Doctor profile · Federal record
Dr. William Yang, M.D.
Nephrology Physician (CMS: Internal Medicine) · Northridge, CA
- NPI 1609005479
- Accepts Medicare
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18433 Roscoe Blvd, Suite #202
Northridge, CA 913254108
(818) 349-1262
fax (818) 349-7529 - Mailing address
-
321 S Hamel RD, Apt #4
Los Angeles, CA 900483825
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- June 10, 2014
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A120820
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609005479. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,016
Distinct HCPCS
10
Medicare allowed
$698,847
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,652 | 329 | $127 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 849 | 337 | $165 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 799 | 140 | $43 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 740 | 155 | $54 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 572 | 123 | $59 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 357 | 162 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 353 | 309 | $185 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 150 | 28 | $380 | |
99291 |
Critical care, first 30-74 minutes | 129 | 40 | $226 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 120 | 119 | $127 |
In context: peer comparison
Among 3 peers in Northridge Nephrology Physician, average services per provider: 351. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$16,742
Transactions
165
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 29 | $12,220.90 | |
| Amgen INC. | 55 | $1,107.60 | |
| Csl Behring | 4 | $1,068.20 | |
| AstraZeneca Pharmaceuticals Lp | 18 | $689.86 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 7 | $241.88 | |
| Vifor Pharma, INC. | 10 | $182.48 | |
| Novartis Pharmaceuticals Corporation | 10 | $158.83 | |
| Akebia Therapeutics INC | 5 | $132.26 | |
| Otsuka America Pharmaceutical, INC. | 5 | $116.02 | |
| Daiichi Sankyo INC. | 5 | $111.03 | |
| Lilly USA, LLC | 4 | $99.66 | |
| Lexicon Pharmaceuticals, INC. | 3 | $89.55 | |
| GlaxoSmithKline, LLC. | 4 | $87.87 | |
| Ardelyx, INC. | 3 | $76.76 | |
| Aurinia Pharma U.S., INC. | 3 | $73.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,277
Patients
708
Total drug cost
$899,341
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 277 | 89 | $8,420 |
| Amlodipine Besylate | Generic | 251 | 79 | $4,023 |
| Nifedipine ER (Nifedipine) | Brand | 222 | 71 | $18,260 |
| Torsemide | Generic | 193 | 61 | $3,806 |
| Carvedilol | Generic | 148 | 44 | $2,323 |
| Allopurinol | Generic | 140 | 48 | $2,256 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 130 | 44 | $190,577 |
| Spironolactone | Generic | 122 | 42 | $1,827 |
| Doxazosin Mesylate | Generic | 120 | 36 | $4,962 |
| Jardiance (Empagliflozin) | Brand | 118 | 37 | $178,360 |
Frequently asked questions
What is Dr. William Yang's medical specialty?
Dr. William Yang practices Nephrology Physician in Northridge, CA.
Where does Dr. William Yang practice?
Dr. William Yang practices at 18433 Roscoe Blvd, Northridge, CA 913254108. Office phone: 8183491262.
What is Dr. William Yang's NPI?
Dr. William Yang's National Provider Identifier (NPI) is 1609005479, issued by NPPES.
Does Dr. William Yang accept Medicare assignment?
Yes. Dr. William Yang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Yang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458). Source: CMS Medicare Physician & Other Practitioners file.