Shannon Marissa Larmooh, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

R159668 Issued in MD

Practice address

6225 Smith Ave Ste B300
Baltimore, MD 21209-3613

Phone

(667) 208-8855

NPI assigned

Oct 15, 2018

Sex

Female

Sole proprietor

No

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 DC, MD2 enrollments

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Johns Hopkins Community Physicians, IncGroup PAC ID 8325943707, 764 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Merit-based Incentive Payment System (MIPS)

Final score

87.23 of 100Reported as group

Quality

80.47

Promoting interoperability

100

Improvement activities

40

Cost

76.96

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: slarmooh1020663@direct.hopkinsmedicine.org

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.

• Johns Hopkins Community Physicians, Inc

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1578598868

  DC

  Medicare reassignment Care Compare group NPD
• Johns Hopkins Community Physicians, Inc

  • Family Medicine Physician
  • Baltimore, MD
  • NPI 1770518003
  Medicare reassignment NPD (past)
• Johns Hopkins Community Physicians

  • Clinical Social Worker
  • Baltimore, MD
  • NPI 1356161806
  NPD
• Johns Hopkins Community Physicians

  • Clinical Social Worker
  • Frederick, MD
  • NPI 1861203143
  NPD
• Johns Hopkins Community Physicians, Inc

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1255359972
  NPD
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  Care Compare affiliation

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

{
    "created_epoch": "1539561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1306312541",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6225 SMITH AVE STE B300",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212093613",
            "telephone_number": "667-208-8855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6225 SMITH AVE STE B300",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212093613",
            "telephone_number": "667-208-8855"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARMOOH",
        "first_name": "SHANNON",
        "middle_name": "MARISSA",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-15",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R159668",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph John Larivey, CRNP
• Emily Larkin, MD
• Katherine A. Larkin, PA-C
• Deborah Larkins
• Tatianna Larman, MD
• Cecilia Alejandra Larocca
• Allison Megan Larocco, MD
• Autumn Larocque, MD
• Jessica Larosa, M.D.
• Rachel Lee Larosa, MD

• Family Nurse Practitioner in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Family Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 2025; 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.