Individual provider Active NPI

Seiichi Villalona, MD

  • Internal Medicine Physician
  • Philadelphia, PA
National Provider Identifier
1811632755
Registry record updated May 4, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MT225392 Issued in PA
Practice address
3400 Spruce St
Philadelphia, PA 19104-4238
Phone
(215) 316-5151
NPI assigned
May 4, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 4, 2022

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 MT225392 PA Primary

Addresses

Primary practice location

3400 Spruce St
Philadelphia, PA 19104-4238

Mailing address

3400 Spruce St
Philadelphia, PA 19104-4238

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20251013000628 PA Practitioner - Internal Medicine 1355720707 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Penn-Medical GroupGroup PAC ID 6204730955, 3,433 clinicians

Practice addresses (Care Compare)

3701 Market St
Philadelphia, PA 19104-5502
Phone (215) 349-5200

51 N 39TH Stret
Hospital Med Presby
Philadelphia, PA 19104-2640
Phone (215) 662-9990

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of Penn - Medical Group Internal Medicine CurrentSince Jun 29, 2025 Accepting new patients
Trustees of the University of Pennsylvania Internal Medicine CurrentSince Jun 29, 2025 Accepting new patients
University of Penn-Medical Group CurrentSince Jun 29, 2025 Accepting new patients
University of Penn - Medical Group Past Accepting new patients
Trustees of the University of Pennsylvania Past Accepting new patients
Presbyterian Medical Center of the University of Pennsylvania Health S Past Accepting new patients

Locations

3701 Market St
Fl 1
Philadelphia, PA 19104
Phone (215) 662-2250

3701 Market St
Fl 6
Philadelphia, PA 19104
Phone (215) 662-2250

3701 Market St
Fl 7
Philadelphia, PA 19104
Phone (215) 349-5200

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.

Hospital & facility affiliations 3

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": "1651622400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1651622400000",
    "number": "1811632755",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-316-5151"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VILLALONA",
        "first_name": "SEIICHI",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-05-04",
        "last_updated": "2022-05-04",
        "certification_date": "2022-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MT225392",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.