DR. SUDHIR DIWAN M.D
NPI 1861402786
Anesthesiology in New York, NY

Q: What is Sudhir Diwan's NPI number?

The NPI number for Sudhir Diwan is 1861402786. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Q: What is Sudhir Diwan's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Sudhir Diwan was last updated on April 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 August 09, 2006PECOS Enrolled

100/100

CMS Quality Rating

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 8, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Sudhir Diwan M.d NPPES

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

DR. SUDHIR DIWAN M.D (NPI 1861402786) is an individual anesthesiology provider in New York, New York, licensed in New York (209697) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1861402786

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. SUDHIR DIWANCredential: M.D

Location Address115 E 57TH ST, STE 610New York, NY 10022-2049

Mailing Address115 E 57th St, Ste 610New York, NY 10022-2049 · (212) 535-3505 · Fax (212) 535-3568

Phone(212) 535-3505

Fax(212) 535-3568

Sole ProprietorNo

Medical School CMSOtherGraduated 1980

Enumeration DateAugust 9, 2006

Last NPPES UpdateApril 8, 2020

✔ NPI 1861402786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in NY · 209697

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

115 E 57TH ST, New York, NY 10022

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sudhir Diwan M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5395934319

PECOS Enrollment IDI20110106000527, I20140326000496

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 Sudhir Diwan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sudhir Diwan MD, LLC

Same address

Pain Medicine

115 E 57TH ST STE 610
New York, NY 10022

Reassigned Medicare billing, New Jersey and New York enrollments

NPI 1639676216 (212) 535-3505

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 14

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

1,858 services65 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

512 services107 patients

Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml Q9966

Low osmolar contrast material with 200-299 mg/ml iodine concentration is a type of dye used in certain medical tests like CT scans or X-rays. It helps to highlight specific areas in your body, making them easier to see and examine. It's safe and commonly used.

246 services57 patients

Testing for presence of drug, read by direct observation 80305

Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.

69 services33 patients

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.

52 services36 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

38 services17 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

35 services17 patients

Electronic analysis of implanted neurostimulator generator with complex spinal cord or peripheral nerve stimulator programming 95972

This procedure involves electronically analyzing an implanted neurostimulator. This device sends electrical pulses to your spinal cord or peripheral nerves to manage pain. The programming is complex, requiring expert analysis to ensure proper functioning.

30 services12 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

26 services20 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

23 services15 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

22 services13 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

20 services15 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

19 services11 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Improvement Activities

Other Providers at the Same Location NPPES 20

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

DEBRA GREEN, MD PLLC

Internal Medicine

115 E 57TH ST, SUITE 510
NEW YORK, NY 10022

New York County (212) 584-5402

ALLISON C. SANTHOUSE RPA-C

Physician Assistant

115 E 57TH ST, SUITE 710
NEW YORK, NY 10022

New York County (212) 750-8900

CLARK HUANG MD PC

Specialist

115 E 57TH ST, SUITE 600
NEW YORK, NY 10022

New York County (212) 308-7333

COREY W HUNTER, MD PLLC

Pain Medicine (Interventional Pain Medicine)

115 E 57TH ST, SUITE 1210
NEW YORK, NY 10022

New York County (212) 203-2813

MANGALA NAIK PHYSICIAN PLLC

Anesthesiology (Pain Medicine)

115 E 57TH ST, SUITE 610
NEW YORK, NY 10022

New York County (212) 535-3505

LLOYD M. LOFT MD PC

Specialist

115 E 57TH ST, SUITE 600
NEW YORK, NY 10022

New York County (212) 832-1699

AINSWORTH INSTITUTE OF PAIN MANAGMENT, PLLC

Specialist

115 E 57TH ST, SUITE 1210
NEW YORK, NY 10022

New York County (212) 203-2813

AINSWORTH SURGICAL PAVILLION, LLC

Clinic/Center (Ambulatory Surgical)

115 E 57TH ST, 1210
NEW YORK, NY 10022

New York County (212) 203-2813

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's NPI number?

The NPI number for Sudhir Diwan is 1861402786. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Sudhir Diwan located?

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

What is Sudhir Diwan's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Sudhir Diwan enrolled in Medicare?

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

Which organization bills Medicare for Sudhir Diwan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sudhir Diwan reassigns Medicare benefits to Sudhir Diwan MD, LLC (New York, 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 Sudhir Diwan'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 Sudhir Diwan was last updated on April 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.