Doctor profile · Federal record
Dr. Nayyar Siddique, MD
Hematology & Oncology Physician (CMS: Internal Medicine) · Medical Oncology Physician · Oceanside, CA
- NPI 1497890610
- Accepts Medicare
- 37 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3617 Vista Way
Oceanside, CA 920564522
(760) 758-5770
fax (760) 721-8597
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- April 18, 2024
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- California #A62744 · North Dakota #LT20873
- Medicaid
- CA #00A627440
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497890610. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21,376
Distinct HCPCS
10
Medicare allowed
$336,017
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q5106 |
Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 8,720 | 25 | $8 | |
J0897 |
Injection, denosumab, 1 mg | 5,760 | 14 | $23 | |
J0885 |
Injection, epoetin alfa, (for non-esrd use), 1000 units | 3,560 | 16 | $7 | |
36415 |
Insertion of needle into vein for collection of blood sample | 890 | 145 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 890 | 141 | $8 | |
96372 |
Injection of drug or substance under skin or into muscle | 426 | 45 | $15 | |
80053 |
Blood test, comprehensive group of blood chemicals | 405 | 131 | $10 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 343 | 166 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 199 | 99 | $135 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 49 | 42 | $93 |
In context: peer comparison
Among 3 peers in Oceanside Hematology & Oncology Physician, average services per provider: 792. This provider delivers 27× the peer median.Open Payments
Industry payments received
All-time total
$1,287
Transactions
18
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 12 | $1,065.44 | |
| Genzyme Corporation | 1 | $93.79 | |
| SpringWorks Therapeutics, INC. | 1 | $39.90 | |
| Gilead Sciences, INC. | 1 | $24.54 | |
| BeiGene USA, INC. | 1 | $23.08 | |
| Daiichi Sankyo INC. | 1 | $21.68 | |
| Merck Sharp & Dohme LLC | 1 | $18.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
641
Patients
103
Total drug cost
$1,037,584
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 124 | 33 | $3,790 |
| Procrit (Epoetin Alfa) | Brand | 82 | 0 | $70,883 |
| Hydroxyurea | Generic | 73 | 13 | $1,390 |
| Dexamethasone | Generic | 67 | 21 | $880 |
| Prednisone | Generic | 49 | 18 | $535 |
| Acyclovir | Generic | 44 | 0 | $773 |
| Eliquis (Apixaban) | Brand | 40 | 0 | $26,460 |
| Prochlorperazine Maleate | Generic | 40 | 18 | $690 |
| Tamoxifen Citrate | Generic | 28 | 0 | $1,010 |
| Pomalyst (Pomalidomide) | Brand | 22 | 0 | $494,082 |
Hospital affiliations
Frequently asked questions
What is Dr. Nayyar Siddique's medical specialty?
Dr. Nayyar Siddique practices Hematology & Oncology Physician in Oceanside, CA.
Where does Dr. Nayyar Siddique practice?
Dr. Nayyar Siddique practices at 3617 Vista Way, Oceanside, CA 920564522. Office phone: 7607585770.
What is Dr. Nayyar Siddique's NPI?
Dr. Nayyar Siddique's National Provider Identifier (NPI) is 1497890610, issued by NPPES.
Does Dr. Nayyar Siddique accept Medicare assignment?
Yes. Dr. Nayyar Siddique accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nayyar Siddique commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Injection, denosumab, 1 mg (HCPCS J0897); Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS J0885). Source: CMS Medicare Physician & Other Practitioners file.