Karen Alexis Plaisir, CRNP

Primary specialty

Obstetrics PhysicianTaxonomy code 207VX0000X

License

R159055 Issued in MD

Practice address

12 Medstar Blvd Ste 235
Bel Air, MD 21015-1824

Phone

(410) 877-8088

Fax

(410) 877-8082

NPI assigned

May 17, 2007

Last updated

Apr 14, 2025By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in MD

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 1

Specialty

Nurse Practitioner

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

82.34 of 100Reported as group

Quality

67.9

Promoting interoperability

100

Improvement activities

40

Cost

69.47

Merit-based Incentive Payment System (MIPS)

Final score

77.37 of 100Reported as group

Quality

74

Improvement activities

40

Cost

72.24

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: karen.plaisir.1@27069.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187
  Medicare reassignment Care Compare group NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

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

  dba Midi Health PC

  • Obstetrics & Gynecology Physician
  • Palo Alto, CA
  • NPI 1972266732
  NPD (past)
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD (past)

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

{
    "created_epoch": "1179360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744588800000",
    "number": "1457568651",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1576 MERRITT BLVD STE 16",
            "city": "DUNDALK",
            "state": "MD",
            "postal_code": "212222136",
            "telephone_number": "410-650-2191",
            "fax_number": "410-288-4567"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12 MEDSTAR BLVD STE 235",
            "city": "BEL AIR",
            "state": "MD",
            "postal_code": "210151824",
            "telephone_number": "410-877-8088",
            "fax_number": "410-877-8082"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "173 Saint Patricks Dr Ste 104",
            "address_purpose": "LOCATION",
            "city": "Waldorf",
            "state": "MD",
            "postal_code": "206035530",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "450 Alaskan Way S Ste 200",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981042785",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "111 N Orange Ave Ste 800",
            "address_purpose": "LOCATION",
            "city": "Orlando",
            "state": "FL",
            "postal_code": "328012381",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "139 Centre St Ph 120",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100134559",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1576 Merritt Blvd Ste 16",
            "address_purpose": "LOCATION",
            "city": "Dundalk",
            "state": "MD",
            "postal_code": "21222",
            "country_code": "US",
            "telephone_number": "410-650-2191",
            "fax_number": "410-288-4567",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PLAISIR",
        "first_name": "KAREN",
        "middle_name": "ALEXIS",
        "name_prefix": "Mrs.",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-17",
        "last_updated": "2025-04-14",
        "certification_date": "2025-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MD",
            "license": "R159055",
            "primary": false
        },
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "MD",
            "license": "R159055",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pivot Nutrition LLC (Pivot Nutrition)
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• Pjison Pmhnpbc LLC (Reflective Psychiatric Solutions)
• PK Gynecology and Aesthetics
• Jessica Leigh Placek, LCSW-C
• Stefanie Plitt, LCSW-C
• Nikki Plummer, LCSWC
• Plumtree Family Health Center, LLC
• Plumtree Pediatrics, LLC (Laurel Pediatric and Teen Medical Center)
• Robert T Poane

• Obstetrics Physician in Bel Air, MD
• Providers in Bel Air, MD by specialty
• Obstetrics Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 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.