Doctor profile · Federal record

Dr. Nimisha Parekh, MD

Gastroenterology Physician (CMS: Internal Medicine) · Orange, CA

  • NPI 1740397421
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-8068
fax (714) 456-3765
Mailing address
Po Box 54509
Los Angeles, CA 900540509

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A96159

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740397421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
271
Distinct HCPCS
9
Medicare allowed
$32,932
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 59 37 $105
45380 Biopsy of large bowel using a flexible endoscope 50 50 $162
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 21 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 33 26 $103
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 25 $139
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 24 24 $101
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $89
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 15 15 $262
99213 Established patient office or other outpatient visit, 20-29 minutes 13 13 $69

In context: peer comparison

Among 16 peers in Orange Gastroenterology Physician, average services per provider: 65. This provider delivers 4.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $139.13

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
398
Patients
37
Total drug cost
$1,761,293
Drug Type Claims Patients Total cost
Omeprazole Generic 82 20 $893
Stelara (Ustekinumab) Brand 59 0 $1,614,704
Mesalamine Generic 41 0 $22,760
Pantoprazole Sodium Generic 30 0 $518
Loperamide (Loperamide Hcl) Brand 26 0 $1,143
Sodium Chloride (0.9 % Sodium Chloride) Brand 25 0 $390
Dicyclomine Hcl Generic 22 0 $288
Methotrexate (Methotrexate Sodium) Brand 18 0 $517
Famotidine Generic 17 0 $339
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 17 17 $1,405

Frequently asked questions

Auto-generated from federal data
What is Dr. Nimisha Parekh's medical specialty?
Dr. Nimisha Parekh practices Gastroenterology Physician in Orange, CA.
Where does Dr. Nimisha Parekh practice?
Dr. Nimisha Parekh practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144568068.
What is Dr. Nimisha Parekh's NPI?
Dr. Nimisha Parekh's National Provider Identifier (NPI) is 1740397421, issued by NPPES.
Does Dr. Nimisha Parekh accept Medicare assignment?
Yes. Dr. Nimisha Parekh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nimisha Parekh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.