and Hanjing Wu, MD.
Papers2
Years published2020 to 2021
Topics Catherine Chang writes about most
- Cognition
- Cognition Disorders
- Schizophrenia
Catherine Chang's most frequent co-authors
Recent publications by Catherine Chang
Neuropsychopharmacology
CognitionCognition DisordersSchizophrenia
See who Catherine Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Catherine Chang works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Catherine Chang received $52 in industry payments in 2024
CMS Open Payments shows 2 general payments to Catherine Chang from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $32.
Companies that paid Catherine Chang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Catherine Chang graduated from McGovern Medical School
Catherine Chang graduated from McGovern Medical School in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Catherine Chang accepts plans from 14 insurance carriers
Catherine Chang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- United Healthcare
- +6 more carriersWith a free account
Plan types Catherine Chang accepts, by number of carriers
- PPO12
- Medicare8
- HMO6
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Catherine Chang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Catherine 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 Catherine Chang's NPI number?
Catherine Chang's NPI number is 1700406725. It was assigned on April 20, 2020, and it is active in the NPI Registry.
What does Catherine Chang specialize in?
Catherine Chang is a psychiatrist in Houston, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Catherine Chang practice?
Catherine Chang practices at 6441 High Star Dr, Houston, TX 77074. Catherine Chang's primary practice is Legacy Community Health Services, Inc in Houston, Texas. Dmand AI also links Catherine Chang to 1 community health center and 1 medical group.
What is Catherine Chang's office phone number?
The practice phone on file for Catherine Chang is (832) 548-5000.
What is Catherine Chang's medical license number?
Catherine Chang holds Texas license U2171.
What medical group is Catherine Chang part of?
Catherine Chang is linked to PsychPlus. Dmand AI links Catherine Chang to 1 more medical group.
Does Catherine Chang accept Medicare?
Yes. CMS lists Catherine Chang as accepting Medicare assignment.
Where did Catherine Chang go to medical school?
Catherine Chang graduated from McGovern Medical School in 2020.
What drugs does Catherine Chang prescribe most?
In 2024 Medicare Part D data, Catherine Chang's most prescribed drugs by claims were Aripiprazole, Trazodone HCl and Fluoxetine HCl.
Has Catherine Chang received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Catherine Chang from 2 companies from 2024 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
Show 4 more questionsShow fewer questions
How long has Catherine Chang been practicing?
Catherine Chang graduated from medical school in 2020, 6 years ago.
Does Catherine Chang do research?
Dmand AI links 2 publications to Catherine Chang, published from 2020 to 2021.
Who does Catherine Chang publish with?
Catherine Chang's most frequent co-authors are Thomas Richard Kosten, MD (1 shared paper) and Hanjing Wu, MD (1 shared paper).
What insurance does Catherine Chang accept?
Catherine Chang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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