Individual provider Active NPI

Mary K Allen-Proctor, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Cleveland, OH
National Provider Identifier
1003236753
Registry record updated Aug 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
036151896 Issued in IL
Practice address
9500 Euclid Ave # NA-23
Cleveland, OH 44195-0001
Phone
(216) 444-2200
NPI assigned
Apr 21, 2014
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 036151896 IL Primary

Addresses

Primary practice location

9500 Euclid Ave # NA-23
Cleveland, OH 44195-0001

Mailing address

5700 Southwyck Blvd
Toledo, OH 43614-1509
Phone (800) 288-8325

Other practice location 1

251 E Huron St Ste 7-132N
Chicago, IL 60611-2908
Phone (312) 926-1267

Other names 1

  • Mary Katherine Allen Former name

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20200917001768 IL Practitioner - Pathology 1254683196 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

251 E Huron
Chicago, IL 60611-2908

251 E Huron St
Chicago, IL 60611-2908

675 N Saint Clair St
Chicago, IL 60611-5975

675 N St Clair
Chicago, IL 60611-5975

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Aug 1, 2025 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Aug 1, 2025 Accepting new patients
University Pathology Diagnostics SC Anatomic Pathology & Clinical Pathology CurrentSince Aug 3, 2020 Accepting new patients
Central Dupage Physician Group Past Accepting new patients

Locations

Carol Stream, IL 60122
Phone (630) 933-3300

Dept 5777
Carol Stream, IL 60122

1653 W Congress Pkwy
Chicago, IL 60612
Phone (312) 942-3138

1653 W Congress Pkwy
Ste 570
Chicago, IL 60612

1653 W Congress Pkwy
Ste 532
Chicago, IL 60612

251 E Huron St
Ste 7132N
Chicago, IL 60611
Phone (312) 926-1267

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

520 S Maple Ave
Oak Park, IL 60304
Phone (708) 383-9300

5700 Southwyck Blvd
Toledo, OH 43614

Interoperability endpoints

  • Direct secure messaging: mallenproctor169601@direct.rush.rush-health.com

Organizations & group practices 4

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1398038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754956800000",
    "number": "1003236753",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5700 SOUTHWYCK BLVD",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436141509",
            "telephone_number": "800-288-8325",
            "fax_number": "419-866-5453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9500 EUCLID AVE # NA-23",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441950001",
            "telephone_number": "216-444-2200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "251 E Huron St Ste 7-132N",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112908",
            "country_code": "US",
            "telephone_number": "312-926-1267",
            "fax_number": "312-926-3127",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALLEN-PROCTOR",
        "first_name": "MARY",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-04-21",
        "last_updated": "2025-08-12",
        "certification_date": "2025-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "IL",
            "license": "036151896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARY",
            "last_name": "ALLEN",
            "middle_name": "KATHERINE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Cleveland, OH

Sources for this page

Verify at the official NPI Registry.