Individual provider Active NPI

John McCarthy, CRNP

  • Family Nurse Practitioner
  • Gaithersburg, MD
National Provider Identifier
1952814634
Registry record updated Nov 16, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
R135272 Issued in MD
Practice address
21034 Woodfield Rd
Gaithersburg, MD 20882-1203
Phone
(301) 509-4150
NPI assigned
Nov 16, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 16, 2017

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X R135272 MD Primary

Addresses

Primary practice location

21034 Woodfield Rd
Gaithersburg, MD 20882-1203

Mailing address

21034 Woodfield Rd
Gaithersburg, MD 20882-1203
Phone (301) 509-4150

Other identifiers 1

IdentifierTypeStateIssuer
R135272OtherMDSTATE OF MARYLAND

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 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

Enrollment IDStateProvider typePAC IDDetails
I20180508001475 MD Practitioner - Nurse Practitioner 2264796887 Reassigns benefits to 1 organization
I20251211000652 DC Practitioner - Nurse Practitioner 2264796887 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Adventist Physician Services IncGroup PAC ID 4284631540, 144 clinicians

Practice addresses (Care Compare)

9901 Medical Ctr Dr
Rockville, MD 20850-3357
Phone (301) 279-6000

Hospital & facility affiliations

  • Adventist Healthcare Shady Grove Medical Center Hospital, Rockville, MD, CCN 210057

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Tidalhealth Specialty Care, LLC CurrentSince Jul 15, 2024 Accepting new patients
Adventist Physician Services, Inc. CurrentSince Sep 26, 2025 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

820 W Diamond Ave
Gaithersburg, MD 20878
Phone (301) 315-3030

820 W Diamond Ave
Ste 500
Gaithersburg, MD 20878

9901 Medical Center Dr
Rockville, MD 20850
Phone (301) 279-6000

100 E Carroll St
Salisbury, MD 21801
Phone (410) 543-7100

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1510790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1510790400000",
    "number": "1952814634",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21034 WOODFIELD RD",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208821203",
            "telephone_number": "301-509-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21034 WOODFIELD RD",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208821203",
            "telephone_number": "301-509-4150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCARTHY",
        "first_name": "JOHN",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-11-16",
        "last_updated": "2017-11-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R135272",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE OF MARYLAND",
            "identifier": "R135272",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Gaithersburg, MD

Sources for this page

Verify at the official NPI Registry.