Doctor profile · Federal record

Dr. Jaclyn Leong, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Irvine, CA

  • NPI 1225564727
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
856 Health Sciences Road
Irvine, CA 92617
(949) 824-7000
Additional location
1640 Newport Blvd Ste 200
Costa Mesa, CA 926273786
(714) 456-8180
Additional location
1501 N Campbell Ave Rm 6336
Tucson, AZ 857245040
(520) 626-8818
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
March 8, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #20A18532 · Arizona #R2783

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225564727. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
221
Distinct HCPCS
4
Medicare allowed
$39,446
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 141 73 $171
99205 New patient office or other outpatient visit, 60-74 minutes 33 33 $221
99214 Established patient office or other outpatient visit, 30-39 minutes 33 24 $123
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 14 14 $282

In context: peer comparison

Among 37 peers in this city , average services per provider: 103. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
373
Patients
28
Total drug cost
$21,680
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 50 13 $1,229
Levothyroxine Sodium Generic 45 15 $728
Amlodipine Besylate Generic 32 0 $210
Lisinopril Generic 28 0 $450
Famotidine Generic 27 0 $195
Gabapentin Generic 27 0 $1,154
Hydrochlorothiazide Generic 23 0 $45
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 21 0 $624
Atorvastatin Calcium Generic 21 0 $214
Metoprolol Succinate Generic 19 0 $287

Frequently asked questions

Auto-generated from federal data
What is Dr. Jaclyn Leong's medical specialty?
Dr. Jaclyn Leong practices Internal Medicine Physician in Irvine, CA.
Where does Dr. Jaclyn Leong practice?
Dr. Jaclyn Leong practices at 856 Health Sciences Road, Irvine, CA 92617. Office phone: 9498247000.
What is Dr. Jaclyn Leong's NPI?
Dr. Jaclyn Leong's National Provider Identifier (NPI) is 1225564727, issued by NPPES.
Does Dr. Jaclyn Leong accept Medicare assignment?
Yes. Dr. Jaclyn Leong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jaclyn Leong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.