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

MUHAMMAD AHSAN MD
NPI 1386296812
Internal Medicine - Pulmonary Disease in Stony Brook, NY

Active since July 15, 2019
101 NICOLLS RD, STONY BROOK, NY 11794(631) 689-8333 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 18, 2026, May 22, 2023, Jul 15, 2019 (3 updates tracked since 2019).

About Muhammad Ahsan Md NPPES

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

MUHAMMAD AHSAN MD (NPI 1386296812) is an individual pulmonary disease provider in Stony Brook, New York, licensed in New York (320932) and active in the NPI registry since July 2019. He maintains a secondary practice location in Cooperstown.

NPPES Registry Identity

NPI1386296812
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameMUHAMMAD AHSANCredential: MD
Location Address101 NICOLLS RDStony Brook, NY 11794-1901
Mailing Address1 Atwell RdCooperstown, NY 13326-1301 · (607) 547-3456
Phone(631) 689-8333
Sole ProprietorNo
Enumeration DateJuly 15, 2019
Last NPPES UpdateAugust 18, 20263 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1386296812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in NY · 320932
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
101 NICOLLS RD, Stony Brook, NY 11794
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Secondary Practice Location 1

Location 11 Atwell RdCooperstown, NY 13326-1301 · Phone (607) 547-3283

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.

NARINDER SINGH M.D.
Internal Medicine
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-4000
DR. KANHAI FARRAKHAN MD
Internal Medicine (Gastroenterology)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-0580
MS. HAYLEY ALEXANDRA MENA LMSW
Social Worker (Clinical)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (516) 761-4107
MRS. HEATHER MARIE CALIGIURI ANP
Nurse Practitioner (Adult Health)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 631-4449
MR. SAM TARIK MENDOUNE I NP
Nurse Practitioner (Adult Health)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 335-1657
ALEXIE LESSING
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-4686
DR. BENJAMIN RISMANY MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-1791
JULIA RYAN MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 689-8333

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 Muhammad Ahsan's NPI number?

The NPI number for Muhammad Ahsan is 1386296812. It was assigned to this individual provider in the NPPES registry on July 15, 2019.

Where is Muhammad Ahsan located?

Muhammad Ahsan practices at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 689-8333.

What is Muhammad Ahsan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Muhammad Ahsan was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.