Are you Peter Y. Chang, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in Waltham, MA, Peter Y. Chang, M.D. is listed in the NPI registry under ophthalmology. Peter graduated from Tufts University School of Medicine in 2008. Medicare claims data shows Peter provided 31,635 services to 3,272 patients. The services billed most often include injection, faricimab-svoa, 0.1 mg, chloroprocaine hcl ophthalmic, 3% gel, 1 mg, and injection, aflibercept hd, 1 mg. NPI 1801107859 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1440 MAIN ST STE 201
Waltham, MA 02451
10 Hawthorne Pl Ste 106
Boston, MA 02114
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
31,635 services · 3,272 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
670 | More often than most peers in Ophthalmology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
179 | More than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
173 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
1,382 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
1,216 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
266 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
217 | More often than most peers in Ophthalmology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
202 | Too few peers to compare |
| New patient complete exam of visual system | Treatment | 92004 |
199 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
121 | As often as other peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Peter Y. Chang is an eye doctor in Waltham, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Peter Y. Chang is listed at 1440 Main St Ste 201, Waltham, MA 02451. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (781) 891-6377. Contact the office directly to confirm availability and scheduling.
NPI registry
Peter Y. Chang's National Provider Identifier is 1801107859. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Peter Y. Chang attended Tufts University School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Peter Y. Chang has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Peter Y. Chang performs procedures including injection of drug into eye, insertion of needle into vein for collection of blood sample and removal of cataract with insertion of prosthetic lens; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Peter Y. Chang. If this is you, claiming it is free.
Guide.md
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