Peter Yuwei Chang, M.D.
Ophthalmology Physician · Waltham, MA
Peter Yuwei Chang, M.D. is an ophthalmology physician with a practice address in Waltham, Massachusetts, and NPI 1801107859, issued on Jun 24, 2010. Check the license (Massachusetts 266201, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter Yuwei Chang
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 266201 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1440 Main St, Waltham, MA 02451
- Phone
- (781) 891-6377
- Enumerated
- Jun 24, 2010
- Record last updated
- Sep 25, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (781) 647-1430
- Medicare enrollment
- Enrolled (PECOS I20160927000047); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Also registered at 1440 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Smith, CRNACertified Registered Nurse Anesthetist1952694432
Verify Peter Yuwei Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 266201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average ophthalmology physician in 2024
2,367 Medicare Part D claims for 484 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Dorzolamide-Timolol171 claims
- Prednisolone Acetate156 claims
- Brimonidine Tartrate150 claims
- Methotrexate133 claims
- Timolol Maleate130 claims
- Latanoprost104 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): 100 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: $204,144.04
215 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. 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
- Massachusetts Eye Research And Surgery Institution PCWaltham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Yuwei Chang among 791 ophthalmology physician records in Massachusetts
Peter Yuwei Chang, M.D. is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2008 · median 2002 among the 518 with a school on file
- Record last updated2018 · 65% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Massachusetts
There are 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in Waltham → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Stephen Anesi, M.D.Waltham, MA 024511003052788
- Charles Foster, M.D.Waltham, MA 024511285617530
- Ambika Hoguet, M.D.Waltham, MA 024511558689620
- Kathryn Masselam Hatch, M.D.Watham, MA 024511528265824
- Jonathan Talamo, MDWaltham, MA 024511942292560
- Nandini Venkateswaran, M.D.Waltham, MA 024511265813992
- Richard Beckman, M.D.Waltham, MA 024521417996224
- Richard Dornfeld, M.D.Waltham, MA 024531457441404
Common questions
What is Peter Yuwei Chang, M.D.'s NPI number?
Peter Yuwei Chang, M.D.'s National Provider Identifier (NPI) is 1801107859, issued on Jun 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Peter Yuwei Chang, M.D. located?
The NPPES record lists a practice address at 1440 Main St, Waltham, MA, 02451. Phone: (781) 891-6377. Providers update this record themselves, so call before visiting.
How can I verify Peter Yuwei Chang, M.D.'s license?
NPPES lists Massachusetts license number 266201, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Yuwei Chang, M.D. prescribe under Medicare Part D?
In 2024, Peter Yuwei Chang, M.D. had 2,367 Medicare Part D claims for 484 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Peter Yuwei Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.