Ann Chang, OD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 11
- Industry payments
- $603
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 873 Broadway, New York, NY 10003
- Practice phone
- Call (212) 253-9383
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
James Fowler PT.
New York, New York
Find Ann 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.
Ann Chang is an optometrist in New York, New York
Ann Chang practices at James Fowler PT. in New York, New York.
Ann Chang's NPI, 1366579567, was assigned on February 27, 2007. Ann Chang graduated from New England College of Optometry in 1999. Ann Chang holds New York license 006147.
- NPI
- 1366579567NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234268087
- NPI enumeration date
- February 27, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 253-9383
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ann Chang practices at James Fowler PT. in New York, New York
Ann Chang's primary practice is James Fowler PT., at 873 Broadway, New York, NY 10003 in New York County. The practice phone is (212) 253-9383.
- James Fowler PT.873 Broadway, New York, NY 10003 · New York CountyPhone(212) 253-9383
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ann Chang is affiliated with 2 sites of care
Ann Chang's primary practice is James Fowler PT. in New York, New York. Dmand AI also links Ann Chang to 1 physician office, 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 Ann Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ann Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| James Fowler PT. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Ann Chang is one of 2,393 optometrists in New York
Optometrist is Ann Chang's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Ann Chang is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near Ann Chang
Counts of optometrists 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
Ann Chang treated 11 Medicare patients in 2024, average age 72
CMS counts 11 Medicare patients who saw Ann Chang in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ann Chang's median patient age at 60, with 61% women.
Ann Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ann 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 60
Patient panel by sex, all payers
- Women61%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ann Chang wrote 11 Medicare Part D claims in 2024
In 2024, Ann Chang wrote 11 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ann Chang takes part in Medicare
Ann 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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Ann Chang received $603 in industry payments in 2025
CMS Open Payments shows 23 general payments to Ann Chang from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $202.
Companies that paid Ann Chang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ann Chang graduated from New England College of Optometry
Ann Chang graduated from New England College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ann 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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Ann 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 Ann Chang's NPI number?
Ann Chang's NPI number is 1366579567. It was assigned on February 27, 2007, and it is active in the NPI Registry.
What does Ann Chang specialize in?
Ann Chang is an optometrist in New York, New York. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Ann Chang practice?
Ann Chang practices at 873 Broadway, New York, NY 10003. Ann Chang's primary practice is James Fowler PT. in New York, New York. Dmand AI also links Ann Chang to 1 physician office.
What is Ann Chang's office phone number?
The practice phone on file for Ann Chang is (212) 253-9383.
What is Ann Chang's medical license number?
Ann Chang holds New York license 006147.
Does Ann Chang accept Medicare?
Yes. CMS lists Ann Chang as accepting Medicare assignment.
How many Medicare patients does Ann Chang see?
CMS counts 11 Medicare patients who saw Ann Chang in 2024, with an average age of 72.
Where did Ann Chang go to medical school?
Ann Chang graduated from New England College of Optometry in 1999.
Has Ann Chang received payments from drug or device companies?
CMS Open Payments shows $603 in general payments to Ann Chang from 8 companies from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Ann Chang been practicing?
Ann Chang graduated from medical school in 1999, 27 years ago.
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