Nancy Chen, MD
NPI 1063742534 · Gastroenterology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Chen, MD is a Gastroenterology Physician provider in Brooklyn, NY (NPI 1063742534).
Provider details
- NPI number
- 1063742534
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 283889 (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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
441 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 135 | $103 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 104 | $188 |
| Infusion Into a Vein for Hydration, 31-60 Minutes96360 | 72 | $37 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 48 | $339 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 36 | $403 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 247 | 94 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 92 | 90 |
| Famotidine | 67 | 28 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 21 | 21 |
| Linaclotidebrand: Linzess | 20 | — |
| Sucralfate | 17 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,958 across 104 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
Additional practice locations (1)
- 730 58th StBrooklyn, NY 11220-3917Phone: (718) 567-8808Fax: (718) 567-8820
Registry dates
- Enumerated
- 2010-01-06
- Last updated
- 2018-08-08
Frequently asked questions
- What is Nancy Chen's NPI number?
- Nancy Chen's National Provider Identifier (NPI) is 1063742534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Chen's specialty?
- Nancy Chen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Chen located?
- Nancy Chen's practice location on file with NPPES is 1517 Voorhies Ave Ste 1, Brooklyn, NY 11235.
- What is Nancy Chen's phone number?
- The practice phone number listed in the NPPES registry for Nancy Chen is (718) 332-0600.
- Does Nancy Chen accept Medicare?
- Nancy Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Chen's NPI active?
- Yes — Nancy Chen's NPI (1063742534) is active in the NPPES registry as of the last update on 2018-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.