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HELOISE DEROSIS M.D.
NPI 1255541553
Psychiatry & Neurology - Psychiatry in Chevy Chase, MD

Active since May 23, 2007Opted out of Medicare · through Nov 19, 2026
5417 CENTER ST, CHEVY CHASE, MD 20815(202) 577-5751 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Heloise Derosis M.d. NPPES

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

HELOISE DEROSIS M.D. (NPI 1255541553) is an individual psychiatry provider in Chevy Chase, Maryland, licensed in Maryland (D0027828) and active in the NPI registry since May 2007. She has opted out of Medicare through November 19, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1255541553
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameHELOISE DEROSISCredential: M.D.
Location Address5417 CENTER STChevy Chase, MD 20815-7123
Mailing AddressPo Box 15640Chevy Chase, MD 20825-5640 · (202) 577-5751
Phone(202) 577-5751
Sole ProprietorYes
Enumeration DateMay 23, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1255541553 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 MD · D0027828
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.
5417 CENTER ST, Chevy Chase, MD 20815
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Other Identifiers 1

Medicare UPIN874223MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Heloise Derosis M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 19, 2016 through November 19, 2026.

Opt-Out Effective DateNovember 19, 2016
Opt-Out In Effect ThroughNovember 19, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20815 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.

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 Heloise Derosis's NPI number?

The NPI number for Heloise Derosis is 1255541553. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Where is Heloise Derosis located?

Heloise Derosis practices at 5417 Center St, Chevy Chase, MD 20815. The listed phone number is (202) 577-5751.

What is Heloise Derosis's specialty?

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

Is Heloise Derosis enrolled in Medicare?

No. Heloise Derosis has opted out of Medicare through November 19, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Heloise Derosis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.