Doctor profile · Federal record
Dr. Matthew Kaptein, M.D.
Nephrology Physician (CMS: Nephrology) · Loma Linda, CA
- NPI 1184995094
- Accepts Medicare
- MIPS 76.4 / 100 · 2023
- 15 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
11234 Anderson St
Loma Linda, CA 923542804
(909) 558-4906
fax (909) 558-0396 - Mailing address
-
1200 N State St, CT-A7D
Los Angeles, CA 900331029
Credentials & registration
- NPI registered
- January 2012 — 14 yrs on file
- Profile last updated
- December 20, 2023
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A125084
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184995094. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
680
Distinct HCPCS
9
Medicare allowed
$99,426
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 168 | 81 | $80 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 57 | $131 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 78 | 76 | $132 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 65 | 42 | $120 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 62 | 30 | $299 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 53 | 36 | $359 | |
90945 |
Dialysis procedure including 1 evaluation | 52 | 14 | $87 | |
90935 |
Hemodialysis procedure with physician evaluation | 46 | 28 | $73 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 40 | 24 | $181 |
In context: peer comparison
Among 8 peers in Loma Linda Nephrology Physician, average services per provider: 98. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
437
Patients
106
Total drug cost
$75,453
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Carvedilol | Generic | 61 | 25 | $807 |
| Amlodipine Besylate | Generic | 54 | 20 | $399 |
| Calcitriol | Generic | 54 | 18 | $1,047 |
| Aranesp (Darbepoetin Alfa in Polysorbat) | Brand | 45 | 0 | $18,872 |
| Losartan Potassium | Generic | 45 | 20 | $1,145 |
| Lisinopril | Generic | 33 | 12 | $304 |
| Furosemide | Generic | 28 | 0 | $386 |
| Nifedipine ER (Nifedipine) | Brand | 20 | 11 | $1,386 |
| Allopurinol | Generic | 15 | 0 | $247 |
| Spironolactone | Generic | 15 | 0 | $288 |
Frequently asked questions
What is Dr. Matthew Kaptein's medical specialty?
Dr. Matthew Kaptein practices Nephrology Physician in Loma Linda, CA.
Where does Dr. Matthew Kaptein practice?
Dr. Matthew Kaptein practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095584906.
What is Dr. Matthew Kaptein's NPI?
Dr. Matthew Kaptein's National Provider Identifier (NPI) is 1184995094, issued by NPPES.
Does Dr. Matthew Kaptein accept Medicare assignment?
Yes. Dr. Matthew Kaptein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Kaptein commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.