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: July 26, 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
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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

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.

Anesthesiology
101 NICOLLS ROAD, DEPARTMENT OF ANESTHESIOLOGY, HSC LEVEL 4, ROOM 060
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HEALTH SCIENCE CENTER T16, ROOM 020
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, DEPARTMENT OF SURGERY, HSC T-19, 030
STONY BROOK, NY 11794
Obstetrics & Gynecology
101 NICOLLS ROAD, HSC 9, ROOM 020
MOUNT SINDAI, NY 11794
Anesthesiology
101 NICOLLS ROAD, HSC LEVEL 4 ROOM 60
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, DEPARTMENT OF SURGERY, HSC T-19, 030
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HEALTH SCIENCES CENTER LEVEL 4, ROOM 176
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HSC 19
STONY BROOK, NY 11794

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.

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 with the weekly NPPES data releases published by CMS.