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MUZAMMIL KHAN MD
NPI 1003337700
Internal Medicine - Endocrinology, Diabetes & Metabolism in Stony Brook, NY

Active since July 03, 2017PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
101 NICOLLS ROAD, HSC T16-020, STONY BROOK, NY 11794(631) 444-8478(631) 444-7546 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 16, 2026, Oct 19, 2020, Oct 14, 2020 and 1 more (4 updates tracked since 2017).

About Muzammil Khan Md NPPES

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

MUZAMMIL KHAN MD (NPI 1003337700) is an individual endocrinology, diabetes & metabolism provider in Stony Brook, New York, licensed in New York (307000) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1003337700
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameMUZAMMIL KHANCredential: MD
Location Address101 NICOLLS ROAD, HSC T16-020Stony Brook, NY 11794-8160
Mailing AddressPo Box 1554Stony Brook, NY 11790-0988 · (631) 444-8478 · Fax (631) 444-7546
Phone(631) 444-8478
Fax(631) 444-7546
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJuly 3, 2017
Last NPPES UpdateJanuary 16, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1003337700 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NY · 307000
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedHospitalistTaxonomy 208M00000X · License 307000 (NY)
101 NICOLLS ROAD, Stony Brook, NY 11794
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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 and accepts Medicare assignment

Muzammil Khan Md 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 ID2163840877
PECOS Enrollment IDI20250929003904
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 Muzammil Khan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University
1,067 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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

Hospital Affiliations CMS Care Compare

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

Long Island Community Hospital

Acute Care Hospitals · Patchogue, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330141
Location101 Hospital RoadPatchogue, NY 11772 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630
DME-Other DME · category DE000N
1 supplier11 claims11 services$36.65 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JUSTIN ALEXANDER BELL MD
Anesthesiology
101 NICOLLS ROAD, DEPARTMENT OF ANESTHESIOLOGY, HSC LEVEL 4, ROOM 060
STONY BROOK, NY 11794
Suffolk County (631) 444-2975
PHILLIP YEUN
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HEALTH SCIENCE CENTER T16, ROOM 020
STONY BROOK, NY 11794
Suffolk County (631) 444-7411
PRIYANKA RAMACHANDRA MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, DEPARTMENT OF SURGERY, HSC T-19, 030
STONY BROOK, NY 11794
Suffolk County (631) 444-1791
DR. GABRIELLA NICOLE PINHO M.D.
Obstetrics & Gynecology
101 NICOLLS ROAD, HSC 9, ROOM 020
MOUNT SINDAI, NY 11794
Suffolk County (631) 444-3987
DR. BAHAA E DAOUD MD
Anesthesiology
101 NICOLLS ROAD, HSC LEVEL 4 ROOM 60
STONY BROOK, NY 11794
Suffolk County (631) 444-2078
DR. ALLISON PERNICE MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, DEPARTMENT OF SURGERY, HSC T-19, 030
STONY BROOK, NY 11794
Suffolk County (631) 444-1791
DR. DAWEI WU DO
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HEALTH SCIENCES CENTER LEVEL 4, ROOM 176
STONY BROOK, NY 11794
Suffolk County (631) 638-8517
DR. VASILEIOS KOSTARAS MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HSC 19
STONY BROOK, NY 11794
Suffolk County (631) 444-1791

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 Muzammil Khan's NPI number?

The NPI number for Muzammil Khan is 1003337700. It was assigned to this individual provider in the NPPES registry on July 3, 2017.

Where is Muzammil Khan located?

Muzammil Khan practices at 101 Nicolls Road Hsc T16-020, Stony Brook, NY 11794. The listed phone number is (631) 444-8478.

What is Muzammil Khan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Muzammil Khan enrolled in Medicare?

Yes. Muzammil Khan 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 Muzammil Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Muzammil Khan reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Muzammil Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Muzammil Khan affiliated with any hospitals?

According to CMS data, Muzammil Khan is affiliated with Long Island Community Hospital.

When was this NPI record last updated?

The NPPES record for Muzammil Khan was last updated on January 16, 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.