Doctor profile · Federal record

Dr. Rupert Rajaratnam, M.D.

Specialist (CMS: Anesthesiology) · Lancaster, CA

  • NPI 1922044833
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
43830 10Th St W
Lancaster, CA 935344826
(661) 940-1346
fax (661) 940-1362
Mailing address
Po Box 1750
Lancaster, CA 935391750

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 7, 2009
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #A83675
Medicaid
CA #00A836750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922044833. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
2
Medicare allowed
$5,664
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 22 22 $141
01922 Anesthesia for x-ray or radiation therapy 11 11 $232

In context: peer comparison

Among 8 peers in this city , average services per provider: 183. This provider delivers 0.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rupert Rajaratnam's medical specialty?
Dr. Rupert Rajaratnam practices Specialist in Lancaster, CA.
Where does Dr. Rupert Rajaratnam practice?
Dr. Rupert Rajaratnam practices at 43830 10Th St W, Lancaster, CA 935344826. Office phone: 6619401346.
What is Dr. Rupert Rajaratnam's NPI?
Dr. Rupert Rajaratnam's National Provider Identifier (NPI) is 1922044833, issued by NPPES.
Does Dr. Rupert Rajaratnam accept Medicare assignment?
Yes. Dr. Rupert Rajaratnam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rupert Rajaratnam commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for x-ray or radiation therapy (HCPCS 01922). Source: CMS Medicare Physician & Other Practitioners file.