Gina Kwak, M.D.
NPI 1396742201 · Gastroenterology Physician · Great Neck, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gina Kwak, M.D. is a Gastroenterology Physician provider in Great Neck, NY (NPI 1396742201).
Provider details
- NPI number
- 1396742201
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 187525 (NY)
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
20 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
812 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 | 394 | $154 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 84 | $422 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 84 | $69 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 81 | $203 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 63 | $441 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope |
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 |
|---|---|---|
| Pantoprazole Sodium | 169 | 60 |
| Omeprazole | 150 | 49 |
| Famotidine | 49 | 16 |
| Mesalamine | 42 | — |
| Dicyclomine Hcl | 41 | 26 |
| Hydrocortisone | 29 | 15 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,115 across 98 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
- 2005-07-07
- Last updated
- 2009-12-16
Frequently asked questions
- What is Gina Kwak's NPI number?
- Gina Kwak's National Provider Identifier (NPI) is 1396742201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gina Kwak's specialty?
- Gina Kwak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gina Kwak located?
- Gina Kwak's practice location on file with NPPES is 310 E Shore Rd, Great Neck, NY 11023-2432.
- What is Gina Kwak's phone number?
- The practice phone number listed in the NPPES registry for Gina Kwak is (516) 487-7677.
- Does Gina Kwak accept Medicare?
- Gina Kwak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gina Kwak's NPI active?
- Yes — Gina Kwak's NPI (1396742201) is active in the NPPES registry as of the last update on 2009-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.