William J Oberfield, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

MD013751E Issued in PA

Practice address

19 E Second St
Media, PA 19063-2905

Phone

(610) 565-9560

Fax

(610) 565-8011

NPI assigned

Jul 12, 2005

Reactivated

Mar 21, 2006

Sex

Male

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

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Mar 28, 2013 through Mar 28, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1121126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1114925310",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 E SECOND ST",
            "city": "MEDIA",
            "state": "PA",
            "postal_code": "190632905",
            "telephone_number": "610-565-9560",
            "fax_number": "610-565-8011"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 E SECOND ST",
            "city": "MEDIA",
            "state": "PA",
            "postal_code": "190632905",
            "telephone_number": "610-565-9560",
            "fax_number": "610-565-8011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBERFIELD",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-12",
        "last_updated": "2026-07-13",
        "deactivation_date": "2006-03-16",
        "reactivation_date": "2006-03-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MD013751E",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• William M O'Connor, MD
• Mary Theresa O'Donovan, CERTIFIED RECOVERY
• Katherine O'Keefe
• Suzanne T O'Leary, CRNP
• Melissa Christne O'Neill, M.S,, LPC
• Briana Ochuida
• Ocular Telehealth Management, LLC
• Jennifer Oglesbee, LCSW
• Ohm Family Chiropractic
• Justin Thomas Ohm, D.C.

• Psychiatry Physician in Media, PA
• Providers in Media, PA by specialty
• Psychiatry Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.