Megan Elizabeth Hennessay, D.O.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A13635 Issued in CA

Practice address

3655 Lomita Blvd Ste 307
Torrance, CA 90505-1922

Phone

(424) 235-5235

Fax

(949) 404-6987

NPI assigned

May 1, 2013

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Mar 25, 2026 through Mar 25, 2028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Hennessay Medical Corporation

  dba Hennessay Medical Direct Primary Care

  • Family Medicine Physician
  • Torrance, CA
  • NPI 1669171625
  NPD Authorized official
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299

  Family Medicine

  NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Richmond, CA
  • NPI 1235226531

  Family Medicine

  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Providence Medical Institute

  dba Providence Little Company of Mary Medical Institute

  • Family Medicine Physician
  • Torrance, CA
  • NPI 1235182569
  NPD
• Providence Medical Institute

  dba Providence Little Company of Mary Medical Institute

  • Family Medicine Physician
  • Torrance, CA
  • NPI 1417915760
  NPD

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

{
    "created_epoch": "1367366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743033600000",
    "number": "1568807873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3655 LOMITA BLVD STE 307",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905051922",
            "telephone_number": "424-235-5235",
            "fax_number": "949-404-6987"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3655 LOMITA BLVD STE 307",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905051922",
            "telephone_number": "424-235-5235",
            "fax_number": "949-404-6987"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13355 Hawthorne Blvd",
            "address_purpose": "LOCATION",
            "city": "Hawthorne",
            "state": "CA",
            "postal_code": "902505802",
            "country_code": "US",
            "telephone_number": "310-355-0100",
            "fax_number": "310-355-0110",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4733 W Sunset Blvd",
            "address_2": "Third Floor",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900276021",
            "country_code": "US",
            "telephone_number": "323-783-4516",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2382 Crenshaw Blvd Ste 5",
            "address_purpose": "LOCATION",
            "city": "Torrance",
            "state": "CA",
            "postal_code": "905013333",
            "country_code": "US",
            "telephone_number": "310-618-9200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HENNESSAY",
        "first_name": "MEGAN",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-05-01",
        "last_updated": "2025-03-27",
        "certification_date": "2025-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A13635",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "the Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "115 Central Ave",
            "city": "Alameda",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945013244",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Nakuma Henderson, MS
• Geraldine Hendren
• Hendricks Ca Dental Group, Inc (Dentistry for Kids)
• Liam Heng, AGACNP
• Hennessay Medical Corporation (Hennessay Medical Direct Primary Care)
• Henry S. Lee, D.D.S. Incorporated
• Henry T. Noguchi, M.D., Inc
• Delores Marie Henry
• Sonya J Henry
• Marilyn Murphy Henschel, OTR/L,CHT

• Family Medicine Physician in Torrance, CA
• Providers in Torrance, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.