Howard J Aizenstein, MD

Primary specialty

SpecialistTaxonomy code 174400000X

License

MD064327L Issued in PA

Practice address

3811 Ohara St
Suite 274
Pittsburgh, PA 15213-2593

Phone

(412) 246-5325

NPI assigned

Feb 1, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: howard.j.aizenstein@upmcdirect.com

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.

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

{
    "created_epoch": "1138752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1447222898",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3811 OHARA ST",
            "address_2": "SUITE 274",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152132593",
            "telephone_number": "412-246-5325"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3811 OHARA ST",
            "address_2": "SUITE 274",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152132593",
            "telephone_number": "412-246-5325"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AIZENSTEIN",
        "first_name": "HOWARD",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "PA",
            "license": "MD064327L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Specialist in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Specialist in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.