Physician Profile
Diane Chang, M.D., PhD
Unclaimed ProfileAbout Dr. Chang
Diane Chang, M.D., PhD is a healthcare provider in New York, NY specializing in ophthalmology. Diane trained at University of Pittsburgh School of Medicine, graduating in 2008. Diane is also listed as specializing in internal medicine and student in an organized health care education program. According to Medicare claims data, Diane cared for 2,998 Medicare patients across 3,323 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and photography of the retina.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (212) 673-5650
- Email not available
Practice Locations
70 E 10TH ST APT 1F
New York, NY 10003
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
3,323 services · 2,998 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
142 | As often as other peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
50 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
29 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
20 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
679 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
430 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
325 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
269 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
224 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
156 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other eye doctors in New York 8
Same specialty, same city.
Trained at University of Pittsburgh School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at University of Pittsburgh School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Diane Chang, M.D.?
Diane Chang, M.D. is an eye doctor in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Diane Chang, M.D.'s address?
Diane Chang, M.D. is listed at 70 E 10Th St Apt 1F, New York, NY 10003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Diane Chang, M.D.?
The number on file is (212) 673-5650. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Diane Chang, M.D.'s NPI number?
Diane Chang, M.D.'s National Provider Identifier is 1588826168. 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
Where did Diane Chang, M.D. train?
Diane Chang, M.D. attended University of Pittsburgh School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Diane Chang, M.D. been practicing?
Diane Chang, M.D. has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Diane Chang, M.D. perform?
According to Medicare billing data, Diane Chang, M.D. performs procedures including removal of cataract with insertion of prosthetic lens, complex removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient complete exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diane Chang, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diane Chang, M.D.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.