Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alya N. Ahsan, DO

Individual provider Internal Medicine Physician · NPI 1962813907

Alya N. Ahsan, DO is a Hospitalist in Evanston, Illinois. Qualified in 2010, 16 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
16
Licensed in
IL
In the registry since
2014
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

26250 Ridge Ave
Evanston, IL 60201
Phone: (847) 570-2509
Fax: (847) 733-5108
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036.141839 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036141839 (IL)

Record details

NPI number1962813907
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 13, 2014
Last updated in NPPESOctober 7, 2019
Mailing address2650 Ridge Ave # 4210, Evanston, IL 60201-1700

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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