DR. NICHOLAS JAMES MAHAN MD
NPI 1881157923
Psychiatry & Neurology - Psychiatry in Brooklyn, NY

Q: What is Nicholas Mahan's NPI number?

The NPI number for Nicholas Mahan is 1881157923. It was assigned to this individual provider in the NPPES registry on April 6, 2019.

Q: What is Nicholas Mahan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nicholas Mahan was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.

Active since April 06, 2019PECOS EnrolledAccepts Medicare Assignment

920 48TH ST, BROOKLYN, NY 11219(718) 283-1955(718) 213-4126 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 7, 2020, Apr 6, 2019 (2 updates tracked since 2019).

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About Dr. Nicholas James Mahan Md NPPES

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

DR. NICHOLAS JAMES MAHAN MD (NPI 1881157923) is an individual psychiatry provider in Brooklyn, New York, licensed in District Of Columbia (MD048694) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and is a graduate of Kansas City University Of Physicians And Surgeons (2019).

NPPES Registry Identity

NPI1881157923

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. NICHOLAS JAMES MAHANCredential: MD

Location Address920 48TH STBrooklyn, NY 11219-2918

Mailing Address1739 Kilbourne Pl NwWashington, DC 20010-3610

Phone(718) 283-1955

Fax(718) 213-4126

Sole ProprietorYes

Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2019

Enumeration DateApril 6, 2019

Last NPPES UpdateAugust 25, 20252 updates tracked since enumeration

NPPES CertifiedAugust 25, 2025

✔ NPI 1881157923 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 · MD048694

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.

920 48TH ST, Brooklyn, NY 11219

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

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

Dr. Nicholas James Mahan 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 ID8729464243

PECOS Enrollment IDI20240730000262

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maimonides Medical Center

Acute Care Hospitals · Brooklyn, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330194

Location4802 Tenth AvenueBrooklyn, NY 11219 · Kings County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11219 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

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.

DR. ERICA NICOLE HUTCHISON PHD

Psychologist (Clinical)

920 48TH ST, OFFICE 1127
BROOKLYN, NY 11219

Kings County (718) 283-8174

MARCELLE ABREGO LMSW

Social Worker (Clinical)

920 48TH ST
BROOKLYN, NY 11219

Kings County (718) 283-8100

DOMENICK SCHIAVONE LMSW

Social Worker

920 48TH ST, 2ND FLOOR/ADULT OUTPATIENT SERVICES
BROOKLYN, NY 11219

Kings County (718) 283-6126

LYLES SWIFT-FARLEY

Student in an Organized Health Care Education/Training Program

920 48TH ST
BROOKLYN, NY 11219

Kings County (718) 283-7800

WEI HUANG

Social Worker

920 48TH ST
BROOKLYN, NY 11219

Kings County (718) 283-7800

MAIMONIDES MEDICAL CENTER

Psychiatric Unit

920 48TH ST
BROOKLYN, NY 11219

Kings County (718) 283-8958

EDWARD YI MD

Psychiatry & Neurology (Psychiatry)

920 48TH ST
BROOKLYN, NY 11219

Kings County (718) 283-7800

SILVIA GABRIELA LEON LMSW

Social Worker (Clinical)

920 48TH ST
BROOKLYN, NY 11219

Kings County (718) 283-8580

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 Nicholas Mahan's NPI number?

The NPI number for Nicholas Mahan is 1881157923. It was assigned to this individual provider in the NPPES registry on April 6, 2019.

Where is Nicholas Mahan located?

Nicholas Mahan practices at 920 48th St, Brooklyn, NY 11219. The listed phone number is (718) 283-1955.

What is Nicholas Mahan's specialty?

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

Is Nicholas Mahan enrolled in Medicare?

Yes. Nicholas Mahan 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.

What insurance does Nicholas Mahan accept?

Health plans from Providence Health Plan list Nicholas Mahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nicholas Mahan affiliated with any hospitals?

According to CMS data, Nicholas Mahan is affiliated with Maimonides Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Mahan was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.