Doctor profile · Federal record
Dr. Nayef Kazzaz, M.D
Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Riverside, CA
- NPI 1316234693
- Accepts Medicare
- MIPS 98.8 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6180 Brockton Ave Ste 204
Riverside, CA 925062233
(951) 781-7700
fax (951) 781-0313 - Additional location
-
135 E Maxwell St Ste 401
Lexington, KY 405082617
(859) 323-6700 - Additional location
-
4244 Riverwalk Pkwy Ste 204
Riverside, CA 925053372
Credentials & registration
- NPI registered
- July 2011 — 15 yrs on file
- Profile last updated
- February 11, 2021
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Kentucky #51325
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316234693. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
436
Distinct HCPCS
10
Medicare allowed
$50,085
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 105 | 60 | $132 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 85 | 49 | $185 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 54 | 12 | $123 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 37 | 37 | $40 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 37 | 37 | $24 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 28 | 20 | $8 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $172 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 23 | 23 | $227 | |
20610 |
Aspiration and/or injection of fluid from large joint | 22 | 14 | $89 | |
J1020 |
Injection, methylprednisolone acetate, 20 mg | 22 | 11 | $6 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 43. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$710
Transactions
33
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 15 | $244.75 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $67.83 | |
| Janssen Biotech, Inc. | 2 | $57.05 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $42.53 | |
| Lilly USA, LLC | 2 | $41.65 | |
| Novartis Pharmaceuticals Corporation | 1 | $33.86 | |
| GlaxoSmithKline, LLC. | 1 | $32.05 | |
| UCB, Inc. | 1 | $27.58 | |
| Aurinia Pharma U.S., Inc. | 1 | $26.77 | |
| ANI Pharmaceuticals, Inc. | 1 | $24.71 | |
| ABBVIE INC. | 1 | $22.20 | |
| Sandoz Inc. | 1 | $20.56 | |
| Radius Health, Inc. | 1 | $20.33 | |
| Boston Scientific Corporation | 1 | $16.98 | |
| PFIZER INC. | 1 | $15.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
671
Patients
214
Total drug cost
$579,369
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxychloroquine Sulfate | Generic | 117 | 45 | $10,983 |
| Methotrexate (Methotrexate Sodium) | Brand | 106 | 43 | $5,681 |
| Prednisone | Generic | 95 | 38 | $907 |
| Humira(Cf) Pen (Adalimumab) | Brand | 61 | 0 | $431,459 |
| Prolia (Denosumab) | Brand | 48 | 32 | $77,655 |
| Meloxicam | Generic | 35 | 23 | $279 |
| Alendronate Sodium | Generic | 33 | 14 | $612 |
| Cyclobenzaprine Hcl | Generic | 33 | 19 | $588 |
| Allopurinol | Generic | 27 | 0 | $503 |
| Leflunomide | Generic | 22 | 0 | $787 |
Frequently asked questions
What is Dr. Nayef Kazzaz's medical specialty?
Dr. Nayef Kazzaz practices Rheumatology Physician in Riverside, CA.
Where does Dr. Nayef Kazzaz practice?
Dr. Nayef Kazzaz practices at 6180 Brockton Ave Ste 204, Riverside, CA 925062233. Office phone: 9517817700.
What is Dr. Nayef Kazzaz's NPI?
Dr. Nayef Kazzaz's National Provider Identifier (NPI) is 1316234693, issued by NPPES.
Does Dr. Nayef Kazzaz accept Medicare assignment?
Yes. Dr. Nayef Kazzaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nayef Kazzaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.