Doctor profile · Federal record
Dr. Boris Ratiner, M.D.
Rheumatology Physician (CMS: Rheumatology) · Tarzana, CA
- NPI 1821001496
- Accepts Medicare
- MIPS 91.5 / 100 · 2023
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18386 Ventura Blvd
Tarzana, CA 913564219
(818) 996-4077
fax (818) 996-4069
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 9, 2023
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #A60202
- Medicaid
- CA #00A602020
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821001496. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
79,389
Distinct HCPCS
10
Medicare allowed
$1,350,796
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0717 |
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) | 45,800 | 14 | $5 | |
J0897 |
Injection, denosumab, 1 mg | 2,943 | 29 | $23 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,108 | 18 | $32 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,597 | 489 | $141 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 1,263 | 301 | $1 | |
86235 |
Measurement of antibody for assessment of autoimmune disorder, any method | 1,260 | 169 | $18 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,229 | 43 | $0 | |
J3304 |
Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg | 960 | 12 | $17 | |
36415 |
Insertion of needle into vein for collection of blood sample | 802 | 351 | $8 | |
82565 |
Blood creatinine level | 765 | 340 | $5 |
In context: peer comparison
Among 3 peers in Tarzana Rheumatology Physician, average services per provider: 819. This provider delivers 97× the peer median.Open Payments
Industry payments received
All-time total
$5,100
Transactions
248
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 53 | $1,090.97 | |
| Amgen INC. | 38 | $948.88 | |
| Janssen Biotech, INC. | 30 | $538.09 | |
| Novartis Pharmaceuticals Corporation | 31 | $412.96 | |
| GlaxoSmithKline, LLC. | 20 | $374.06 | |
| Radius Health, INC. | 19 | $222.60 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 9 | $211.21 | |
| Ani Pharmaceuticals, INC. | 10 | $165.58 | |
| Ucb, INC. | 9 | $152.26 | |
| Organon LLC | 13 | $129.43 | |
| Spr Therapeutics, INC | 1 | $102.52 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $99.63 | |
| Aurinia Pharma U.S., INC. | 4 | $89.34 | |
| Lilly USA, LLC | 4 | $87.78 | |
| Fresenius Kabi USA, LLC | 3 | $72.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,327
Patients
267
Total drug cost
$1,156,408
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 215 | 50 | $9,510 |
| Prednisone | Generic | 193 | 48 | $2,451 |
| Hydroxychloroquine Sulfate | Generic | 138 | 37 | $8,742 |
| Meloxicam | Generic | 123 | 41 | $1,111 |
| Celecoxib | Generic | 103 | 24 | $2,791 |
| Gabapentin | Generic | 96 | 22 | $3,026 |
| Leflunomide | Generic | 93 | 25 | $7,285 |
| Allopurinol | Generic | 89 | 20 | $1,099 |
| Remicade (Infliximab) | Brand | 56 | 0 | $428,172 |
| Alendronate Sodium | Generic | 43 | 0 | $337 |
Hospital affiliations
Frequently asked questions
What is Dr. Boris Ratiner's medical specialty?
Dr. Boris Ratiner practices Rheumatology Physician in Tarzana, CA.
Where does Dr. Boris Ratiner practice?
Dr. Boris Ratiner practices at 18386 Ventura Blvd, Tarzana, CA 913564219. Office phone: 8189964077.
What is Dr. Boris Ratiner's NPI?
Dr. Boris Ratiner's National Provider Identifier (NPI) is 1821001496, issued by NPPES.
Does Dr. Boris Ratiner accept Medicare assignment?
Yes. Dr. Boris Ratiner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Boris Ratiner commonly perform?
Top Medicare-reported procedures in 2023: 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) (HCPCS J0717); Injection, denosumab, 1 mg (HCPCS J0897); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745). Source: CMS Medicare Physician & Other Practitioners file.