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SUDHIR DIWAN MD, LLC
NPI 1639676216
Anesthesiology - Pain Medicine in New York, NY

Active since April 10, 2018
115 E 57TH ST STE 610, NEW YORK, NY 10022(212) 535-3505(212) 535-3568 Get Directions Write a Review

NPPES record last updated: April 10, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sudhir Diwan Md, Llc NPPES

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

SUDHIR DIWAN MD, LLC (NPI 1639676216) is a healthcare organization registered as a pain medicine in New York, New York and active in the NPI registry since April 2018. The organization lists Sudhir Diwan, Owner, as its authorized official.

NPPES Registry Identity

NPI1639676216
Entity TypeOrganization
Primary Taxonomy207LP2900X
Legal Business NameSUDHIR DIWAN MD, LLC
Location Address115 E 57TH ST STE 610New York, NY 10022-2129
Mailing Address115 E 57th St Ste 610New York, NY 10022-2129 · (212) 535-3505 · Fax (212) 535-3568
Phone(212) 535-3505
Fax(212) 535-3568
Organization SubpartNo
Authorized OfficialSudhir DiwanOwner · (212) 535-3505
Enumeration DateApril 10, 2018
✔ NPI 1639676216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in NY · 209697
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
115 E 57TH ST STE 610, New York, NY 10022
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sudhir Diwan Md, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Sudhir Diwan MD, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Sudhir Diwan, M.D
Pain Management
NPI 1861402786
115 E 57TH ST STE 610
New York, NY 10022
(212) 535-3505
✔ PECOSSame address

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

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 Sudhir Diwan MD, LLC's NPI number?

The NPI number for Sudhir Diwan MD, LLC is 1639676216. It was assigned to this organization in the NPPES registry on April 10, 2018.

Where is Sudhir Diwan MD, LLC located?

Sudhir Diwan MD, LLC is located at 115 E 57th St Ste 610, New York, NY 10022. The listed phone number is (212) 535-3505.

What is Sudhir Diwan MD, LLC's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Sudhir Diwan MD, LLC enrolled in Medicare?

Yes. Sudhir Diwan MD, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sudhir Diwan MD, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pain Management) reassigns their Medicare billing to Sudhir Diwan MD, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Sudhir Diwan MD, LLC was last updated on April 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.