DAVID S. IRWIN, M.D.
NPI 1366866808
Psychiatry & Neurology - Geriatric Psychiatry in Gaithersburg, MD

Active since February 04, 2014
16220 FREDERICK RD, SUITE 308, GAITHERSBURG, MD 20877(301) 840-1077(301) 948-6199 Get Directions Write a Review

NPPES record last updated: February 4, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Organization
  • Psychiatry & Neurology
  • Geriatric Psychiatry

About DAVID S. IRWIN, M.D.

This page provides the complete NPI Profile along with additional information for David S. Irwin, M.d., a provider established in Gaithersburg, Maryland operating as a Psychiatry & Neurology, focusing in geriatric psychiatry . The healthcare provider is registered in the NPI registry with number 1366866808 assigned on February 2014. The practitioner's primary taxonomy code is 2084P0805X with license number D0001714 (MD). The provider is registered as an organization and their NPI record was last updated 12 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's is doing business as David S. Irwin, M.d.. The authorized official of this NPI record is Julie Jaster (Office Manager)

NPI
1366866808 Verify this NPI
Provider Legal Name
DAVID S. IRWIN, M.D.,P.A.
Other Organization Name
DAVID S. IRWIN, M.D.
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
16220 FREDERICK RD SUITE 308 GAITHERSBURG, MD 20877
Location Phone
(301) 840-1077
Location Fax
(301) 948-6199
Mailing Address
16220 FREDERICK RD SUITE 308 GAITHERSBURG, MD 20877
Mailing Phone
(301) 840-1077
Mailing Fax
(301) 948-6199
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-04-2014
Last Update Date
02-04-2014
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Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychiatry & Neurology Geriatric Psychiatry

Taxonomy Code
2084P0805X
Type
Allopathic & Osteopathic Physicians
License No.
D0001714
License State
MD
Taxonomy Description
Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JULIE JASTER

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(301) 840-1077

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
E52135MEDICARE UPIN (02)DC 
621812MEDICARE PIN (08)DC 

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Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Pulmonary Disease)
16220 FREDERICK RD, STE.213
GAITHERSBURG, MD 20877
Internal Medicine (Pulmonary Disease)
16220 FREDERICK RD, STE 213
GAITHERSBURG, MD 20877
Internal Medicine (Pulmonary Disease)
16220 FREDERICK RD, STE 213
GAITHERSBURG, MD 20877
Family Medicine (Adult Medicine)
16220 FREDERICK RD, SUITE 200
GAITHERSBURG, MD 20877
Family Medicine
16220 FREDERICK RD, SUITE 200
GAITHERSBURG, MD 20877
Acupuncturist
16220 FREDERICK RD, SUITE 404
GAITHERSBURG, MD 20877
Social Worker (Clinical)
16220 FREDERICK RD, SUITE 502
GAITHERSBURG, MD 20877
Counselor (Addiction (Substance Use Disorder))
16220 FREDERICK RD
GAITHERSBURG, MD 20877
Social Worker (Clinical)
16220 FREDERICK RD, SUITE 502
GAITHERSBURG, MD 20877
Counselor (Professional)
16220 FREDERICK RD
GAITHERSBURG, MD 20877
Dentist (General Practice)
16220 FREDERICK RD, SUITE 400
GAITHERSBURG, MD 20877
Dentist (General Practice)
16220 FREDERICK RD
GAITHERSBURG, MD 20877
Clinic/Center (Physical Therapy)
16220 FREDERICK RD, STE 120
GAITHERSBURG, MD 20877
Pediatrics (Adolescent Medicine)
16220 FREDERICK RD, SUITE 420
GAITHERSBURG, MD 20877
Dietitian, Registered
16220 FREDERICK RD, SUITE 120
GAITHERSBURG, MD 20877
Pharmacy (Community/Retail Pharmacy)
16220 FREDERICK RD, SUITE 101
GAITHERSBURG, MD 20877
Social Worker (Clinical)
16220 FREDERICK RD, 502
GAITHERSBURG, MD 20877
Community/Behavioral Health
16220 FREDERICK RD, SUITE 502
GAITHERSBURG, MD 20877
Counselor (Professional)
16220 FREDERICK RD, SUITE 502
GAITHERSBURG, MD 20877
Social Worker (School)
16220 FREDERICK RD, SUITE 310
GAITHERSBURG, MD 20877

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366866808, enumerated as an "organization" on February 04, 2014.

The provider is located at 16220 FREDERICK RD SUITE 308 GAITHERSBURG, MD 20877 and the phone number is (301) 840-1077.

Psychiatry & Neurology with taxonomy code 2084P0805X and a focus in Geriatric Psychiatry.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.