Doctor profile · Federal record

Dr. Krystal Uong, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Ontario, CA

  • NPI 1144998378
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
437 N Euclid Ave
Ontario, CA 917623456
(909) 988-2555
fax (909) 988-4447

Credentials & registration

NPPES · NUCC
NPI registered
September 2021 — 5 yrs on file
Profile last updated
July 10, 2024
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95021232

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144998378. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25
Distinct HCPCS
1
Medicare allowed
$238
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 25 18 $10

In context: peer comparison

Among 7 peers in Ontario Family Nurse Practitioner, average services per provider: 524. This provider delivers 0.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$330
Transactions
15
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 4 $79.50
Regeneron Healthcare Solutions, INC. 1 $38.94
Hologic Sales and Service, LLC 1 $32.38
GlaxoSmithKline, LLC. 2 $31.80
Novo Nordisk INC 1 $29.18
Dynavax Technologies Corporation 1 $28.40
Otsuka America Pharmaceutical, INC. 1 $23.98
Pfizer INC. 1 $23.81
Bayer Healthcare Pharmaceuticals INC. 1 $14.82
Abbvie INC. 1 $14.27
Lilly USA, LLC 1 $13.10

By nature of payment

Food and Beverage
$330

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
509
Patients
160
Total drug cost
$10,184
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 97 39 $2,626
Metformin Hcl Generic 87 35 $1,568
Lisinopril Generic 58 27 $1,013
Amlodipine Besylate Generic 41 17 $572
Levothyroxine Sodium Generic 30 12 $562
Rosuvastatin Calcium Generic 23 0 $990
Tamsulosin Hcl Generic 23 0 $763
Losartan Potassium Generic 22 15 $652
Famotidine Generic 21 0 $281
Furosemide Generic 20 0 $142

Frequently asked questions

Auto-generated from federal data
What is Dr. Krystal Uong's medical specialty?
Dr. Krystal Uong practices Family Nurse Practitioner in Ontario, CA.
Where does Dr. Krystal Uong practice?
Dr. Krystal Uong practices at 437 N Euclid Ave, Ontario, CA 917623456. Office phone: 9099882555.
What is Dr. Krystal Uong's NPI?
Dr. Krystal Uong's National Provider Identifier (NPI) is 1144998378, issued by NPPES.
Does Dr. Krystal Uong accept Medicare assignment?
Yes. Dr. Krystal Uong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Krystal Uong commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.