Ryan Herchan, DO

Primary specialty

Obesity Medicine (Internal Medicine) PhysicianTaxonomy code 207RB0002X

License

OS025800 Issued in PA

Practice address

100 N Academy Ave
Danville, PA 17822-9800

Phone

(570) 271-6468

Fax

(570) 271-7805

NPI assigned

Mar 20, 2023

Sex

Male

Sole proprietor

Yes

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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

{
    "created_epoch": "1679270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1790487346",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178224903",
            "telephone_number": "570-271-6468",
            "fax_number": "570-271-7805"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178229800",
            "telephone_number": "570-271-6468",
            "fax_number": "570-271-7805"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERCHAN",
        "first_name": "RYAN",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-03-20",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RB0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Obesity Medicine",
            "state": "PA",
            "license": "OS025800",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Philipp Hendrix, MD
• William H Henning, R.PH.
• Mackenzie Sue Henry, DDS
• Leah Hepner
• Kirstie Herb Neff, PHD
• Karen Hergan
• Robert R. Hergan Jr., M.D.
• Julie Hergenrather, PHD
• Mary A. Herman, M.D.
• Mary Elizabeth Hermann, M.D.

• Obesity Medicine (Internal Medicine) Physician in Danville, PA
• Providers in Danville, PA by specialty
• Obesity Medicine (Internal Medicine) Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 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.