Doctor profile · Federal record
Dr. Nancy Hernandez, DO
Nephrology Physician (CMS: Nephrology) · Fullerton, CA
- NPI 1831305879
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 E Valencia Mesa Dr Ste 100
Fullerton, CA 928353816
(714) 992-5581 - Mailing address
-
12665 Garden Grove Blvd Ste 211
Garden Grove, CA 928431916
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- November 21, 2023
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #20A9829
- Medicaid
- CA #ZZZ75439Z
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831305879. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,710
Distinct HCPCS
10
Medicare allowed
$362,222
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 802 | 262 | $82 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 390 | 52 | $53 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 380 | 154 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 357 | 156 | $114 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 322 | 45 | $371 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 193 | 175 | $182 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 138 | 34 | $58 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 57 | 36 | $311 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $178 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 17 | $94 |
In context: peer comparison
Among 1 peers in Fullerton Nephrology Physician, average services per provider: 225. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$486
Transactions
21
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 12 | $199.23 | |
| Travere Therapeutics, INC. | 1 | $94.60 | |
| Otsuka America Pharmaceutical, INC. | 3 | $84.78 | |
| Vifor Pharma, INC. | 2 | $49.18 | |
| Amgen INC. | 1 | $23.63 | |
| Ardelyx, INC. | 1 | $18.57 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $16.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,081
Patients
312
Total drug cost
$107,294
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calcitriol | Generic | 136 | 33 | $2,306 |
| Sevelamer Carbonate | Generic | 122 | 33 | $37,598 |
| Allopurinol | Generic | 118 | 34 | $1,906 |
| Furosemide | Generic | 107 | 33 | $1,069 |
| Hydralazine Hcl | Generic | 92 | 30 | $1,510 |
| Amlodipine Besylate | Generic | 81 | 21 | $1,143 |
| Lisinopril | Generic | 64 | 20 | $925 |
| Calcium Acetate | Generic | 63 | 18 | $6,836 |
| Midodrine Hcl | Generic | 49 | 16 | $3,303 |
| Losartan Potassium | Generic | 47 | 14 | $695 |
Frequently asked questions
What is Dr. Nancy Hernandez's medical specialty?
Dr. Nancy Hernandez practices Nephrology Physician in Fullerton, CA.
Where does Dr. Nancy Hernandez practice?
Dr. Nancy Hernandez practices at 100 E Valencia Mesa Dr Ste 100, Fullerton, CA 928353816. Office phone: 7149925581.
What is Dr. Nancy Hernandez's NPI?
Dr. Nancy Hernandez's National Provider Identifier (NPI) is 1831305879, issued by NPPES.
Does Dr. Nancy Hernandez accept Medicare assignment?
Yes. Dr. Nancy Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.