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DR. BRIAN K. AGAN M.D.
NPI 1669434718
Internal Medicine - Infectious Disease in Bethesda, MD

Active since April 04, 2006PECOS Enrolled
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-6400 Get Directions Write a Review

NPPES record last updated: November 2, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Brian K. Agan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BRIAN K. AGAN M.D. (NPI 1669434718) is an individual infectious disease provider in Bethesda, Maryland, licensed in Maryland (D0081449) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669434718
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. BRIAN K. AGANCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-5095
Mailing Address6720a Rockledge Dr Ste 250Bethesda, MD 20817-1888 · (240) 694-2946 · Fax (301) 295-1812
Phone(301) 295-6400
Sole ProprietorNo
Enumeration DateApril 4, 2006
Last NPPES UpdateNovember 2, 2023
NPPES CertifiedNovember 2, 2023
✔ NPI 1669434718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MD · D0081449
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
8901 ROCKVILLE PIKE, Bethesda, MD 20889
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Brian K. Agan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MATTHEW NICHOLAS RIBEIRO MD
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Agan's NPI number?

The NPI number for Brian Agan is 1669434718. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is Brian Agan located?

Brian Agan practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-6400.

What is Brian Agan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Brian Agan enrolled in Medicare?

Yes. Brian Agan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brian Agan was last updated on November 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.