Are you Boris D. Ratiner, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in Tarzana, CA, Boris D. Ratiner, M.D. is listed in the NPI registry under rheumatology. Boris graduated from Louisiana State University School of Medicine in New Orleans in 1994. According to Medicare claims data, Boris cared for 6,335 Medicare patients across 106,736 services. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, tocilizumab, 1 mg, and injection, denosumab, 1 mg. NPI 1821001496 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
18386 VENTURA BLVD
Tarzana, CA 91356
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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Most searched conditions
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
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106,736 services · 6,335 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
816 | More than most peers in Rheumatology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
783 | More than most peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | Treatment | 96366 |
753 | More than most peers in Rheumatology |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
42,000 | As often as other peers in Rheumatology |
| Injection, tocilizumab, 1 mg | Drug given | J3262 |
39,000 | As often as other peers in Rheumatology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
3,541 | As often as other peers in Rheumatology |
| Injection, infliximab, excludes biosimilar, 10 mg | Drug given | J1745 |
2,607 | Less often than most peers in Rheumatology |
| Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0129 |
2,091 | Less often than most peers in Rheumatology |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
1,730 | More than most peers in Rheumatology |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,255 | More than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Boris D. Ratiner is a rheumatologist in Tarzana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Boris D. Ratiner is listed at 18386 Ventura Blvd, Tarzana, CA 91356. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (818) 996-4077. Contact the office directly to confirm availability and scheduling.
NPI registry
Boris D. Ratiner's National Provider Identifier is 1821001496. 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
Boris D. Ratiner attended Louisiana State University School of Medicine in New Orleans, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Boris D. Ratiner has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Boris D. Ratiner performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of additional new drug or substance into vein and infusion into a vein for therapy, prevention, or diagnosis, each additional hour, alongside routine visits and testing. 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 Boris D. Ratiner. If this is you, claiming it is free.
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