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

ROCKVILLE PSYCHIATRIC SERVICE LLC
NPI 1205330842
Psychiatry & Neurology - Psychiatry in Gaithersburg, MD

Q: What is Rockville Psychiatric Service LLC's NPI number?

The NPI number for Rockville Psychiatric Service LLC is 1205330842. It was assigned to this organization in the NPPES registry on March 20, 2018.

Q: What is Rockville Psychiatric Service LLC's specialty?

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

Active since March 20, 2018

12209 GIBBY ALY, GAITHERSBURG, MD 20878(301) 792-8099(240) 317-6779 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 26, 2026, Oct 17, 2026, Mar 20, 2018 (3 updates tracked since 2018).

On this page

About Rockville Psychiatric Service Llc NPPES

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

ROCKVILLE PSYCHIATRIC SERVICE LLC (NPI 1205330842) is a healthcare organization registered as a psychiatry in Gaithersburg, Maryland and active in the NPI registry since March 2018. The organization lists Hang Wang, Owner, as its authorized official.

NPPES Registry Identity

NPI1205330842

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameROCKVILLE PSYCHIATRIC SERVICE LLC

Location Address12209 GIBBY ALYGaithersburg, MD 20878-2492

Mailing Address500 N Washington St Unit 4148Rockville, MD 20849-7583 · (301) 792-8099 · Fax (240) 317-6779

Phone(301) 792-8099

Fax(240) 317-6779

Organization SubpartNo

Authorized OfficialHang WangOwner · (301) 792-8099

Enumeration DateMarch 20, 2018

Last NPPES UpdateOctober 26, 20263 updates tracked since enumeration

NPPES CertifiedOctober 26, 2026

✔ NPI 1205330842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

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.

12209 GIBBY ALY, Gaithersburg, MD 20878

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Other Names 1

Doing Business AsRockville Psychiatric Service Llc

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rockville Psychiatric Service Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Rockville Psychiatric Service LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Hang Wang, MD

Psychiatry

NPI 1609159482

12209 GIBBY ALY
Gaithersburg, MD 20878

(301) 792-8099

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Rockville Psychiatric Service LLC's NPI number?

The NPI number for Rockville Psychiatric Service LLC is 1205330842. It was assigned to this organization in the NPPES registry on March 20, 2018.

Where is Rockville Psychiatric Service LLC located?

Rockville Psychiatric Service LLC is located at 12209 Gibby Aly, Gaithersburg, MD 20878. The listed phone number is (301) 792-8099.

What is Rockville Psychiatric Service LLC's specialty?

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

Is Rockville Psychiatric Service LLC enrolled in Medicare?

Yes. Rockville Psychiatric Service LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rockville Psychiatric Service LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Rockville Psychiatric Service LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Rockville Psychiatric Service LLC was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.