BENJAMIN MCMAHON MD
NPI 1639865421
Psychiatry & Neurology - Psychiatry in Washington, DC

Active since April 13, 2023PECOS EnrolledAccepts Medicare Assignment
2150 PENNSYLVANIA AVE NW, WASHINGTON, DC 20037(202) 741-3000 Get Directions Write a Review

NPPES record last updated: October 17, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Benjamin Mcmahon Md NPPES

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

BENJAMIN MCMAHON MD (NPI 1639865421) is an individual psychiatry provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600001876) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2023).

NPPES Registry Identity

NPI1639865421
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameBENJAMIN MCMAHONCredential: MD
Location Address2150 PENNSYLVANIA AVE NWWashington, DC 20037-3201
Mailing Address2122 Decatur Pl Nw Apt 37Washington, DC 20008-1917 · (850) 567-4929
Sole ProprietorYes
Medical School CMSTulane University School Of MedicineGraduated 2023
Enumeration DateApril 13, 2023
Last NPPES UpdateOctober 17, 2024
NPPES CertifiedOctober 2, 2024
NPI 1639865421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in DC · MD600001876
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

2150 PENNSYLVANIA AVE NW, Washington, DC 20037

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Benjamin Mcmahon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618401217
PECOS Enrollment IDI20241105001327
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 20037 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

Nurse Practitioner (Family)
2150 PENNSYLVANIA AVE NW, SUITE 10-412
WASHINGTON, DC 20037
Allergy & Immunology
2150 PENNSYLVANIA AVE NW, SUITE G-402
WASHINGTON, DC 20037
Emergency Medicine
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
Ophthalmology
2150 PENNSYLVANIA AVE NW, ST 2A
WASHINGTON, DC 20037
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2150 PENNSYLVANIA AVE NW, STE 10-409A
WASHINGTON, DC 20037
Obstetrics & Gynecology
2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037
Obstetrics & Gynecology
2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037
Surgery
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037

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 Benjamin Mcmahon's NPI number?

The NPI number for Benjamin Mcmahon is 1639865421. It was assigned to this individual provider in the NPPES registry on April 13, 2023.

Where is Benjamin Mcmahon located?

Benjamin Mcmahon practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-3000.

What is Benjamin Mcmahon's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Benjamin Mcmahon enrolled in Medicare?

Yes. Benjamin Mcmahon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Benjamin Mcmahon was last updated on October 17, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.