DR. MICHAEL STUART KUSHNER M.D.
NPI 1750300539
Internal Medicine - Gastroenterology in Carmel, NY

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment
92.24/100
CMS Quality Rating
667 STONELEIGH AVE, BARNS OFFICE CENTER BLDG A201, CARMEL, NY 10512(845) 278-5223(845) 278-4579 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Michael Stuart Kushner M.d. NPPES

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

DR. MICHAEL STUART KUSHNER M.D. (NPI 1750300539) is an individual gastroenterology provider in Carmel, New York, licensed in New York (1876521) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Putnam Hospital Center, and is a graduate of State University Of New York Downstate Medical Center (1990).

NPPES Registry Identity

NPI1750300539
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MICHAEL STUART KUSHNERCredential: M.D.
Location Address667 STONELEIGH AVE, BARNS OFFICE CENTER BLDG A201Carmel, NY 10512-2454
Mailing Address14 Mancini DrYorktown Heights, NY 10598-6435
Fax(845) 278-4579
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1990
Enumeration DateJuly 19, 2006
Last NPPES UpdateJanuary 15, 2026
NPPES CertifiedJanuary 15, 2026
✔ NPI 1750300539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 1876521
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 1876521 (NY)
667 STONELEIGH AVE, Carmel, NY 10512

Other Identifiers 1

Medicaid01415392NY

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. Michael Stuart Kushner 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 ID1052412848
PECOS Enrollment IDI20070724000206
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 Michael Kushner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
667 STONELEIGH AVENUE, SUITE A201
Carmel, NY 10512
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Westchester Putnam Gastroenterology PC
  • 13 clinicians in this Medicare group

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 11

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 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.
362 services237 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.
170 services170 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
104 services104 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.
97 services89 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.
57 services57 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
48 services48 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Putnam Hospital Center

Acute Care Hospitals · Carmel, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330273
Location670 Stoneleigh AvenueCarmel, NY 10512 · Putnam County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10512 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$141.77 typical visit price
range $61.88 – $187.05
Typical copayment $35.44 (range $15.47 – $46.76)
Most-billed visit code 99204
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

92.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.49
Improvement Activities40

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.

Social Worker (Clinical)
667 STONELEIGH AVE, SUITE 202
CARMEL, NY 10512
Social Worker (Clinical)
667 STONELEIGH AVE, SUITE 202
CARMEL, NY 10512
Specialist
667 STONELEIGH AVE, STE 302
CARMEL, NY 10512
Specialist
667 STONELEIGH AVE, SUITE 117
CARMEL, NY 10512
Physical Therapist
667 STONELEIGH AVE, SUITE 117
CARMEL, NY 10512
Registered Nurse (Psychiatric/Mental Health)
667 STONELEIGH AVE, SUITE 202
CARMEL, NY 10512
Social Worker (Clinical)
667 STONELEIGH AVE, SUITE 202
CARMEL, NY 10512
Social Worker (Clinical)
667 STONELEIGH AVE, SUITE 202
CARMEL, NY 10512

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 Michael Kushner's NPI number?

The NPI number for Michael Kushner is 1750300539. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Michael Kushner located?

Michael Kushner practices at 667 Stoneleigh Ave Barns Office Center Bldg A201, Carmel, NY 10512. The listed phone number is (845) 278-5223.

What is Michael Kushner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Kushner enrolled in Medicare?

Yes. Michael Kushner 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 Michael Kushner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Kushner reassigns Medicare benefits to Westchester Putnam Gastroenterology P.C. (Carmel, 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 Michael Kushner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Kushner affiliated with any hospitals?

According to CMS data, Michael Kushner is affiliated with Putnam Hospital Center.

When was this NPI record last updated?

The NPPES record for Michael Kushner was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.