Doctor profile · Federal record
Dr. William Jawien, MD
Hematology & Oncology Physician (CMS: Medical Oncology) · Fresno, CA
- NPI 1417904020
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
7130 N Millbrook Ave
Fresno, CA 937203347
(559) 326-1222
fax (559) 326-1225 - Additional location
-
1125 E Spruce Ave Ste 103
Fresno, CA 937203387
(559) 878-4510
fax (559) 878-4515 - Mailing address
-
Po Box 25100
Fresno, CA 937295100
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- October 9, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #G74904
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417904020. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
298,823
Distinct HCPCS
10
Medicare allowed
$4,035,750
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 78,000 | 75 | $1 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 61,200 | 66 | $3 | |
Q5125 |
Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram | 32,760 | 15 | $1 | |
J9299 |
Injection, nivolumab, 1 mg | 31,720 | 29 | $30 | |
J0185 |
Injection, aprepitant, 1 mg | 11,180 | 33 | $2 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 9,000 | 74 | $0 | |
J9271 |
Injection, pembrolizumab, 1 mg | 8,600 | 15 | $54 | |
J1449 |
Injection, eflapegrastim-xnst, 0.1 mg | 8,052 | 26 | $32 | |
J0897 |
Injection, denosumab, 1 mg | 7,680 | 31 | $23 | |
J1930 |
Injection, lanreotide, 1 mg | 6,360 | 11 | $56 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 4,484. This provider delivers 67× the peer median.Open Payments
Industry payments received
All-time total
$2,316
Transactions
89
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 11 | $243.31 | |
| Celgene Corporation | 19 | $239.23 | |
| Daiichi Sankyo Inc. | 9 | $207.91 | |
| GlaxoSmithKline, LLC. | 11 | $189.21 | |
| ABBVIE INC. | 8 | $162.70 | |
| Exelixis Inc. | 6 | $143.00 | |
| Lilly USA, LLC | 3 | $106.02 | |
| Ipsen Biopharmaceuticals, Inc | 3 | $100.22 | |
| Novartis Pharmaceuticals Corporation | 4 | $83.57 | |
| PFIZER INC. | 3 | $76.90 | |
| SOBI, INC | 2 | $64.89 | |
| Stemline Therapeutics Inc. | 2 | $63.04 | |
| Gilead Sciences, Inc. | 3 | $62.57 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $58.52 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $54.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
825
Patients
160
Total drug cost
$2,074,622
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 159 | 28 | $5,254 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 87 | 28 | $2,560 |
| Ondansetron Odt (Ondansetron) | Brand | 75 | 34 | $1,571 |
| Warfarin Sodium | Generic | 64 | 0 | $1,196 |
| Levothyroxine Sodium | Generic | 60 | 18 | $621 |
| Dexamethasone | Generic | 51 | 15 | $696 |
| Prochlorperazine Maleate | Generic | 47 | 26 | $1,094 |
| Eliquis (Apixaban) | Brand | 46 | 11 | $34,870 |
| Ibrance (Palbociclib) | Brand | 38 | 0 | $604,942 |
| Revlimid (Lenalidomide) | Brand | 37 | 0 | $728,573 |
Hospital affiliations
Frequently asked questions
What is Dr. William Jawien's medical specialty?
Dr. William Jawien practices Hematology & Oncology Physician in Fresno, CA.
Where does Dr. William Jawien practice?
Dr. William Jawien practices at 7130 N Millbrook Ave, Fresno, CA 937203347. Office phone: 5593261222.
What is Dr. William Jawien's NPI?
Dr. William Jawien's National Provider Identifier (NPI) is 1417904020, issued by NPPES.
Does Dr. William Jawien accept Medicare assignment?
Yes. Dr. William Jawien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Jawien commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram (HCPCS Q5125). Source: CMS Medicare Physician & Other Practitioners file.