Annie L. Chang, PA-C
- Medicare services, 2024
- 304
- Medicare patients, 2024
- 92
- Part D claims, 2024
- 489
- MIPS score, 2024
- 97
- Industry payments
- $3,842
- Practice address
- 4603 Farm To Market Rd 1463rd Rd, Katy, TX 77494
- Practice phone
- Call (281) 612-0050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elite Dermatology
Katy, Texas
Find Annie Chang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Annie L. Chang is a physician assistant in Katy, Texas
Annie Chang practices at Elite Dermatology in Katy, Texas.
Annie Chang's NPI, 1992339881, was assigned on February 28, 2020. Annie Chang holds Texas license PA13252.
- NPI
- 1992339881NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426461260
- NPI enumeration date
- February 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 612-0050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Annie L. Chang practices at Elite Dermatology in Katy, Texas
Annie Chang's primary practice is Elite Dermatology, at 4603 Farm To Market Rd 1463rd Rd, Katy, TX 77494 in Fort Bend County. The practice phone is (281) 612-0050.
- Elite Dermatology4603 Farm To Market Rd 1463rd Rd, Katy, TX 77494 · Fort Bend CountyPhone(281) 612-0050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Annie L. Chang is affiliated with 3 sites of care and 3 medical groups
Annie Chang's primary practice is Elite Dermatology in Katy, Texas. The medical group on file is Elite Dermatology & Plastic Surgery. Dmand AI also links Annie Chang to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Annie L. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Annie Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elite Dermatology | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Annie L. Chang is one of 8,663 physician assistants in Texas
Physician assistant is Annie Chang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Annie Chang is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Clinical focus
Dmand AI lists acute skin infection, contact dermatitis, itchy rashes, psoriasis, scalp rash and tobacco use among the conditions Annie Chang treats.
Physician assistants near Annie Chang
Counts of physician assistants 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
Annie L. Chang billed Medicare for 304 services in 2024
CMS data shows 304 Medicare services from Annie Chang across 8 procedure codes in 2024, for 92 Medicare patients. Medicare paid $12,242 for them. Every service was in an office.
Annie Chang's Medicare services by type, 2024
- Surgery209
- Office and hospital visits95
Annie Chang compared with the Texas median for physician assistants, 2024
- Annie Chang
- Texas median
- Medicare services
- 304vs 22933% above
- Medicare patients
- 92vs 997% below
- Part D claims
- 348vs 29618% above
Medians across 5,541 physician assistants in Texas with Dmand AI profiles that report each measure.
Annie Chang's most billed Medicare procedure codes, 2024
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
Annie L. Chang treated 92 Medicare patients in 2024, average age 73
CMS counts 92 Medicare patients who saw Annie Chang in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Annie Chang's median patient age at 40, with 69% women.
Annie Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Annie Chang's Medicare patients by sex, 2024
- Women5257%
- Men4043%
Chronic conditions among Annie Chang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis41%
- Ischemic heart disease33%
- Diabetes28%
- Anxiety26%
- Chronic kidney disease18%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Annie 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 40
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Annie L. Chang wrote 489 Medicare Part D claims in 2024
In 2024, Annie Chang wrote 489 Medicare Part D claims for 190 patients. 84% of them were for generic drugs. CMS names the drug for 348 of them, across 13 drugs with 11 or more claims each, at $163,720 in total drug cost.
Annie Chang's Part D claims by kind of drug, 2024
- Generic412 claims84%
- Brand-name77 claims16%
Annie 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 Annie Chang's Part D claims, 2024
- Antibiotics7%33 of 489 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Annie L. Chang scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Annie Chang for performance year 2024, reported as part of a group. Annie Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Annie Chang's MIPS scores, performance year 2024
- 97of 100Final score
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Annie L. Chang received $3,842 in industry payments from 2024 to 2025
CMS Open Payments shows 188 general payments to Annie Chang from 22 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 93% of the total. LEO Pharma Inc. paid the most, $561.
General payments to Annie Chang by program year, 2024 to 2025
General payments to Annie Chang by kind, 2024 to 2025
- Food and beverage$3,59293%
- Education$2507%
Companies that paid Annie Chang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Annie L. Chang's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Annie L. 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 Annie L. Chang's NPI number?
Annie L. Chang's NPI number is 1992339881. It was assigned on February 28, 2020, and it is active in the NPI Registry.
What does Annie L. Chang specialize in?
Annie L. Chang is a physician assistant in Katy, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Annie L. Chang practice?
Annie Chang practices at 4603 Farm To Market Rd 1463rd Rd, Katy, TX 77494. Annie Chang's primary practice is Elite Dermatology in Katy, Texas. Dmand AI also links Annie Chang to 2 group practices and clinics and 2 medical groups.
What is Annie L. Chang's office phone number?
The practice phone on file for Annie Chang is (281) 612-0050.
What is Annie L. Chang's medical license number?
Annie Chang holds Texas license PA13252.
What medical group is Annie L. Chang part of?
Annie Chang is linked to Elite Dermatology & Plastic Surgery. Dmand AI links Annie Chang to 2 more medical groups.
Does Annie L. Chang accept Medicare?
Yes. CMS data shows Annie Chang billed Medicare for 304 services in 2024, and Annie Chang accepts Medicare assignment.
What is Annie L. Chang's MIPS score?
Annie Chang's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Annie L. Chang see?
CMS counts 92 Medicare patients who saw Annie Chang in 2024, with an average age of 73.
What services does Annie L. Chang bill to Medicare?
In 2024, Annie Chang's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (11102).
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What drugs does Annie L. Chang prescribe most?
In 2024 Medicare Part D data, Annie Chang's most prescribed drugs by claims were Betamethasone Dipropionate, Triamcinolone Acetonide and Ketoconazole.
Has Annie L. Chang received payments from drug or device companies?
CMS Open Payments shows $3,842 in general payments to Annie Chang from 22 companies from 2024 to 2025. The largest total came from LEO Pharma Inc.
How long has Annie L. Chang been practicing?
Annie Chang graduated from medical school in 2019, 7 years ago.
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