Sarena Nicole Lesem, CNM

Primary specialty

Advanced Practice MidwifeTaxonomy code 367A00000X

License

NM236659 Issued in CA

Practice address

250 Bon Air Rd
Greenbrae, CA 94904-1702

Phone

(415) 925-7591

NPI assigned

May 18, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• Sari Lesem Former name

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Certified Nurse Midwife (CNM)

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mount Auburn Professional Services IncGroup PAC ID 6103725031, 229 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Midwife

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: slesem519993@direct.bilh.masshiway.net
• FHIR API: https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4

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.

• Mount Auburn Professional Services Inc

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1992750996
  Medicare reassignment Care Compare group NPD
• Mt Auburn Professional Services

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1013375203
  NPD
• Mount Auburn Hospital

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1689670259
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mount Auburn Hospital

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1689670259
  Care Compare affiliation

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

{
    "created_epoch": "1526601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1467943001",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST",
            "address_2": "PARSONS 2",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385597",
            "telephone_number": "781-646-1043",
            "fax_number": "781-646-1935"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 BON AIR RD",
            "city": "GREENBRAE",
            "state": "CA",
            "postal_code": "949041702",
            "telephone_number": "415-925-7591"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "495 Western Ave",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "021351007",
            "country_code": "US",
            "telephone_number": "781-693-3842",
            "fax_number": "617-978-8222",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "22 Mill St Ste 204",
            "address_purpose": "LOCATION",
            "city": "Arlington",
            "state": "MA",
            "postal_code": "024764738",
            "country_code": "US",
            "telephone_number": "781-646-1043",
            "fax_number": "781-646-1935",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "43 Foundry Ave",
            "address_purpose": "LOCATION",
            "city": "Waltham",
            "state": "MA",
            "postal_code": "024538313",
            "country_code": "US",
            "telephone_number": "781-693-3842",
            "fax_number": "781-693-3805",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LESEM",
        "first_name": "SARENA",
        "middle_name": "NICOLE",
        "credential": "CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-18",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "CA",
            "license": "NM236659",
            "primary": true
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "MA",
            "license": "RN10015603",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110218118A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SARI",
            "last_name": "LESEM",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Lisa Anne Leavitt, M.D.
• Elsa A. Ledesma Huapaya
• Justin J Lee, M.D.
• Natalie C Lee, MD
• Beth Leib
• Wai Chow Leung
• Jessica Mason Levin, CNM, RN, L.AC., LMT
• Lois R Levine, MD
• Sarah Helena Levitan, CNM, NP
• Lawrence A Levy, M.D.

• Advanced Practice Midwife in Greenbrae, CA
• Providers in Greenbrae, CA by specialty
• Advanced Practice Midwife in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.