Gerri Baer, MD

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

MD421385 Issued in PA

Practice address

800 Spruce St
Pennsylvania Hospital
Philadelphia, PA 19107-6130

Phone

(215) 829-3191

Fax

(215) 829-7211

NPI assigned

May 18, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1179446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1154539856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N 20TH ST STE 301",
            "address_2": "CHCA",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191031454",
            "telephone_number": "215-567-2422",
            "fax_number": "215-561-0959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 SPRUCE ST",
            "address_2": "PENNSYLVANIA HOSPITAL",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191076130",
            "telephone_number": "215-829-3191",
            "fax_number": "215-829-7211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAER",
        "first_name": "GERRI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-18",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "MD421385",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "PA",
            "license": "MD421385",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bum Joo Baek, DMD
• Jungwon Baek, MD
• Katherine Baek
• Alisa Baer, M.D.
• Geraldine Marie Baer, M.D., PH.D.
• Harry M Baer, M.D.
• Jillian Nichole Baer, PHARMD
• Michael Baer
• Josifer Baez Camarena
• Adriana Colombina Baez, MD, JD

• Neonatal-Perinatal Medicine Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Neonatal-Perinatal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.