William A Ruth, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

34755 Issued in MA

Practice address

77 Mass Ave
Medical E23-395
Cambridge, MA 02139-4301

Phone

(617) 253-0556

NPI assigned

Feb 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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1140480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1333584000000",
    "number": "1972578318",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 425789",
            "address_2": "MEDICAL E23-395",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021420015",
            "telephone_number": "617-253-0556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "77 MASS AVE",
            "address_2": "MEDICAL E23-395",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021394301",
            "telephone_number": "617-253-0556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUTH",
        "first_name": "WILLIAM",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-21",
        "last_updated": "2012-04-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "34755",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "K19109",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Russell L Forman, DMD, PC
• Sydney Hannah Russell Leed, MD
• Hannah Elizabeth Russell, RD, LDN, CNSC
• Zlatka Russinova, PHD
• Pooja Rutberg, MD
• Frederick W Ruymann, MD
• Caitlin T Ryan, MPH, LICSW, CCM
• Ginger Ryan, LICSW
• Heather McShane Harker Ryan, PH.D., RN
• Katelyn Ryan

• Internal Medicine Physician in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 5, 2012; 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.