Doctor profile · Federal record

Dr. Derek Phan, MD

Cardiovascular Disease Physician (CMS: Internal Medicine) · Internal Medicine Physician · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Interventional Cardiology Physician · Interventional Cardiology Physician · Interventional Cardiology Physician · Interventional Cardiology Physician · Temescal Valley, CA

  • NPI 1598184244
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 4 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
21634 Retreat Pkwy
Temescal Valley, CA 928836100
(951) 493-6650
Additional location
4733 W Sunset Blvd
Los Angeles, CA 900276021
(237) 834-0113
Additional location
800 S Main St
Corona, CA 928823420
(213) 569-1450
Show 1 more location
Additional location
1818 N Meade St
Appleton, WI 549113454
(920) 731-8900
fax (920) 738-5369
Mailing address
10798 Jurupa RD, Po Box 136
Jurupa Valley, CA 91752

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
July 31, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (4)
Wisconsin #100522 · Washington #MD61123756 · Kansas #0447579 · California #A138554

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598184244. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
239
Distinct HCPCS
9
Medicare allowed
$22,073
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 68 61 $15
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 33 32 $241
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 31 30 $12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $135
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 14 $123
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 18 18 $71
99213 Established patient office or other outpatient visit, 20-29 minutes 17 14 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 15 13 $134
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $180

In context: peer comparison

Among 2 peers in this city , average services per provider: 26. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
601
Patients
158
Total drug cost
$62,140
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 117 39 $2,715
Metoprolol Tartrate Generic 80 18 $748
Metoprolol Succinate Generic 71 25 $2,303
Eliquis (Apixaban) Brand 55 13 $51,341
Lisinopril Generic 49 12 $403
Furosemide Generic 44 13 $278
Rosuvastatin Calcium Generic 42 14 $2,041
Carvedilol Generic 41 13 $565
Clopidogrel (Clopidogrel Bisulfate) Brand 29 11 $601
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 20 0 $499

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Phan's medical specialty?
Dr. Derek Phan practices Cardiovascular Disease Physician in Temescal Valley, CA.
Where does Dr. Derek Phan practice?
Dr. Derek Phan practices at 21634 Retreat Pkwy, Temescal Valley, CA 928836100. Office phone: 9514936650.
What is Dr. Derek Phan's NPI?
Dr. Derek Phan's National Provider Identifier (NPI) is 1598184244, issued by NPPES.
Does Dr. Derek Phan accept Medicare assignment?
Yes. Dr. Derek Phan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Phan commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (HCPCS 93458); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152). Source: CMS Medicare Physician & Other Practitioners file.