Wai Yin Teresa Chang
Optometrist · Hagerstown, MD
Wai Yin Teresa Chang is an optometrist with a practice address in Hagerstown, Maryland, and NPI 1104478445, issued on Jul 16, 2019. Check the license (Maryland 2695, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wai Yin Teresa Chang
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2695 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1725 Dual Hwy # B, Hagerstown, MD 21740
- Phone
- (301) 739-6573
- Enumerated
- Jul 16, 2019
- Record last updated
- May 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20191014000206); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2019
- Entity
- Type 1 · individual
8 nearest optometrist records → All 924 in Maryland → Look up another NPI →
Verify Wai Yin Teresa Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 2695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $143.60
4 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Myeyedr Optometry OF Maryland LLCHagerstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wai Yin Teresa Chang among 924 optometrist records in Maryland
Wai Yin Teresa Chang is one of 924 optometrist records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2019 · median 2005 among the 517 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 optometrist records list a practice address in Hagerstown
They are 31 of the 2,414 NPPES records with a practice address in Hagerstown, and 924 optometrist records in Maryland.
All 924 in Maryland → Every provider in Hagerstown → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Madiha Amjed, O.D.Hagerstown, MD 217401831572379
- Philip Berry, ODHagerstown, MD 217401548361124
- Stanley Bowser, ODHagerstown, MD 217401174691711
- Steven Chado, ODHagerstown, MD 217401154371532
- Robert Glasser, ODHagerstown, MD 217401376611970
- David Holland, ODHagerstown, MD 217401134417025
- Nagaraju Kemidi, O.D.Hagerstown, MD 217401962631838
- Jerzy Kornilow, O.D.Hagerstown, MD 217401275507956
Common questions
What is Wai Yin Teresa Chang's NPI number?
Wai Yin Teresa Chang's National Provider Identifier (NPI) is 1104478445, issued on Jul 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Wai Yin Teresa Chang located?
The NPPES record lists a practice address at 1725 Dual Hwy # B, Hagerstown, MD, 21740. Phone: (301) 739-6573. Providers update this record themselves, so call before visiting.
How can I verify Wai Yin Teresa Chang's license?
NPPES lists Maryland license number 2695, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.