David S. Irwin, M.d. - Mental Health Clinic in Gaithersburg, MD

David S. Irwin, M.d. is a mental health clinic (Psychiatry & Neurology - Geriatric Psychiatry) in Gaithersburg, Maryland. The current practice location for David S. Irwin, M.d. is 16220 Frederick Rd, Suite 308, Gaithersburg, Maryland. For appointments, you can reach them via phone at (301) 840-1077. The mailing address for David S. Irwin, M.d. is 16220 Frederick Rd, Suite 308, Gaithersburg, Maryland and phone number is (301) 840-1077.

David S. Irwin, M.d. is licensed to practice in Maryland (license number D0001714) and its NPI number is 1366866808. This medical practice does not participate in medicare program and thus may not accept your medicare insurance. You may check if they accept your insurance at (301) 840-1077.

Contact Information

David S. Irwin, M.d.
16220 Frederick Rd
Suite 308
Gaithersburg
MD 20877-4039
(301) 840-1077
(301) 948-6199

Map and Direction


Mental Health Clinic Profile

Full NameDavid S. Irwin, M.d.
SpecialityPsychiatry & Neurology - Geriatric Psychiatry
Location16220 Frederick Rd, Gaithersburg, Maryland
Authorized Official Name and PositionJulie Jaster (OFFICE MANAGER)
Authorized Official Contact3018401077
Accepts Medicare InsuranceThis clinic does not participate in Medicare Program.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
David S. Irwin, M.d.
16220 Frederick Rd
Suite 308
Gaithersburg
MD 20877-4039

Ph: (301) 840-1077
David S. Irwin, M.d.
16220 Frederick Rd
Suite 308
Gaithersburg
MD 20877-4039

Ph: (301) 840-1077

NPI Details:

NPI Number1366866808
Provider Enumeration Date02/04/2014
Last Update Date02/04/2014

Medical Identifiers

Medical identifiers for David S. Irwin, M.d. such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366866808NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0805XPsychiatry & Neurology - Geriatric Psychiatry D0001714 (Maryland)Primary

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.