Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MUSTAFA ALI KHAN MD
NPI 1861489601
Psychiatry & Neurology - Neurology in Stony Brook, NY

Q: What is Mustafa Khan's NPI number?

The NPI number for Mustafa Khan is 1861489601. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Q: What is Mustafa Khan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Mustafa Khan was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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 October 05, 2005PECOS EnrolledAccepts Medicare Assignment

88.16/100

CMS Quality Rating

100 NICOLLS RD, STONY BROOK, NY 11794(631) 444-8118 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 28, 2026, May 19, 2025, Apr 8, 2025 and 11 more (14 updates tracked since 2017).

On this page

About Dr. Mustafa Ali Khan Md NPPES

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

DR. MUSTAFA ALI KHAN MD (NPI 1861489601) is an individual neurology provider in Stony Brook, New York, licensed in New York (202568) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Freeman Health System - Freeman West, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1861489601

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. MUSTAFA ALI KHANCredential: MD

Location Address100 NICOLLS RDStony Brook, NY 11794-5151

Mailing Address1021 W Oakland Ave Ste 310Johnson City, TN 37604-2192 · (423) 302-6565

Phone(631) 444-8118

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateOctober 5, 2005

Last NPPES UpdateJuly 28, 202614 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1861489601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in NY · 202568✔ Licensed in NC · 2024-00360✔ Licensed in MO · 2023010521✔ Licensed in FL · ME168650✔ Licensed in NV · 25443✔ Licensed in GA · 100524✔ Licensed in IN · 01092448A✔ Licensed in WI · 84278✔ Licensed in VA · 0101276849✔ Licensed in IL · 036169424✔ Licensed in TN · 70388

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

100 NICOLLS RD, Stony Brook, NY 11794

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and more.Insurance ›

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

Dr. Mustafa Ali 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 ID345317277

PECOS Enrollment IDI20080918000549, I20240423003357, I20240516002800, I20240520002549, I20240709003568, I20241114001543, I20250102000797

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.

Areas of Expertise CMS Part B claims 2

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.

Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth G0425

A telehealth consultation is a remote medical service where a doctor assesses your health condition through a video call. In an emergency or initial inpatient scenario, this typically lasts for about 30 minutes. This method allows for prompt, efficient care without needing to be physically present in a healthcare facility.

28 services28 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Freeman Health System - Freeman West

Acute Care Hospitals · Joplin, MO

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260137

Location1102 West 32nd StreetJoplin, MO 64804 · Jasper County

Emergency services Birthing friendly

Centra Health - Lynchburg Gen Hospital

Acute Care Hospitals · Lynchburg, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490021

Location1901 Tate Springs RoadLynchburg, VA 24501 · Lynchburg City County

Emergency services Birthing friendly

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.

88.16/100

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

Scored as part of a group practice

Quality

80.91

Promoting Interoperability

Improvement Activities

Cost

65.87

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.

MALWINA WLOCH M.D.

Anesthesiology

100 NICOLLS RD, SUNY AT STONY BROOK - DEPARTMENT OF ANESTHESIOLOGY
STONY BROOK, NY 11794

Suffolk County (631) 444-2968

CHABIDOU SAMPAIN FNP

Psychiatry & Neurology (Geriatric Psychiatry)

100 NICOLLS RD
STONY BROOK, NY 11794

Suffolk County (631) 358-1423

MISS KAITLYN SBROLLINI

Student in an Organized Health Care Education/Training Program

100 NICOLLS RD
STONY BROOK, NY 11794

Suffolk County (631) 331-6388

DR. RASAN KASHYAP CHERALA MD

Internal Medicine

100 NICOLLS RD
STONY BROOK, NY 11794

Suffolk County (425) 753-8665

EMILY GRACE DEEHAN

Specialist/Technologist (Athletic Trainer)

100 NICOLLS RD
STONY BROOK, NY 11794

Suffolk County (631) 632-6000

DR. MUHAMMAD IBRAHIM CHOUDRY MD

Anesthesiology

100 NICOLLS RD, HEALTH SCIENCES CENTER L4-060 (Z8480)
STONY BROOK, NY 11794

Suffolk County (631) 444-2975

DR. KEITH THOMAS DIAZ M.D.

Internal Medicine

100 NICOLLS RD
STONY BROOK, NY 11794

Suffolk County (631) 444-2754

DR. JOSEPH CABALLERO M.D.

Anesthesiology

100 NICOLLS RD, DEPT OF ANESTHESIOLOGY HEALTH SCIENCES CENTER L4 #060
STONY BROOK, NY 11794

Suffolk County (631) 444-2975

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 Mustafa Khan's NPI number?

The NPI number for Mustafa Khan is 1861489601. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is Mustafa Khan located?

Mustafa Khan practices at 100 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 444-8118.

What is Mustafa Khan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mustafa Khan enrolled in Medicare?

Yes. Mustafa 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.

What insurance does Mustafa Khan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and Ambetter from Home State Health and 10 other insurers list Mustafa Khan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mustafa Khan affiliated with any hospitals?

According to CMS data, Mustafa Khan is affiliated with Freeman Health System - Freeman West and Centra Health - Lynchburg Gen Hospital.

When was this NPI record last updated?

The NPPES record for Mustafa Khan was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.