Evan Christopher Chang, MD
Ophthalmology Physician · Sacramento, CA
Evan Christopher Chang, MD is an ophthalmology physician with a practice address in Sacramento, California, and NPI 1457856759, issued on Mar 28, 2018. Check the license (California A166015, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Evan Christopher Chang
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A166015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 2400, Sacramento, CA 95817
- Phone
- (916) 734-6602
- Enumerated
- Mar 28, 2018
- Record last updated
- Mar 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20220616000556); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 4860 Y St Ste 2400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aparna Ajjarapu, MDStudent in an Organized Health Care Education/Training Program1962253070
- James Brandt, M.D.Ophthalmology Physician1578544136
- Nicholas Chartrand, MDStudent in an Organized Health Care Education/Training Program1912712696
- Andrew ChenStudent in an Organized Health Care Education/Training Program1023694981
- David Chu, MDOphthalmology Physician1427190578
- Ivan Copado, MPHStudent in an Organized Health Care Education/Training Program1760241913
Verify Evan Christopher Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average ophthalmology physician in 2024
1,572 Medicare Part D claims for 483 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost324 claims
- Timolol Maleate174 claims
- Dorzolamide-Timolol163 claims
- Lumigan132 claims
- Tobramycin-Dexamethasone81 claims
- Restasis80 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,453.08
41 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Associated Retinal Consultants LLCTenafly, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Evan Christopher Chang among 2,899 ophthalmology physician records in California
Evan Christopher Chang, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2001 among the 1,907 with a school on file
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Sacramento → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Brandt, M.D.Sacramento, CA 958171578544136
- Jeffrey Caspar, M.D.Sacramento, CA 958171609850452
- David Chu, MDSacramento, CA 958171427190578
- John Keltner, M.D.Sacramento, CA 958171659353522
- Esther Kim, M.D.Sacramento, CA 958171740265073
- Michele Lim, M.D.Sacramento, CA 958171962487025
- Lily Lin, M.D.Sacramento, CA 958171306908108
- William Lloyd, M.D.Sacramento, CA 958171710961479
Common questions
What is Evan Christopher Chang, MD's NPI number?
Evan Christopher Chang, MD's National Provider Identifier (NPI) is 1457856759, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Evan Christopher Chang, MD located?
The NPPES record lists a practice address at 4860 Y St Ste 2400, Sacramento, CA, 95817. Phone: (916) 734-6602. Providers update this record themselves, so call before visiting.
How can I verify Evan Christopher Chang, MD's license?
NPPES lists California license number A166015, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Evan Christopher Chang, MD prescribe under Medicare Part D?
In 2024, Evan Christopher Chang, MD had 1,572 Medicare Part D claims for 483 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Evan Christopher Chang, MD's MIPS final score?
The 2023 MIPS final score is 90.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.