Merrill Ansher, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

D26976 Issued in MD

Practice address

11055 Little Patuxent Pkwy
Ste 209
Columbia, MD 21044

Phone

(410) 884-0191

Fax

(510) 997-2607

NPI assigned

Mar 7, 2006

Sex

Male

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 MD

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

Specialty

Neurology

Education

Johns Hopkins University School of Medicine, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Johns Hopkins Regional Physicians LLCGroup PAC ID 3274720552, 83 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Johns Hopkins Howard County Medical Center Hospital, Columbia, MD, CCN 210048
• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Merit-based Incentive Payment System (MIPS)

Final score

82.02 of 100Reported as group

Quality

65.13

Promoting interoperability

98

Improvement activities

40

Cost

76.6

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mansher51863@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 Regional Physicians LLC

  • Cardiovascular Disease Physician
  • Baltimore, MD
  • NPI 1609195320
  Medicare reassignment Care Compare group NPD
• Johns Hopkins Regional Physicians LLC

  • Internal Medicine Physician
  • Columbia, MD
  • NPI 1871454934
  NPD
• Johns Hopkins Regional Physicians LLC

  • Pediatric Cardiology Physician
  • Herndon, VA
  • NPI 1245975796
  NPD
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Johns Hopkins Regional Physicians LLC

  • Neurology Physician
  • Baltimore, MD
  • NPI 1730841628
  NPD (past)

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

• Howard County General Hospital, Inc,

  • General Acute Care Hospital
  • Columbia, MD
  • NPI 1144291899
  Care Compare affiliation
• 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": "1141689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932176294",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11055 LITTLE PATUXENT PKWY",
            "address_2": "STE 209",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "21044",
            "telephone_number": "410-884-0191",
            "fax_number": "510-997-2607"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11055 LITTLE PATUXENT PKWY",
            "address_2": "STE 209",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "21044",
            "telephone_number": "410-884-0191",
            "fax_number": "510-997-2607"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ANSHER",
        "first_name": "MERRILL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MD",
            "license": "D26976",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Anne Arundel Dermatology, P.a.
• Johanna Annick, RBT
• Chinenyem Anozie
• Onyinyechukwu Janis Anozie
• Bertha Ansley, RN
• Berni J Antelman, LCSWC MSW
• Anthony B Sims DDS PC
• Anthony B Sims DDS PC
• Crystal Anthony

• Neurology Physician in Columbia, MD
• Providers in Columbia, MD by specialty
• Neurology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.