Doctor profile · Federal record

Dr. Alyssa le, M.D

Internal Medicine Physician (CMS: Internal Medicine) · Mission Viejo, CA

  • NPI 1245461722
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26800 Crown Valley Pkwy, Suite 315
Mission Viejo, CA 926916384
(949) 364-6000
fax (949) 364-1204
Mailing address
26522 la Alameda, Suite 120
Mission Viejo, CA 926916330

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
November 5, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A103300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245461722. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
672
Distinct HCPCS
5
Medicare allowed
$76,410
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 333 135 $83
99239 Hospital discharge day management, more than 30 minutes 149 145 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 113 110 $183
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 48 36 $125
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 29 29 $137

In context: peer comparison

Among 22 peers in this city , average services per provider: 176. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$366
Transactions
14
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 6 $172.32
Janssen Pharmaceuticals, Inc 3 $83.43
PFIZER INC. 3 $57.95
Merck Sharp & Dohme LLC 2 $52.77

By nature of payment

Food and Beverage
$366

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
48
Patients
32
Total drug cost
$8,452
Drug Type Claims Patients Total cost
Levofloxacin Generic 20 20 $110
Eliquis (Apixaban) Brand 15 0 $8,308
Furosemide Generic 13 12 $34

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa le's medical specialty?
Dr. Alyssa le practices Internal Medicine Physician in Mission Viejo, CA.
Where does Dr. Alyssa le practice?
Dr. Alyssa le practices at 26800 Crown Valley Pkwy, Mission Viejo, CA 926916384. Office phone: 9493646000.
What is Dr. Alyssa le's NPI?
Dr. Alyssa le's National Provider Identifier (NPI) is 1245461722, issued by NPPES.
Does Dr. Alyssa le accept Medicare assignment?
Yes. Dr. Alyssa le accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa le 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.