Doctor profile · Federal record
Dr. Alexander Kay, MD
Nephrology Physician (CMS: Nephrology) · San Diego, CA
- NPI 1598824187
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4647 Zion Ave
San Diego, CA 921202507
(619) 528-5000
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- December 23, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A53122
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598824187. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32
Distinct HCPCS
1
Medicare allowed
$2,618
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 32 | 15 | $82 |
In context: peer comparison
Among 17 peers in San Diego Nephrology Physician, average services per provider: 157. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,574
Patients
586
Total drug cost
$80,070
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 255 | 97 | $4,497 |
| Calcitriol | Generic | 213 | 72 | $5,635 |
| Allopurinol | Generic | 168 | 56 | $1,838 |
| Amlodipine Besylate | Generic | 157 | 65 | $1,970 |
| Losartan Potassium | Generic | 127 | 48 | $2,176 |
| Sevelamer Carbonate | Generic | 112 | 52 | $34,521 |
| Metoprolol Tartrate | Generic | 88 | 34 | $1,049 |
| Lisinopril | Generic | 86 | 36 | $1,027 |
| Potassium Chloride | Generic | 68 | 28 | $3,351 |
| Atorvastatin Calcium | Generic | 66 | 25 | $769 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexander Kay's medical specialty?
Dr. Alexander Kay practices Nephrology Physician in San Diego, CA.
Where does Dr. Alexander Kay practice?
Dr. Alexander Kay practices at 4647 Zion Ave, San Diego, CA 921202507. Office phone: 6195285000.
What is Dr. Alexander Kay's NPI?
Dr. Alexander Kay's National Provider Identifier (NPI) is 1598824187, issued by NPPES.
Does Dr. Alexander Kay accept Medicare assignment?
Yes. Dr. Alexander Kay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Kay commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.