Doctor profile · Federal record

Dr. Ashley Nguyen, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Newport Beach, CA

  • NPI 1770970352
  • Accepts Medicare
  • MIPS 53.7 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Hoag Dr
Newport Beach, CA 92663
(949) 610-7245
fax (657) 241-7720
Mailing address
Po Box 3589
Newport Beach, CA 926598589

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 4, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A147366

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770970352. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
965
Distinct HCPCS
6
Medicare allowed
$100,778
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 534 208 $83
99239 Hospital discharge day management, more than 30 minutes 155 153 $121
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 119 69 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 106 105 $182
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 31 18 $52
99238 Hospital discharge day management, 30 minutes or less 20 20 $86

In context: peer comparison

Among 33 peers in this city , average services per provider: 162. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
62
Total drug cost
$8,700
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $132
Atorvastatin Calcium Generic 17 12 $82
Ondansetron Odt (Ondansetron) Brand 16 16 $251
Eliquis (Apixaban) Brand 14 0 $8,202
Prednisone Generic 14 14 $35

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Nguyen's medical specialty?
Dr. Ashley Nguyen practices Hospitalist Physician in Newport Beach, CA.
Where does Dr. Ashley Nguyen practice?
Dr. Ashley Nguyen practices at 1 Hoag Dr, Newport Beach, CA 92663. Office phone: 9496107245.
What is Dr. Ashley Nguyen's NPI?
Dr. Ashley Nguyen's National Provider Identifier (NPI) is 1770970352, issued by NPPES.
Does Dr. Ashley Nguyen accept Medicare assignment?
Yes. Dr. Ashley Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.