Doctor profile · Federal record
Dr. Willy Singh, D.O.
Nephrology Physician (CMS: Internal Medicine) · Nephrology Physician · Whittier, CA
- NPI 1265587075
- 21 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12401 Washington Blvd
Whittier, CA 906021006
(562) 698-0811
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- April 26, 2016
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- California #20A11778 · Arizona #5399
- Medicaid
- AZ #502403
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265587075. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
944
Distinct HCPCS
9
Medicare allowed
$128,144
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 470 | 93 | $79 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 117 | 45 | $119 | |
99291 |
Critical care, first 30-74 minutes | 117 | 37 | $211 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 81 | 73 | $173 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 61 | 19 | $296 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 29 | 16 | $355 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 27 | 16 | $205 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 16 | $96 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 15 | $130 |
In context: peer comparison
Among 7 peers in Whittier Nephrology Physician, average services per provider: 133. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$179
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Aurinia Pharma U.S., INC. | 1 | $99.90 | |
| Fresenius USA Marketing, INC. | 2 | $37.34 | |
| Ardelyx, INC. | 1 | $25.02 | |
| Akebia Therapeutics INC | 1 | $17.18 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
640
Patients
122
Total drug cost
$153,664
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prosol (Parenteral Amino Acid 20% No.1) | Brand | 80 | 0 | $9,192 |
| Amlodipine Besylate | Generic | 74 | 20 | $750 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 67 | 14 | $57,357 |
| Hydralazine Hcl | Generic | 61 | 21 | $1,264 |
| Furosemide | Generic | 60 | 16 | $325 |
| Losartan Potassium | Generic | 54 | 15 | $911 |
| Calcium Acetate | Generic | 43 | 14 | $4,807 |
| Carvedilol | Generic | 33 | 0 | $385 |
| Gabapentin | Generic | 28 | 0 | $417 |
| Nifedipine ER (Nifedipine) | Brand | 27 | 11 | $2,021 |
Hospital affiliations
Frequently asked questions
What is Dr. Willy Singh's medical specialty?
Dr. Willy Singh practices Nephrology Physician in Whittier, CA.
Where does Dr. Willy Singh practice?
Dr. Willy Singh practices at 12401 Washington Blvd, Whittier, CA 906021006. Office phone: 5626980811.
What is Dr. Willy Singh's NPI?
Dr. Willy Singh's National Provider Identifier (NPI) is 1265587075, issued by NPPES.
Does Dr. Willy Singh accept Medicare assignment?
Dr. Willy Singh does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Willy Singh 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.