Doctor profile · Federal record

Dr. Senthilraj Nadarajah, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Cerritos, CA

  • NPI 1164437935
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12855 Moorshire Dr
Cerritos, CA 907037277
(253) 232-7810
Additional location
888 Swift Blvd
Richland, WA 993523514
(509) 946-4611

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 5, 2019
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #CA53084 · Washington #MD00040699

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164437935. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
202
Distinct HCPCS
5
Medicare allowed
$22,268
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 92 41 $87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 51 28 $128
99239 Hospital discharge day management, more than 30 minutes 29 29 $129
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $182
99238 Hospital discharge day management, 30 minutes or less 15 15 $87

In context: peer comparison

Among 3 peers in this city , average services per provider: 29. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
11
Total drug cost
$43,487
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 20 11 $301
Furosemide Generic 19 0 $60
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 11 0 $43,042
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $83

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Senthilraj Nadarajah's medical specialty?
Dr. Senthilraj Nadarajah practices Internal Medicine Physician in Cerritos, CA.
Where does Dr. Senthilraj Nadarajah practice?
Dr. Senthilraj Nadarajah practices at 12855 Moorshire Dr, Cerritos, CA 907037277. Office phone: 2532327810.
What is Dr. Senthilraj Nadarajah's NPI?
Dr. Senthilraj Nadarajah's National Provider Identifier (NPI) is 1164437935, issued by NPPES.
Does Dr. Senthilraj Nadarajah accept Medicare assignment?
Yes. Dr. Senthilraj Nadarajah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Senthilraj Nadarajah commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.