NPIMap

Individual provider Active NPI

Joseph A Santiesteban, MD

  • Internal Medicine Physician
  • Pittsburgh, PA
National Provider Identifier
1568441756
Registry record updated Mar 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD039877L Issued in PA
Practice address
5426 Mifflin Rd
Pittsburgh, PA 15207-2350
Phone
(412) 462-1800
Fax
(412) 462-5006
NPI assigned
Jan 16, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD039877L PA Primary

Addresses

Primary practice location

5426 Mifflin Rd
Pittsburgh, PA 15207-2350

Mailing address

2 Allegheny Ctr Ste 530
Pittsburgh, PA 15212-5404

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jsantiesteban134794@direct.ahn.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20040128000152 PA Practitioner - Internal Medicine 6608779715 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

2 Allegheny Ctr
Suite 530
Pittsburgh, PA 15212-5400

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.9 of 100Reported as apm
Quality
85.02
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD039877LPAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Primary Care Group 3 Inc Internal Medicine CurrentSince Jul 1, 2009 Accepting new patients
Joseph Santiesteban, MD Past Accepting new patients

Organizations & group practices 3

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 9

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": "1137369600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1568441756",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 ALLEGHENY CTR STE 530",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152125404"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5426 MIFFLIN RD",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152072350",
            "telephone_number": "412-462-1800",
            "fax_number": "412-462-5006"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANTIESTEBAN",
        "first_name": "JOSEPH",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-01-16",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD039877L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jsantiesteban134794@direct.ahn.org",
            "affiliation": "N",
            "address_1": "5426 Mifflin Rd",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152072350",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Pittsburgh, PA

Sources for this page

Verify at the official NPI Registry.