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Edit this profileAt a glance
- 129 Saint Nicholas Ave, Brooklyn, NY 11237
About Dr. Sandar
Nan Sandar, M.D. is a specialist practicing in Brooklyn, NY. According to Medicare claims data, Nan cared for 134 Medicare patients across 166 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. This provider record is associated with NPI 1376785634.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (718) 821-0643
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
129 SAINT NICHOLAS AVE
Brooklyn, NY 11237
Procedures Most Often Billed to Medicare
166 services · 134 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
12 | Less often than most peers in Specialist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
118 | As often as other peers in Specialist |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
36 | As often as other peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Brooklyn 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 7
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Nan Sandar?
Nan Sandar is a specialist in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Nan Sandar's address?
Nan Sandar is listed at 129 Saint Nicholas Ave, Brooklyn, NY 11237. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Nan Sandar?
The number on file is (718) 821-0643. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Nan Sandar's NPI number?
Nan Sandar's National Provider Identifier is 1376785634. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Nan Sandar train?
Nan Sandar attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Nan Sandar been practicing?
Nan Sandar has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Nan Sandar perform?
According to Medicare billing data, Nan Sandar performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Nan Sandar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nan Sandar. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.