Based in Lawndale, CA, David Allen Markman, M.D. is listed in the NPI registry under ophthalmology. David graduated from Washington University School of Medicine in 1963.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Markman is an ophthalmology in Lawndale, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Dr. Markman is listed at 4223 REDONDO BEACH BLVD, Lawndale, CA 90260. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 370-5648. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Markman's National Provider Identifier is 1508961640. 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
Dr. Markman attended Washington University School of Medicine, graduating in 1963. This comes from the CMS National Downloadable File.
CMS public data
Dr. Markman has 63 years experience. Calculated from a graduation year of 1963, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Markman performs procedures including removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Markman. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
4223 REDONDO BEACH BLVD
Lawndale, CA 90260
680 services · 546 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
24 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
17 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
197 |
| Established patient complete exam of visual system | Treatment | 92014 |
120 |
| Exam of visual field with extended testing | Treatment | 92083 |
97 |
| New patient complete exam of visual system | Treatment | 92004 |
56 |
| Imaging of optic nerve | Treatment | 92133 |
54 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
34 |
| Imaging of retina | Treatment | 92134 |
28 |
| Photography of the retina | Treatment | 92250 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CA 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.