Allison Jean Hahr, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

036-113429 Issued in IL

Practice address

676 N Saint Clair St Ste 701
Chicago, IL 60611-2996

Phone

(312) 695-7970

Fax

(312) 695-4433

NPI assigned

Dec 11, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

EndocrinologyAlso: Internal Medicine

Education

University of Wisconsin School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
• Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130
• Palos Community Hospital Hospital, Palos Heights, IL, CCN 140062
• Northwestern Medicine Delnor Community Hospital Hospital, Geneva, IL, CCN 140211
• Shirley Ryan Abilitylab Inpatient rehabilitation facility, Chicago, IL, CCN 143026

Merit-based Incentive Payment System (MIPS)

Final score

95.19 of 100Reported as apm

Quality

83.05

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Central Dupage Physician Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844

  Endocrinology, Diabetes & Metabolism

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Central Dupage Hospital Association

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation
• Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655
  Care Compare affiliation
• Northwestern Lake Forest Hospital

  • General Acute Care Hospital
  • Lake Forest, IL
  • NPI 1124025176
  Care Compare affiliation
• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation
• Palos Community Hospital

  • Psychiatric Hospital Unit
  • Palos Heights, IL
  • NPI 1184699118
  Care Compare affiliation
• Palos Community Hospital

  • General Acute Care Hospital
  • Palos Heights, IL
  • NPI 1851386692
  Care Compare affiliation
• Rehabilitation Institute of Chicago

  • Rehabilitation Hospital
  • Chicago, IL
  • NPI 1205879095

  Inpatient rehabilitation facility

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1165795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1083774889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 701",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112996",
            "telephone_number": "312-695-7970",
            "fax_number": "312-695-4433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 701",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112996",
            "telephone_number": "312-695-7970",
            "fax_number": "312-695-4433"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAHR",
        "first_name": "ALLISON",
        "middle_name": "JEAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-11",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "IL",
            "license": "036-113429",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Hahn
• Olwen M Hahn, M.D.
• Sarah Fisher Hahn, MA
• Toni Anne Hahn, DO
• Yoon S Hahn, M.D.
• Stephanie Hai Pineda
• Jerry Du Hai
• Ban Haidar
• Haidari Shikari MD
• Haidee R Emile, DMD PLLC

• Endocrinology, Diabetes & Metabolism Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Endocrinology, Diabetes & Metabolism Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.