Doctor profile · Federal record

Dr. Laren Tan, M.D.

Pulmonary Disease Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Internal Medicine) Physician · Internal Medicine Physician · Loma Linda, CA

  • NPI 1821230467
  • Accepts Medicare
  • MIPS 76.4 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11234 Anderson St # Mc-1516
Loma Linda, CA 923542804
(909) 558-4908
Mailing address
11234 Anderson St, Room 6427
Loma Linda, CA 923542804

Credentials & registration

NPPES · NUCC
NPI registered
March 2009 — 17 yrs on file
Profile last updated
November 19, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A113182

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821230467. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
628
Distinct HCPCS
10
Medicare allowed
$82,741
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 192 62 $215
99292 Critical care, each additional 30 minutes 114 55 $107
99214 Established patient office or other outpatient visit, 30-39 minutes 67 58 $127
99215 Established patient office or other outpatient visit, 40-54 minutes 56 47 $181
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 55 38 $121
94729 Test to examine how well the lungs exchange gases 41 40 $9
94060 Test to measure expiratory airflow and volume changes before and after medication administration 40 40 $10
94726 Test to determine lung volumes using sensors 32 32 $12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $132
94618 Test for exercise-induced lung stress 12 12 $22

In context: peer comparison

Among 3 peers in this city , average services per provider: 56. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,653
Patients
417
Total drug cost
$1,144,870
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 236 50 $198,834
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 219 73 $7,480
Montelukast Sodium Generic 193 61 $4,609
Prednisone Generic 150 54 $735
Spiriva Respimat (Tiotropium Bromide) Brand 146 28 $82,578
Breo Ellipta (Fluticasone/Vilanterol) Brand 114 29 $69,963
Azithromycin Generic 107 44 $929
Dupixent Syringe (Dupilumab) Brand 80 11 $318,074
Symbicort (Budesonide/Formoterol Fumarate) Brand 80 18 $38,031
Fluticasone Propionate Generic 65 21 $1,225

Frequently asked questions

Auto-generated from federal data
What is Dr. Laren Tan's medical specialty?
Dr. Laren Tan practices Pulmonary Disease Physician in Loma Linda, CA.
Where does Dr. Laren Tan practice?
Dr. Laren Tan practices at 11234 Anderson St # Mc-1516, Loma Linda, CA 923542804. Office phone: 9095584908.
What is Dr. Laren Tan's NPI?
Dr. Laren Tan's National Provider Identifier (NPI) is 1821230467, issued by NPPES.
Does Dr. Laren Tan accept Medicare assignment?
Yes. Dr. Laren Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Laren Tan commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Critical care (HCPCS 99292); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.