Doctor profile · Federal record
Dr. Koosha Mortazavi, M.D.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Oxnard, CA
- NPI 1215966999
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 W Gonzales RD, Suite 300
Oxnard, CA 930363072
(805) 278-9094
fax (805) 278-8964
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- January 14, 2010
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A91559
- Medicaid
- CA #ZZZ75566Z
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215966999. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,360
Distinct HCPCS
10
Medicare allowed
$415,256
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 765 | 239 | $109 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 693 | 243 | $126 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 430 | 52 | $374 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 143 | 129 | $183 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 139 | 89 | $84 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 75 | 33 | $313 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 45 | 45 | $233 | |
99291 |
Critical care, first 30-74 minutes | 30 | 26 | $223 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 19 | $88 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 18 | $195 |
In context: peer comparison
Among 4 peers in Oxnard Nephrology Physician, average services per provider: 208. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,538
Patients
393
Total drug cost
$112,638
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 231 | 63 | $2,743 |
| Losartan Potassium | Generic | 181 | 55 | $3,040 |
| Hydralazine Hcl | Generic | 174 | 44 | $3,926 |
| Furosemide | Generic | 173 | 52 | $1,097 |
| Hydrochlorothiazide | Generic | 141 | 36 | $448 |
| Doxazosin Mesylate | Generic | 113 | 28 | $4,881 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 101 | 18 | $73,005 |
| Sevelamer Carbonate | Generic | 84 | 19 | $12,071 |
| Metoprolol Succinate | Generic | 64 | 18 | $1,221 |
| Lisinopril | Generic | 54 | 16 | $623 |
Hospital affiliations
Frequently asked questions
What is Dr. Koosha Mortazavi's medical specialty?
Dr. Koosha Mortazavi practices Nephrology Physician in Oxnard, CA.
Where does Dr. Koosha Mortazavi practice?
Dr. Koosha Mortazavi practices at 1200 W Gonzales RD, Oxnard, CA 930363072. Office phone: 8052789094.
What is Dr. Koosha Mortazavi's NPI?
Dr. Koosha Mortazavi's National Provider Identifier (NPI) is 1215966999, issued by NPPES.
Does Dr. Koosha Mortazavi accept Medicare assignment?
Yes. Dr. Koosha Mortazavi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Koosha Mortazavi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.