Individual provider Active NPI

Aaron Felix Alexander-Bloch, M.D., PH.D.

  • Psychiatry Physician
  • Philadelphia, PA
National Provider Identifier
1023405180
Registry record updated Nov 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
MD469148 Issued in PA
Practice address
3400 Spruce Street
Gates Building 10TH Floor
Philadelphia, PA 19134-4222
Phone
(215) 662-2826
Fax
(215) 662-2434
NPI assigned
Apr 16, 2015
Last updated
Nov 6, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 6, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X MD469148 PA Primary

Addresses

Primary practice location

3400 Spruce Street
Gates Building 10TH Floor
Philadelphia, PA 19134-4222

Mailing address

3400 Spruce St
Philadelphia, PA 19104-4238
Phone (215) 662-2826

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1429142400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1023405180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-662-2826",
            "fax_number": "215-662-2434"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE STREET",
            "address_2": "GATES BUILDING 10TH FLOOR",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191344222",
            "telephone_number": "215-662-2826",
            "fax_number": "215-662-2434"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALEXANDER-BLOCH",
        "first_name": "AARON",
        "middle_name": "FELIX",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-04-16",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MD469148",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.