Individual provider Active NPI

Alyssa Blumstein, PA-C

  • Physician Assistant
  • Chicago, IL
National Provider Identifier
1699457572
Registry record updated Oct 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C0010185 Issued in MD
Practice address
1950 W Polk St
Chicago, IL 60612-3723
Phone
(847) 778-3611
NPI assigned
Aug 1, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 085.009835 IL
Physician Assistant 363A00000X C0010185 MD Primary

Addresses

Primary practice location

1950 W Polk St
Chicago, IL 60612-3723

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 955-5000

Other practice location 1

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 502-2037

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MD2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230922002053 IL Practitioner - Physician Assistant 6800240995 Reassigns benefits to 1 organization
I20251222001342 MD Practitioner - Physician Assistant 6800240995 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

6201 Greenleigh Ave
Middle River, MD 21220-2004

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
085.009835ILMDPhysician Assistant
C0010185MDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Sep 1, 2025 Accepting new patients
Cook County CurrentSince Sep 14, 2023 Accepting new patients
Cook County CurrentSince Sep 14, 2023 Accepting new patients
Johns Hopkins University CurrentSince Sep 1, 2025 Accepting new patients

Locations

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

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

1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

10755 Falls Rd
Timonium, MD 21093
Phone (410) 583-2727

Interoperability endpoints

  • Direct secure messaging: ablumstein1419462@direct.hopkinsmedicine.org

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1690848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759276800000",
    "number": "1699457572",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-955-5000",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1950 W POLK ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123723",
            "telephone_number": "847-778-3611"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1800 Orleans St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "410-502-2037",
            "fax_number": "410-955-0737",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BLUMSTEIN",
        "first_name": "ALYSSA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-01",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.009835",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0010185",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.