Physician Profile
Ervin P. Wong, M.D.
Unclaimed ProfileAbout Dr. Wong
Ervin P. Wong, M.D. practices ophthalmology in San Francisco, CA. Ervin is a 1998 graduate of Loma Linda University School of Medicine. Ervin is also listed as specializing in specialist. Medicare claims data shows Ervin provided 852 services to 641 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, photography of the retina, and imaging of retina.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (415) 837-0861
- Email not available
Practice Locations
728 PACIFIC AVE 506
San Francisco, CA 94133
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
852 services · 641 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
18 | Less often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
16 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
130 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
127 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
49 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
29 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
384 | More often than most peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
58 | As often as other peers in Ophthalmology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
41 | 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.
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.
Other eye doctors in San Francisco 8
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1998 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Complex removal of cataract with insertion of prosthetic lens 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Ervin P. Wong?
Ervin P. Wong is an eye doctor in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Ervin P. Wong's address?
Ervin P. Wong is listed at 728 Pacific Ave 506, San Francisco, CA 94133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Ervin P. Wong?
The number on file is (415) 837-0861. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Ervin P. Wong?
Ervin P. Wong's National Provider Identifier is 1386674471. 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 Ervin P. Wong train?
Ervin P. Wong attended Loma Linda University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ervin P. Wong have?
Ervin P. Wong has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Ervin P. Wong perform?
According to Medicare billing data, Ervin P. Wong performs procedures including complex removal of cataract with insertion of prosthetic lens and removal of cataract with insertion of prosthetic lens; provides treatments such as photography of the retina and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ervin P. Wong's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ervin P. Wong. 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.