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AHMAD KHAN MD LLC
NPI 1598187148
Psychiatry & Neurology - Psychiatry in Ellicott City, MD

Active since January 16, 2014
3355 ST JOHN'S LANE, SUITE F, ELLICOTT CITY, MD 21042(410) 310-7594(443) 542-0870 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 10, 2025, Nov 5, 2024 (2 updates tracked since 2024).

About Ahmad Khan Md Llc NPPES

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

AHMAD KHAN MD LLC (NPI 1598187148) is a healthcare organization registered as a psychiatry in Ellicott City, Maryland and active in the NPI registry since January 2014. The organization lists Ahmad N Khan, Owner, as its authorized official.

NPPES Registry Identity

NPI1598187148
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameAHMAD KHAN MD LLC
Location Address3355 ST JOHN'S LANE, SUITE FEllicott City, MD 21042-7148
Mailing AddressPo Box 77Glenelg, MD 21737-0077 · (443) 896-4920 · Fax (443) 576-4484
Phone(410) 310-7594
Fax(443) 542-0870
Organization SubpartNo
Authorized OfficialAhmad N KhanOwner · (443) 896-4920
Enumeration DateJanuary 16, 2014
Last NPPES UpdateOctober 10, 20252 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
✔ NPI 1598187148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MD · D0056066
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
3355 ST JOHN'S LANE, Ellicott City, MD 21042
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Other Identifiers 1

Medicaid978301600MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ahmad Khan Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ahmad Khan MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ahmad Khan, M.D.
Psychiatry
NPI 1538120613
3355 ST JOHN'S LANE SUITE F
Ellicott City, MD 21042
(410) 310-7594
✔ PECOS✔ Accepts MedicareSame address

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

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 Ahmad Khan MD LLC's NPI number?

The NPI number for Ahmad Khan MD LLC is 1598187148. It was assigned to this organization in the NPPES registry on January 16, 2014.

Where is Ahmad Khan MD LLC located?

Ahmad Khan MD LLC is located at 3355 St John's Lane Suite F, Ellicott City, MD 21042. The listed phone number is (410) 310-7594.

What is Ahmad Khan MD LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ahmad Khan MD LLC enrolled in Medicare?

Yes. Ahmad Khan MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ahmad Khan MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Ahmad Khan MD LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ahmad Khan MD LLC was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.