Doctor profile · Federal record

Dr. Aloysius Rho, MD

Gastroenterology Physician (CMS: Gastroenterology) · Princeton, NJ

  • NPI 1710987334
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
731 Alexander RD, Suite 100
Princeton, NJ 085406345
(609) 924-1422
fax (609) 924-7473

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 11, 2019
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New Jersey #25MA07036700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710987334. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
374
Distinct HCPCS
10
Medicare allowed
$47,448
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 72 69 $96
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 71 71 $114
45380 Biopsy of large bowel using a flexible endoscope 60 60 $133
99214 Established patient office or other outpatient visit, 30-39 minutes 39 37 $135
99203 New patient office or other outpatient visit, 30-44 minutes 38 38 $107
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 28 28 $262
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $169
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 19 19 $165
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 13 13 $5
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $62

In context: peer comparison

Among 5 peers in this city , average services per provider: 66. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
956
Patients
347
Total drug cost
$117,651
Drug Type Claims Patients Total cost
Omeprazole Generic 414 155 $7,563
Pantoprazole Sodium Generic 125 44 $2,498
Famotidine Generic 78 36 $1,441
Esomeprazole Magnesium Generic 66 20 $7,045
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 39 37 $2,998
Linzess (Linaclotide) Brand 33 0 $34,436
Mesalamine Generic 27 0 $14,346
Sucralfate Generic 27 18 $2,281
Lansoprazole Generic 26 0 $1,384
Metronidazole Generic 25 16 $371

Frequently asked questions

Auto-generated from federal data
What is Dr. Aloysius Rho's medical specialty?
Dr. Aloysius Rho practices Gastroenterology Physician in Princeton, NJ.
Where does Dr. Aloysius Rho practice?
Dr. Aloysius Rho practices at 731 Alexander RD, Princeton, NJ 085406345. Office phone: 6099241422.
What is Dr. Aloysius Rho's NPI?
Dr. Aloysius Rho's National Provider Identifier (NPI) is 1710987334, issued by NPPES.
Does Dr. Aloysius Rho accept Medicare assignment?
Yes. Dr. Aloysius Rho accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aloysius Rho commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.