Physician Profile
Unclaimed ProfileAbout KLEIN
Based in Elizabeth, NJ, Warren M Klein, M.D. is listed in the NPI registry under ophthalmology. Warren graduated from Rutgers New Jersey Medical School in 1972.
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
Areas of Expertise
Common questions
What does Dr. Klein specialise in?
Dr. Klein is an ophthalmology in Elizabeth, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Klein located?
Dr. Klein is listed at 230 W JERSEY ST FL 2, Elizabeth, NJ 07202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Klein's phone number?
The number on file is (908) 289-1166. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Klein's NPI number?
Dr. Klein's National Provider Identifier is 1114912342. 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 Dr. Klein go to medical school?
Dr. Klein attended Rutgers New Jersey Medical School, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Klein been practising?
Dr. Klein has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Klein do most often?
According to Medicare billing data, Dr. Klein performs procedures including creation of eye fluid drainage tracts in iris using a laser, per session and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures and ultrasound scan of cornea to determine thickness; provides treatments such as photography of the retina and exam of the internal drainage system of eye, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Klein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Klein. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (908) 289-1166
- Email not available
Practice Locations
230 W JERSEY ST FL 2
Elizabeth, NJ 07202
Procedures Most Often Billed to Medicare
1,008 services · 861 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Creation of eye fluid drainage tracts in iris using a laser, per session | Procedure | 66761 |
38 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
24 |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
44 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
11 |
| Photography of the retina | Treatment | 92250 |
160 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
121 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
89 |
| Photography of content of eyes | Treatment | 92285 |
88 |
| Imaging of front third of eye using a special microscope | Treatment | 92286 |
87 |
| Established patient complete exam of visual system | Treatment | 92014 |
77 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ophthalmology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1972 at Rutgers New Jersey Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Creation of eye fluid drainage tracts in iris using a laser, per session 8
Providers in NJ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.