Doctor profile · Federal record

Dr. Alejandro Villegas, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Chula Vista, CA

  • NPI 1558541235
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
751 Medical Center CT
Chula Vista, CA 919116617
(877) 897-8402
Mailing address
13223 Black Mountain RD Ste 1-357
San Diego, CA 921292698

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
January 9, 2025
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
California #C144036

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558541235. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
331
Distinct HCPCS
6
Medicare allowed
$58,347
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 204 104 $218
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 51 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 21 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $179
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 13 13 $85
31500 Emergent insertion of breathing tube into windpipe using an endoscope 11 11 $141

In context: peer comparison

Among 3 peers in Chula Vista Critical Care Medicine (Internal Medicine) Physician, average services per provider: 50. This provider delivers 6.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Alejandro Villegas's medical specialty?
Dr. Alejandro Villegas practices Critical Care Medicine (Internal Medicine) Physician in Chula Vista, CA.
Where does Dr. Alejandro Villegas practice?
Dr. Alejandro Villegas practices at 751 Medical Center CT, Chula Vista, CA 919116617. Office phone: 8778978402.
What is Dr. Alejandro Villegas's NPI?
Dr. Alejandro Villegas's National Provider Identifier (NPI) is 1558541235, issued by NPPES.
Does Dr. Alejandro Villegas accept Medicare assignment?
Yes. Dr. Alejandro Villegas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alejandro Villegas commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.