DR. BRIAN P. MONAHAN MD
NPI 1912908120
Internal Medicine - Hematology & Oncology in Washington, DC

Active since August 10, 2005PECOS Enrolled
UNITED STATES CONGRESS H-166 US CAPITOL, WASHINGTON, DC 20515(202) 225-5421(202) 225-3396 Get Directions Write a Review

NPPES record last updated: November 10, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Brian P. Monahan Md NPPES

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

DR. BRIAN P. MONAHAN MD (NPI 1912908120) is an individual hematology & oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD039017) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912908120
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. BRIAN P. MONAHANCredential: MD
Location AddressUNITED STATES CONGRESS H-166 US CAPITOLWashington, DC 20515-0001
Mailing Address9905 Old Spring RdKensington, MD 20895-3247 · (301) 435-5388 · Fax (301) 295-0981
Fax(202) 225-3396
Sole ProprietorNo
Enumeration DateAugust 10, 2005
Last NPPES UpdateNovember 10, 2023
NPPES CertifiedNovember 10, 2023
NPI 1912908120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in DC · MD039017 Licensed in MD · D0035835
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
UNITED STATES CONGRESS H-166 US CAPITOL, Washington, DC 20515

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 P. Monahan Md 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 20515 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
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.

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 Monahan's NPI number?

The NPI number for Brian Monahan is 1912908120. It was assigned to this individual provider in the NPPES registry on August 10, 2005.

Where is Brian Monahan located?

Brian Monahan practices at United States Congress H-166 Us Capitol, Washington, DC 20515. The listed phone number is (202) 225-5421.

What is Brian Monahan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Brian Monahan enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Brian Monahan was last updated on November 10, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.