Doctor profile · Federal record

Dr. James Nachiondo, MD

Gastroenterology Physician (CMS: Gastroenterology) · Reno, NV

  • NPI 1407832231
  • Accepts Medicare
  • MIPS 29.4 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
10619 Professional Cir
Reno, NV 895215831
(775) 852-4848
fax (775) 850-5763
Additional location
10121 Pine Ave
Truckee, CA 961614835
(530) 587-7698

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
December 22, 2022
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Nevada #11261
Medicaid
NV #100507554

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407832231. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
4
Medicare allowed
$10,320
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 26 26 $255
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $129
45380 Biopsy of large bowel using a flexible endoscope 12 12 $62

In context: peer comparison

Among 6 peers in Reno Gastroenterology Physician, average services per provider: 43. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$239
Transactions
11
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 6 $141.08
Abbvie INC. 4 $79.08
Takeda Pharmaceuticals U.S.A., INC. 1 $18.40

By nature of payment

Food and Beverage
$155
Education
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
452
Patients
245
Total drug cost
$182,386
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 157 84 $4,084
Omeprazole Generic 77 38 $1,585
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 75 75 $6,131
Famotidine Generic 70 36 $1,130
Colestipol Hcl Generic 19 12 $1,813
Ondansetron Odt (Ondansetron) Brand 18 0 $542
Linzess (Linaclotide) Brand 14 0 $13,147
Humira(Cf) Pen (Adalimumab) Brand 11 0 $146,388
Mesalamine Generic 11 0 $7,567

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Nachiondo's medical specialty?
Dr. James Nachiondo practices Gastroenterology Physician in Reno, NV.
Where does Dr. James Nachiondo practice?
Dr. James Nachiondo practices at 10619 Professional Cir, Reno, NV 895215831. Office phone: 7758524848.
What is Dr. James Nachiondo's NPI?
Dr. James Nachiondo's National Provider Identifier (NPI) is 1407832231, issued by NPPES.
Does Dr. James Nachiondo accept Medicare assignment?
Yes. Dr. James Nachiondo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Nachiondo commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.