John Mccarthy, CRNP - Medicare Nurse Practitioner in Gaithersburg, MD

John Mccarthy, CRNP is a medicare enrolled "Nurse Practitioner - Family" in Gaithersburg, Maryland. He graduated from nursing school in 2013 and has 11 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Johns Hopkins Community Physicians and his current practice location is 21034 Woodfield Rd, Gaithersburg, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 509-4150.

John Mccarthy is licensed to practice in Maryland (license number R135272) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1952814634.

Contact Information

John Mccarthy, CRNP
21034 Woodfield Rd,
Gaithersburg, MD 20882-1203
(301) 509-4150
Not Available

Map and Direction




Provider's Profile

Full NameJohn Mccarthy
GenderMale
SpecialityNurse Practitioner
Experience11 Years
Location21034 Woodfield Rd, Gaithersburg, Maryland
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Mccarthy graduated from nursing school in 2013
  NPI Data:
  • NPI Number: 1952814634
  • Provider Enumeration Date: 11/16/2017
  • Last Update Date: 11/16/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 2264796887
  • Enrollment ID: I20180508001475

Medical Identifiers

Medical identifiers for John Mccarthy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952814634NPI-NPPES
R135272OtherMDSTATE OF MARYLAND

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family R135272 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Amedisys Home HealthWestminster, MDHome health agency
Home Call - FrederickFrederick, MDHome health agency
Hospice Of Frederick CountyFrederick, MDHospice
Johns Hopkins Hospital, TheBaltimore, MDHospital
Frederick Health HospitalFrederick, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Johns Hopkins Community Physicians8325943707568

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John Mccarthy allows following entities to bill medicare on his behalf.
Entity NameJohns Hopkins Community Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770518003
PECOS PAC ID: 8325943707
Enrollment ID: O20031201000115

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Mccarthy is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Mccarthy, CRNP
21034 Woodfield Rd,
Gaithersburg, MD 20882-1203

Ph: (301) 509-4150
John Mccarthy, CRNP
21034 Woodfield Rd,
Gaithersburg, MD 20882-1203

Ph: (301) 509-4150

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.