Heather Chang, M.D.
NPI 1982898409 · Ophthalmology Physician · Arcadia, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Chang, M.D. is a Ophthalmology Physician provider in Arcadia, CA (NPI 1982898409).
Provider details
- NPI number
- 1982898409
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD448260 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,236 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 811 | $47 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 463 | $28 |
| Injection of Drug Into Eye67028 | 412 | $131 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 387 | $93 |
| Established Patient Problem Focused Exam of Visual System92012 | 323 | $105 |
| Established Patient Complete Exam of Visual System92014 | 252 | $148 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 70 | 19 |
| Ketorolac Tromethamine | 61 | 36 |
| Prednisolone Acetate | 46 | 30 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 27 | 13 |
| Ciprofloxacin Hcl | 26 | 20 |
| Cyclosporinebrand: Restasis | 26 | — |
| Timolol Maleate | 25 | — |
| Bromfenac Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-28
- Last updated
- 2018-11-16
Frequently asked questions
- What is Heather Chang's NPI number?
- Heather Chang's National Provider Identifier (NPI) is 1982898409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Chang's specialty?
- Heather Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Chang located?
- Heather Chang's practice location on file with NPPES is 234 S. First Ave, Suite 101, Arcadia, CA 91006.
- What is Heather Chang's phone number?
- The practice phone number listed in the NPPES registry for Heather Chang is (626) 447-7008.
- Does Heather Chang accept Medicare?
- Heather Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Chang's NPI active?
- Yes — Heather Chang's NPI (1982898409) is active in the NPPES registry as of the last update on 2018-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.