Doctor profile · Federal record
Dr. Roman Kleynberg, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Los Angeles, CA
- NPI 1700103298
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6221 Wilshire Blvd, Suite 504
Los Angeles, CA 900485201
(323) 965-5679
fax (323) 965-5678
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- January 27, 2017
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #A120343
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700103298. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12,849
Distinct HCPCS
5
Medicare allowed
$1,330,725
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 7,697 | 1,385 | $83 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 3,166 | 1,548 | $125 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 1,253 | 1,068 | $137 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 672 | 604 | $182 | |
G2010 |
Remote evaluation of recorded video and/or images submitted by an established patient (e.g., store and forward), including interpretation with follow-up with the patient within 24 business hours, not originating from a related e/m service provided within t | 61 | 58 | $10 |
In context: peer comparison
Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$675
Transactions
29
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 12 | $221.54 | |
| Sobi, INC | 2 | $47.31 | |
| PharmaEssentia USA Corporation | 2 | $47.04 | |
| Incyte Corporation | 2 | $43.21 | |
| Pfizer INC. | 1 | $36.91 | |
| Jazz Pharmaceuticals INC. | 1 | $33.09 | |
| Ipsen Biopharmaceuticals, INC | 1 | $29.97 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $29.59 | |
| Janssen Pharmaceuticals, INC | 1 | $26.72 | |
| Genmab U.S., INC. | 1 | $26.32 | |
| TerSera Therapeutics LLC | 1 | $25.05 | |
| Gilead Sciences, INC. | 1 | $23.83 | |
| Celgene Corporation | 1 | $23.16 | |
| Novartis Pharmaceuticals Corporation | 1 | $21.62 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $20.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
175
Patients
131
Total drug cost
$1,440
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 40 | 30 | $380 |
| Gabapentin | Generic | 25 | 17 | $250 |
| Metformin Hcl | Generic | 22 | 15 | $180 |
| Amlodipine Besylate | Generic | 21 | 17 | $118 |
| Levothyroxine Sodium | Generic | 18 | 13 | $159 |
| Lisinopril | Generic | 18 | 11 | $59 |
| Pantoprazole Sodium | Generic | 17 | 15 | $208 |
| Clonidine Hcl | Generic | 14 | 13 | $86 |
Hospital affiliations
Frequently asked questions
What is Dr. Roman Kleynberg's medical specialty?
Dr. Roman Kleynberg practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. Roman Kleynberg practice?
Dr. Roman Kleynberg practices at 6221 Wilshire Blvd, Los Angeles, CA 900485201. Office phone: 3239655679.
What is Dr. Roman Kleynberg's NPI?
Dr. Roman Kleynberg's National Provider Identifier (NPI) is 1700103298, issued by NPPES.
Does Dr. Roman Kleynberg accept Medicare assignment?
Yes. Dr. Roman Kleynberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roman Kleynberg commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.