Doctor profile · Federal record

Dr. Robert Allison, M.B.B.S.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Loma Linda, CA

  • NPI 1841721586
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
11234 Anderson St
Loma Linda, CA 923501716
(909) 558-4344
Additional location
6200 N la Cholla Blvd
Tucson, AZ 857413529
(520) 742-9000
Additional location
5246 Brittany Drive, Lsu Emergency Medicine Residency Program
Baton Rouge, LA 70808
(225) 757-4142
fax (225) 757-4230
Mailing address
2277 W Capricorn St
Oro Valley, AZ 857428433

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
February 27, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A175468 · Arizona #60266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841721586. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
846
Distinct HCPCS
8
Medicare allowed
$94,159
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 329 326 $173
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 269 249 $8
99284 Emergency department visit with moderate level of medical decision making 119 115 $118
99291 Critical care, first 30-74 minutes 71 69 $211
99283 Emergency department visit with low level of medical decision making 19 19 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 16 16 $96
31500 Emergent insertion of breathing tube into windpipe using an endoscope 12 12 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $146

In context: peer comparison

Among 55 peers in Loma Linda Emergency Medicine Physician, average services per provider: 73. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $43.90

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
169
Patients
169
Total drug cost
$1,245
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 27 27 $332
Cephalexin Generic 26 26 $222
Prednisone Generic 20 20 $32
Azithromycin Generic 19 19 $63
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 17 17 $158
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 17 $68
Methocarbamol Generic 16 16 $68
Doxycycline Hyclate Generic 14 14 $163
Cefuroxime (Cefuroxime Axetil) Brand 13 13 $139

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Allison's medical specialty?
Dr. Robert Allison practices Emergency Medicine Physician in Loma Linda, CA.
Where does Dr. Robert Allison practice?
Dr. Robert Allison practices at 11234 Anderson St, Loma Linda, CA 923501716. Office phone: 9095584344.
What is Dr. Robert Allison's NPI?
Dr. Robert Allison's National Provider Identifier (NPI) is 1841721586, issued by NPPES.
Does Dr. Robert Allison accept Medicare assignment?
Yes. Dr. Robert Allison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Allison commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.