Physician Profile
Rebecca S. Janik, M.D.
Unclaimed ProfileAbout Dr. Janik
Based in Berkeley, CA, Rebecca S. Janik, M.D. is listed in the NPI registry under ophthalmology. Rebecca graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2012. According to Medicare claims data, Rebecca cared for 1,589 Medicare patients across 1,848 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and imaging of retina. NPI 1518223080 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (510) 848-1413
- Email not available
Practice Locations
3010 COLBY ST SUITE 114
Berkeley, CA 94705
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
1,848 services · 1,589 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
101 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
28 | Less often than most peers in Ophthalmology |
| Dilation of tear drainage opening | Procedure | 68801 |
12 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
28 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
366 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
264 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
143 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
107 | As often as other peers in Ophthalmology |
| Imaging of front third of eye | Treatment | 92132 |
98 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
93 | 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.
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 1
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 — 30 related providers in 4 groups
Other eye doctors in Berkeley 6
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 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 CA who bill this service to Medicare most often.
Common questions
What is Rebecca S. Janik's specialty?
Rebecca S. Janik is an eye doctor in Berkeley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Rebecca S. Janik?
Rebecca S. Janik is listed at 3010 Colby St Suite 114, Berkeley, CA 94705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Rebecca S. Janik?
The number on file is (510) 848-1413. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Rebecca S. Janik's NPI number?
Rebecca S. Janik's National Provider Identifier is 1518223080. 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
What is Rebecca S. Janik's education?
Rebecca S. Janik attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Rebecca S. Janik been practicing?
Rebecca S. Janik has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Rebecca S. Janik known for?
According to Medicare billing data, Rebecca S. Janik performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and dilation of tear drainage opening; 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 imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Rebecca S. Janik confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Rebecca S. Janik. If this is you, claiming it is free.
Guide.md
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