Nan Sandar, M.D.
NPI 1376785634 · Specialist · Brooklyn, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nan Sandar, M.D. is a Specialist provider in Brooklyn, NY (NPI 1376785634).
Provider details
- NPI number
- 1376785634
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 252447-1 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
166 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 | 118 | $102 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 36 | $126 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 12 | $405 |
Typical Medicare-allowed amounts for these services range $102–$405 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 102 | 65 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 46 | 46 |
| Famotidine | 17 | 11 |
| Sucralfate | 15 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 14 | 14 |
| Tenofovir Disoproxil Fumarate | 14 | — |
| Pantoprazole Sodium | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$566 across 29 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
- 2009-04-01
- Last updated
- 2009-04-01
Frequently asked questions
- What is Nan Sandar's NPI number?
- Nan Sandar's National Provider Identifier (NPI) is 1376785634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nan Sandar's specialty?
- Nan Sandar is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Nan Sandar located?
- Nan Sandar's practice location on file with NPPES is 129 Saint Nicholas Ave, Brooklyn, NY 11237-4039.
- What is Nan Sandar's phone number?
- The practice phone number listed in the NPPES registry for Nan Sandar is (718) 821-0643.
- Does Nan Sandar accept Medicare?
- Nan Sandar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nan Sandar's NPI active?
- Yes — Nan Sandar's NPI (1376785634) is active in the NPPES registry as of the last update on 2009-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.