DR. NAN SANDAR M.D.
NPI 1376785634
Specialist in Brooklyn, NY

Q: What is Nan Sandar's NPI number?

The NPI number for Nan Sandar is 1376785634. It was assigned to this individual provider in the NPPES registry on April 1, 2009.

Q: What is Nan Sandar's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Nan Sandar was last updated on April 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 01, 2009PECOS EnrolledAccepts Medicare Assignment

129 SAINT NICHOLAS AVE, BROOKLYN, NY 11237(718) 821-0643(718) 628-4123 Get Directions Write a Review

NPPES record last updated: April 1, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Nan Sandar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NAN SANDAR M.D. (NPI 1376785634) is an individual specialist in Brooklyn, New York, licensed in New York (252447-1) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1376785634

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameDR. NAN SANDARCredential: M.D.

Location Address129 SAINT NICHOLAS AVEBrooklyn, NY 11237-4039

Mailing Address129 Saint Nicholas AveBrooklyn, NY 11237-4039 · (718) 821-0643 · Fax (718) 628-4123

Phone(718) 821-0643

Fax(718) 628-4123

Sole ProprietorYes

Medical School CMSOtherGraduated 2000

Enumeration DateApril 1, 2009

✔ NPI 1376785634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 252447-1

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

129 SAINT NICHOLAS AVE, Brooklyn, NY 11237

Open in Google Maps ↗

Other Identifiers 1

Medicare UPINI44636CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nan Sandar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860410156

PECOS Enrollment IDI20090824000145

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nan Sandar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Michael Li MD PLLC

6.0 mi

Specialist

13620 38TH AVE, SUITE 6F
Flushing, NY 11354

Reassigned Medicare billing, New York enrollment
4 clinicians in this Medicare group

NPI 1508891508 (718) 888-9700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

118 services87 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

36 services36 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

12 services11 patients

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MUKUL ARYA M.D.

Internal Medicine (Gastroenterology)

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

YASH PAL ARYA, M.D., P.C.

Specialist

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

MR. JOHN COTA PA

Internal Medicine (Gastroenterology)

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

MRS. CYNTHIA RUSSELL RPAC

Physician Assistant (Medical)

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

MS. NADIA LEE F.N.P

Nurse Practitioner (Family)

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

DR. YASHPAL ARYA M.D.

Internal Medicine (Gastroenterology)

129 SAINT NICHOLAS AVE, 1F
BROOKLYN, NY 11237

Kings County (718) 821-0643

NEO CARE MEDICAL, P.C.

Anesthesiology

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

JANUS MEDICAL P.C

Internal Medicine (Gastroenterology)

129 SAINT NICHOLAS AVE
BROOKLYN, NY 11237

Kings County (718) 821-0643

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nan Sandar's NPI number?

The NPI number for Nan Sandar is 1376785634. It was assigned to this individual provider in the NPPES registry on April 1, 2009.

Where is Nan Sandar located?

Nan Sandar practices at 129 Saint Nicholas Ave, Brooklyn, NY 11237. The listed phone number is (718) 821-0643.

What is Nan Sandar's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Nan Sandar enrolled in Medicare?

Yes. Nan Sandar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nan Sandar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nan Sandar reassigns Medicare benefits to Michael Li MD PLLC (Flushing, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nan Sandar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nan Sandar was last updated on April 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.