OASIS BEHAVIORAL HEALTH CENTER LLC
NPI 1639436918
Psychiatry & Neurology - Psychiatry in Norwood, MA

Q: What is Oasis Behavioral Health Center LLC's NPI number?

The NPI number for Oasis Behavioral Health Center LLC is 1639436918. It was assigned to this organization in the NPPES registry on April 11, 2012.

Q: What is Oasis Behavioral Health Center LLC's specialty?

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

Active since April 11, 2012

1506 PROVIDENCE HWY UNIT 25, NORWOOD, MA 02062(617) 401-7700(617) 299-8534 Get Directions Write a Review

NPPES record last updated: January 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Oasis Behavioral Health Center Llc NPPES

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

OASIS BEHAVIORAL HEALTH CENTER LLC (NPI 1639436918) is a healthcare organization registered as a psychiatry in Norwood, Massachusetts and active in the NPI registry since April 2012. The organization lists Mathews Thomas, Director, as its authorized official.

NPPES Registry Identity

NPI1639436918

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameOASIS BEHAVIORAL HEALTH CENTER LLC

Location Address1506 PROVIDENCE HWY UNIT 25Norwood, MA 02062-4647

Mailing Address1506 Providence Hwy Unit 25Norwood, MA 02062-4647 · (617) 401-7700 · Fax (617) 299-8534

Phone(617) 401-7700

Fax(617) 299-8534

Organization SubpartNo

Authorized OfficialMathews ThomasDirector · (617) 947-8897

Enumeration DateApril 11, 2012

Last NPPES UpdateJanuary 19, 2024

NPPES CertifiedJanuary 19, 2024

✔ NPI 1639436918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MA · 230794

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 ListedPsychiatry & Neurology · Forensic PsychiatryTaxonomy 2084F0202X · License 230794 (MA)

Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License 230794 (MA)

Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License 230794 (MA)

1506 PROVIDENCE HWY UNIT 25, Norwood, MA 02062

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oasis Behavioral Health Center Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Oasis Behavioral Health Center LLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (5)

Mathews Thomas, M.D

Psychiatry

NPI 1689790586

940 BELMONT ST DEPT OF PSYCHIATRY, VA MEDICAL CENTER
Brockton, MA 02301

(774) 826-1793

✔ PECOS✔ Accepts Medicare11 mi

Syed Jafery, M.D.

Psychiatry

NPI 1255582698

63 MAIN ST
Brockton, MA 02301

(508) 559-6699

✔ PECOS✔ Accepts Medicare11 mi

Eileen Wong, M.D.

Psychiatry

NPI 1528159332

180 MORTON ST 4NORTH
Jamaica Plain, MA 02130

(617) 626-9367

✔ PECOS✔ Accepts Medicare11 mi

David Leiman, M.D.

Psychiatry

NPI 1790713014

680 CENTRE ST
Brockton, MA 02302

(508) 941-7228

✔ PECOS✔ Accepts Medicare12 mi

Kathleen Whalen

Mental Health Counselor

NPI 1487054474

200 HUDSON ST APT #29
Northborough, MA 01532

(508) 393-1388

✔ PECOS25 mi

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 Oasis Behavioral Health Center LLC's NPI number?

The NPI number for Oasis Behavioral Health Center LLC is 1639436918. It was assigned to this organization in the NPPES registry on April 11, 2012.

Where is Oasis Behavioral Health Center LLC located?

Oasis Behavioral Health Center LLC is located at 1506 Providence Hwy Unit 25, Norwood, MA 02062. The listed phone number is (617) 401-7700.

What is Oasis Behavioral Health Center LLC's specialty?

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

Is Oasis Behavioral Health Center LLC enrolled in Medicare?

Yes. Oasis Behavioral Health Center LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oasis Behavioral Health Center LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Oasis Behavioral Health Center 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. The largest specialties are Psychiatry (4) and Mental Health Counselor (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Oasis Behavioral Health Center LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Oasis Behavioral Health Center LLC 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.

When was this NPI record last updated?

The NPPES record for Oasis Behavioral Health Center LLC was last updated on January 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.