DR. SIDNEY TAN CHANG MD NPI 1790888006

NPI Information

  • NPI: 1790888006
  • Provider Name: DR. SIDNEY TAN CHANG, MD
  • Classification: Ophthalmology - 207W00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 200 W ARBOR DR
    REGENTS OF THE UNIVERSITY OF CALIFORNIA
    SAN DIEGO, CA
    ZIP 92103
  • Phone: (858) 534-6290

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NPI Details

DR. Sidney Tan Chang, MD is an ophthalmology in San Diego, CA with 22 years of experience. The provider is an ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses. DR. Sidney Tan Chang, MD NPI is 1790888006. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduation Year:2004

The provider's business location address is:

200 W ARBOR DR
REGENTS OF THE UNIVERSITY OF CALIFORNIA
SAN DIEGO, CA
ZIP 92103-000
Phone: (858) 534-6290

The NPI 1790888006 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Measurement of corneal curvature and depth of eye (HCPCS:92136)
  • Removal of cataract with insertion of prosthetic lens (HCPCS:66984)
  • Established patient complete exam of visual system (HCPCS:92014)
  • Established patient problem focused exam of visual system (HCPCS:92012)
  • Imaging of optic nerve (HCPCS:92133)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Exam of visual field with extended testing (HCPCS:92083)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Imaging of retina (HCPCS:92134)
  • Removal of recurring cataract in lens capsule using a laser (HCPCS:66821)
  • New patient complete exam of visual system (HCPCS:92004)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • Exam of the internal drainage system of eye (HCPCS:92020)
  • Complex removal of cataract with insertion of prosthetic lens (HCPCS:66982)
  • Ultrasound scan of cornea to determine thickness (HCPCS:76514)
  • Removal of recurring cataract in lens capsule using a laser (HCPCS:66821)
  • Incision to improve eye fluid flow (HCPCS:65820)
  • Dilation to improve eye fluid flow (HCPCS:66174)
  • Closure of tear duct opening using plug (HCPCS:68761)
  • Cataract surgery (HCPCS:NAN11)

The enumeration date for this NPI number is 9/6/2006 and was last updated on 7/16/2013.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207W00000XOphthalmology2008017344MISSOURINo
2207W00000XOphthalmologyMD-15590HAWAIINo
3207W00000XOphthalmologyD74915MARYLANDNo
4207W00000XOphthalmologyA125489CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1269887YMD2MEDICARE PINMARYLAND

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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