Doctor profile · Federal record
Dr. David Chang, M.D.
Nephrology Physician (CMS: Nephrology) · Wildomar, CA
- NPI 1043266240
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
36320 Inland Valley Dr, Suite 308
Wildomar, CA 925957512
(951) 600-7630
fax (951) 600-7164 - Additional location
-
31537 Rancho Pueblo RD Ste 201
Temecula, CA 925924841
(951) 687-7140
fax (951) 303-3565 - Additional location
-
591 E Elder St Ste C
Fallbrook, CA 920285001
(951) 687-7140
fax (951) 303-3565 - Mailing address
-
3660 Park Sierra Dr Ste 203
Riverside, CA 925053071
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- August 5, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A71793
- Medicaid
- CA #00A717930
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043266240. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,530
Distinct HCPCS
8
Medicare allowed
$280,819
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 395 | 60 | $365 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 359 | 146 | $112 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 327 | 108 | $80 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 218 | 101 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 95 | 89 | $175 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 68 | 37 | $292 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 47 | 38 | $90 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $172 |
In context: peer comparison
Among 3 peers in Wildomar Nephrology Physician, average services per provider: 150. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$842
Transactions
41
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 13 | $242.02 | |
| Ardelyx, INC. | 3 | $92.29 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $74.78 | |
| Mallinckrodt Hospital Products INC. | 2 | $66.71 | |
| Novartis Pharmaceuticals Corporation | 2 | $53.79 | |
| Fresenius USA Marketing, INC. | 3 | $52.70 | |
| Amgen INC. | 2 | $51.28 | |
| Aurinia Pharma U.S., INC. | 2 | $46.86 | |
| Akebia Therapeutics INC | 1 | $29.53 | |
| Travere Therapeutics, INC. | 5 | $25.10 | |
| Lexicon Pharmaceuticals, INC. | 1 | $24.76 | |
| Otsuka America Pharmaceutical, INC. | 1 | $24.33 | |
| Vifor Pharma, INC. | 1 | $23.29 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $21.75 | |
| Daiichi Sankyo INC. | 1 | $13.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
638
Patients
168
Total drug cost
$132,768
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 71 | 26 | $908 |
| Furosemide | Generic | 62 | 22 | $952 |
| Tamsulosin Hcl | Generic | 62 | 21 | $2,035 |
| Calcitriol | Generic | 55 | 19 | $1,211 |
| Calcium Acetate | Generic | 53 | 21 | $8,476 |
| Carvedilol | Generic | 51 | 18 | $793 |
| Lisinopril | Generic | 44 | 18 | $479 |
| Veltassa (Patiromer Calcium Sorbitex) | Brand | 42 | 0 | $45,902 |
| Losartan Potassium | Generic | 36 | 12 | $509 |
| Sevelamer Carbonate | Generic | 32 | 11 | $18,014 |
Hospital affiliations
Frequently asked questions
What is Dr. David Chang's medical specialty?
Dr. David Chang practices Nephrology Physician in Wildomar, CA.
Where does Dr. David Chang practice?
Dr. David Chang practices at 36320 Inland Valley Dr, Wildomar, CA 925957512. Office phone: 9516007630.
What is Dr. David Chang's NPI?
Dr. David Chang's National Provider Identifier (NPI) is 1043266240, issued by NPPES.
Does Dr. David Chang accept Medicare assignment?
Yes. Dr. David Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Chang commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.