Nimisha Parekh, MD
NPI 1740397421 · Gastroenterology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nimisha Parekh, MD is a Gastroenterology Physician provider in Orange, CA (NPI 1740397421).
Provider details
- NPI number
- 1740397421
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A96159 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
116 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $105 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 26 | $126 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 15 | $277 |
Typical Medicare-allowed amounts for these services range $105–$277 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 85 | 27 |
| Mesalamine | 51 | 13 |
| Ustekinumabbrand: Stelara | 43 | — |
| Vedolizumabbrand: Entyvio | 30 | — |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 30 | — |
| Adalimumabbrand: Humira(cf) Pen | 20 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$139 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nimisha Parekh's NPI number?
- Nimisha Parekh's National Provider Identifier (NPI) is 1740397421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nimisha Parekh's specialty?
- Nimisha Parekh is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nimisha Parekh located?
- Nimisha Parekh's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Nimisha Parekh's phone number?
- The practice phone number listed in the NPPES registry for Nimisha Parekh is (714) 456-8068.
- Does Nimisha Parekh accept Medicare?
- Nimisha Parekh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nimisha Parekh's NPI active?
- Yes — Nimisha Parekh's NPI (1740397421) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.