NPIMap

Individual provider Active NPI

Ari Edelheit, M.D.

  • Emergency Medicine Physician
  • Stanford, CA
National Provider Identifier
1669887337
Registry record updated Apr 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A155962 Issued in CA
Practice address
900 Welch Rd, Ste 350
Stanford, CA 94305
Phone
(650) 723-4000
NPI assigned
Jun 21, 2014
Last updated
Apr 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A155962 CA Primary
Emergency Medicine Physician 207P00000X 036169360 IL

Addresses

Primary practice location

900 Welch Rd, Ste 350
Stanford, CA 94305

Mailing address

900 Welch Rd, Ste 350
Stanford, CA 94305
Phone (650) 723-4000

Other practice location 1

1045 W Stephenson St
Freeport, IL 61032-4864
Phone (815) 599-6000

Other practice location 2

901 Grant St
Harvard, IL 60033-1821
Phone (815) 943-5431

Other practice location 3

8201 E Riverside Blvd
Rockford, IL 61114-2300
Phone (815) 971-7000

Other practice location 4

875 S Route 31
Crystal Lake, IL 60014
Phone (779) 220-5500

Other practice location 5

1969 W Ogden Ave
Dept of Emergency Medicine
Chicago, IL 60612-3765
Phone (312) 864-6000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240625001460 IL Practitioner - Emergency Medicine 4385932367 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cook CountyGroup PAC ID 2860398088, 770 clinicians
Iems Physician Services PLLCGroup PAC ID 2567802556, 64 clinicians
Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

1901 W Harrison St
Chicago, IL 60612-3714
Phone (312) 633-7292

2525 S Michigan Ave
Chicago, IL 60616-2315
Phone (248) 671-3747

8201 E Riverside Blvd
Rockford, IL 61114-2300
Phone (815) 971-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.11 of 100Reported as group
Quality
74.7
Promoting interoperability
100
Improvement activities
40
Cost
85.45

Merit-based Incentive Payment System (MIPS)

Final score
95.17 of 100Reported as group
Quality
86.93
Promoting interoperability
100
Improvement activities
40
Cost
72.6

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A155962CAMDEmergency Medicine Physician
036169360ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cep America - California Emergency Medicine Current Accepting new patients
Insight Chicago, Inc. CurrentSince Jan 7, 2025 Accepting new patients
University of California San Francisco CurrentSince Jul 27, 2023 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 27, 2023 Accepting new patients
Cep America - California Emergency Medicine CurrentSince Jul 1, 2018 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 27, 2023 Accepting new patients
Cep America-California Emergency Medicine CurrentSince Jul 1, 2018 Accepting new patients
Cook County Current Accepting new patients
University of California San Francisco CurrentSince Jul 27, 2023 Accepting new patients
Iems Physician Services PLLC Emergency Medicine CurrentSince May 1, 2025 Accepting new patients
Cook County Emergency Medicine CurrentSince May 9, 2024 Accepting new patients
Cook County CurrentSince May 9, 2024 Accepting new patients
University of California San Francisco Current Accepting new patients
Insight Chicago, Inc. CurrentSince Jan 7, 2025 Accepting new patients

Locations

2070 Clinton Ave
Alameda, CA 94501
Phone (510) 522-3700

500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 900-3125

1411 E 31st St
Oakland, CA 94602
Phone (510) 437-4323

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

1901 W Harrison St
Chicago, IL 60612
Phone (312) 864-5100

1969 W Ogden Ave
Chicago, IL 60612
Phone (312) 864-3600

2525 S Michigan Ave
Chicago, IL 60616
Phone (312) 355-1153

500 E 51st St
Chicago, IL 60615
Phone (312) 572-2000

1400 W Park St
Urbana, IL 61801
Phone (217) 337-2000

Interoperability endpoints

  • Direct secure messaging: aedelheit27872@alamedahs.direct-ci.com

Organizations & group practices 17

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

View all 17

Hospital & facility affiliations 29

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

View all 29

NPI Registry JSON

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

{
    "created_epoch": "1403308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1669887337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 WELCH RD, STE 350",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "94305",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 WELCH RD, STE 350",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "94305",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1045 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324864",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "fax_number": "815-599-7974",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "901 Grant St",
            "address_purpose": "LOCATION",
            "city": "Harvard",
            "state": "IL",
            "postal_code": "600331821",
            "country_code": "US",
            "telephone_number": "815-943-5431",
            "fax_number": "815-943-0659",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8201 E Riverside Blvd",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611142300",
            "country_code": "US",
            "telephone_number": "815-971-7000",
            "fax_number": "815-968-4795",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "875 S Route 31",
            "address_purpose": "LOCATION",
            "city": "Crystal Lake",
            "state": "IL",
            "postal_code": "60014",
            "country_code": "US",
            "telephone_number": "779-220-5500",
            "fax_number": "779-220-5184",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1969 W Ogden Ave",
            "address_2": "Dept of Emergency Medicine",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606123765",
            "country_code": "US",
            "telephone_number": "312-864-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EDELHEIT",
        "first_name": "ARI",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-21",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A155962",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036169360",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.