Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY ANN REHMAN MD
NPI 1619505484
Psychiatry & Neurology - Psychiatry in Bethesda, MD

Q: What is Mary Rehman's NPI number?

The NPI number for Mary Rehman is 1619505484. It was assigned to this individual provider in the NPPES registry on March 29, 2020.

Q: What is Mary Rehman'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 Mary Rehman was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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 March 29, 2020PECOS Enrolled

8901 WISCONSIN AVE, BETHESDA, MD 20889(864) 909-0161 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 16, 2026, Feb 7, 2025, Aug 17, 2023 and 1 more (4 updates tracked since 2020).

On this page

About Mary Ann Rehman Md NPPES

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

MARY ANN REHMAN MD (NPI 1619505484) is an individual psychiatry provider in Bethesda, Maryland, licensed in Virginia (0101273471) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619505484

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameMARY ANN REHMANCredential: MD

Location Address8901 WISCONSIN AVEBethesda, MD 20889-0004

Mailing Address8300 Wisconsin Ave Apt 822Bethesda, MD 20814-3294 · (301) 295-4547

Phone(864) 909-0161

Sole ProprietorNo

Enumeration DateMarch 29, 2020

Last NPPES UpdateSeptember 16, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2026

✔ NPI 1619505484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in VA · 0101273471

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 0101273471 (VA)

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 0101273471 (VA)

8901 WISCONSIN AVE, 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)

Mary Ann Rehman 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 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

$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.

DR. TAMMERA NELSON

Pharmacist

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4497

DAWOOD TAFTI M.D.

Radiology (Diagnostic Radiology)

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 319-8373

DR. ASHLEY BEE BOZZAY

Student in an Organized Health Care Education/Training Program

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-8588

DR. ADAM JOSEPH MAIER DO

Internal Medicine (Infectious Disease)

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4000

SIMAL RUHISHTA ALI DO

General Practice

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4900

DR. JACOB L FRIESEN M.D.

Psychiatry & Neurology (Psychiatry)

8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889

Montgomery County (301) 319-3772

MS. CARLA PATRICE ALEXIS P.T.

Physical Therapist

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4880

DR. ANN TALBOT SCHWARTZ MD

Pediatrics

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4941

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 Mary Rehman's NPI number?

The NPI number for Mary Rehman is 1619505484. It was assigned to this individual provider in the NPPES registry on March 29, 2020.

Where is Mary Rehman located?

Mary Rehman practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (864) 909-0161.

What is Mary Rehman's specialty?

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

Is Mary Rehman enrolled in Medicare?

Yes. Mary Rehman is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Rehman was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.