Doctor profile · Federal record

Dr. Billy le, D.O.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Fountain Valley, CA

  • NPI 1255656963
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17360 Brookhurst Street, Attn: Credentialing Department
Fountain Valley, CA 92708
(714) 797-1797

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
July 31, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #20A11949

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255656963. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
449
Distinct HCPCS
3
Medicare allowed
$43,467
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 336 107 $85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 66 62 $139
99239 Hospital discharge day management, more than 30 minutes 47 46 $124

In context: peer comparison

Among 7 peers in this city , average services per provider: 158. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
16
Total drug cost
$138
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $138

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Billy le's medical specialty?
Dr. Billy le practices Hospitalist Physician in Fountain Valley, CA.
Where does Dr. Billy le practice?
Dr. Billy le practices at 17360 Brookhurst Street, Fountain Valley, CA 92708. Office phone: 7147971797.
What is Dr. Billy le's NPI?
Dr. Billy le's National Provider Identifier (NPI) is 1255656963, issued by NPPES.
Does Dr. Billy le accept Medicare assignment?
Yes. Dr. Billy le accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Billy le commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.