CHAUDHARY F. AHMED M.D – NPI #1144637380
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Health Care Provider Taxonomy Code for Internal Medicine

CHAUDHARY AHMED is a physician located in CHICAGO, IL. NPPES has assigned the NPI number 1144637380 to CHAUDHARY AHMED on July 21, 2014. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 6 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

The NPI profile was last updated on Jan 27, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for CHAUDHARY AHMED below.

NPI Profile for
CHAUDHARY F. AHMED

NPI Number
1144637380
Enumeration Date

(about 12 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
CHAUDHARY F. AHMED
Credentials
M.D
Primary location
1500 S FAIRFIELD AVE
CHICAGO, IL 60608-1782
Phone: (773) 542-2000 Fax:
6 Other location(s):
5145 N. California Ave
IM/ICU Hospitalists-Suite 331
Chicago, IL 60625-3661
Phone: (847) 570-1027
Fax: (773) 989-1734
836 W Wellington Ave
Chicago, IL 60657-5147
Phone: (773) 975-1600
2650 Ridge Ave.
IM/ICU Hospitalists
Evanston, IL 60201-1718
Phone: (847) 570-1010
Fax: (847) 733-5108
2100 Pfingsten Rd
Glenview, IL 60026-1301
Phone: (847) 657-5840
Fax: (847) 657-5732
777 Park Ave. West
IM Hospitalists
Highland Park, IL 60035-2433
Phone: (847) 926-5840
Fax: (847) 926-5835
9600 Gross Point Rd.
IM/ICU Hospitalists
Skokie, IL 60076-1214
Phone: (847) 933-6410
Fax: (847) 933-6411
Mailing address
856 W NELSON ST APT 1206
CHICAGO, IL 60657-9202
Phone: (872) 305-2337 Fax:
Sole Proprietor
No
Updated
Certification Date
Jan 27, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207R00000X
- Internal Medicine (Primary)		 IL 036.149792
208M00000X
- Hospitalist		 IL 036149792
207RG0300X
- Internal Medicine / Geriatric Medicine		 IL 036.149792

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
CHAUDHARY AHMED is affiliated with the following medical group(s):
  • HOSPITAL
    • INGALLS MEMORIAL HOSPITAL
      1 INGALLS DRIVE
      HARVEY, IL 60426
    • MT SINAI HOSPITAL MEDICAL CENTER
      15TH STREET AT CALIFORNIA
      CHICAGO, IL 60608

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.