Jenny Alyssa O'Brien, MD, PHD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD477641 Issued in PA

Practice address

3322 N Broad St
Philadelphia, PA 19140-5185

Phone

(215) 707-1800

Fax

(215) 707-3644

NPI assigned

Jun 12, 2019

Sex

Female

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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

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.

• Temple Faculty Practice Plan Inc

  • Anesthesiology Physician
  • Philadelphia, PA
  • NPI 1881176949
  Medicare reassignment NPD
• Temple Faculty Practice Plan, Inc

  • Physical Therapist
  • Philadelphia, PA
  • NPI 1154804839
  NPD
• Temple Faculty Practice Plan Inc

  • Urology Physician
  • Voorhees, NJ
  • NPI 1407638794
  NPD

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

{
    "created_epoch": "1560297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1740849694",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3509 N BROAD ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191404105"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3322 N BROAD ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191405185",
            "telephone_number": "215-707-1800",
            "fax_number": "215-707-3644"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "JENNY",
        "middle_name": "ALYSSA",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-12",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD477641",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Corinne O'Brien
• Dyan C O'Brien, CRNP
• Elizabeth M O'Brien, MD
• Emily Lydia O'Brien, PA-C
• Erin O'Brien, MA, LPC
• Joan M O'Brien, MD
• John Sebastian O'Brien II, MD
• Kathleen B O'Brien, MD
• Kathryn O'Brien, MA, CCC-SLP
• Kimberly Ann O'Brien, PHARMD

• Internal Medicine Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Internal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.