Michael Sean Duffy Sr., DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20A9616 Issued in CA

Practice address

1501 5TH Ave Ste 100
San Diego, CA 92101-3251

Phone

(619) 647-5072

Fax

(619) 330-4782

NPI assigned

Jul 13, 2005

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

Enrolled in CA

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)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.

Credentials

Doctor of Osteopathy

Practice roles

Interoperability endpoints

• Direct secure messaging: drduffy@pmci-ca.direct.office.nextgen.com

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.

• Pacific Bay Recovery Inc

  • Substance Abuse Rehabilitation Facility
  • Jamul, CA
  • NPI 1679815252
  NPD (past) Authorized official
• Martin C Fineman MD Med Corp

  • Internal Medicine Physician
  • San Diego, CA
  • NPI 1689979114

  Internal Medicine

  NPD (past)
• Pacific Bay Recovery Inc

  • Substance Abuse Rehabilitation Facility
  • San Diego, CA
  • NPI 1518458298
  NPD (past)
• Midwest Division - RPC, LLC

  • Psychiatric Hospital
  • Kansas City, MO
  • NPI 1497795892
  NPD (past)

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

{
    "created_epoch": "1121212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1663804800000",
    "number": "1851399802",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1501 5TH AVE STE 100",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921013251",
            "telephone_number": "619-647-5072",
            "fax_number": "619-330-4782"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 5TH AVE STE 100",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921013251",
            "telephone_number": "619-647-5072",
            "fax_number": "619-330-4782"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "MICHAEL",
        "middle_name": "SEAN",
        "name_prefix": "Dr.",
        "name_suffix": "Sr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-07-13",
        "last_updated": "2022-09-22",
        "certification_date": "2022-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A9616",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patrick Duffner
• Brandon Edward Duffy, CADC I
• Laura J Duffy, PA
• Laura Ruth Duffy, PA-C
• Michael Duffy
• Stephanie May Duffy
• Tiffany Rose Duffy, DC
• Cynthia Veronica Duford
• Kate Dugally, AMFT
• Meagan Dugan, OTR/L

• All providers in San Diego, CA
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2022; 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.