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MRS. MARIA O WILLEY M.A., LCMFT
NPI 1487789319
Marriage & Family Therapist in Columbia, MD

Active since February 22, 2007PECOS EnrolledAccepts Medicare Assignment
5850 WATERLOO RD STE 230, COLUMBIA, MD 21045(410) 757-2077 Get Directions Write a Review

NPPES record last updated: October 28, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Maria O Willey M.a., Lcmft NPPES

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

MRS. MARIA O WILLEY M.A., LCMFT (NPI 1487789319) is an individual marriage & family therapist in Columbia, Maryland, licensed in Maryland (LCM1010) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1487789319
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. MARIA O WILLEYCredential: M.A., LCMFT
Location Address5850 WATERLOO RD STE 230Columbia, MD 21045-1943
Mailing Address5850 Waterloo Rd Ste 230Columbia, MD 21045-1943 · (410) 757-2077 · Fax (443) 782-2342
Phone(410) 757-2077
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateFebruary 22, 2007
Last NPPES UpdateOctober 28, 2024
NPPES CertifiedOctober 28, 2024
✔ NPI 1487789319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses✔ Licensed in MD · LCM1010✔ Licensed in LA · 762
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
5850 WATERLOO RD STE 230, Columbia, MD 21045
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Maria O Willey M.a., Lcmft 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 ID7214462662
PECOS Enrollment IDI20241122001048
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.

Medicare Billing Reassignment

Medicare enrollment records show Maria Willey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arundel Mental Health Professionals L.C.
20 mi
Clinical
1511 RITCHIE HWY STE 202
Arnold, MD 21012
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: Arundel Mental Health Professionals Lc
  • 124 clinicians in this Medicare group
NPI 1073649521 (410) 757-2077

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

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALIS AFRICANO LCPC
Counselor (Mental Health)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 757-2077
KIMBERLY RENEA WILLIAMS LMSW
Social Worker (Clinical)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 757-2077
NADINE DAVIS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 757-2077
MICHAEL GEORGE CROWLEY LCPC, NCC
Counselor (Professional)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 490-7851
ZOE SEKAS ZIMAN LCSW-C
Social Worker (Clinical)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (240) 687-7826
CYNTHIA D. MUNSHELL PHD
Psychologist (Clinical)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 757-2077
DR. ARIEL ANTONIO VITALI JR. MD
Psychiatry & Neurology (Psychiatry)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 757-2077
MS. RAEALYNE S OLARTE LCSW-C
Social Worker (Clinical)
5850 WATERLOO RD STE 230
COLUMBIA, MD 21045
Howard County (410) 757-2077

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 Maria Willey's NPI number?

The NPI number for Maria Willey is 1487789319. It was assigned to this individual provider in the NPPES registry on February 22, 2007.

Where is Maria Willey located?

Maria Willey practices at 5850 Waterloo Rd Ste 230, Columbia, MD 21045. The listed phone number is (410) 757-2077.

What is Maria Willey's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Maria Willey enrolled in Medicare?

Yes. Maria Willey 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.

Which organization bills Medicare for Maria Willey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Willey reassigns Medicare benefits to Arundel Mental Health Professionals L.C. (Arnold, MD). The 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 Maria Willey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Willey accept?

Health plans from CareSource and UnitedHealthcare list Maria Willey 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 Maria Willey was last updated on October 28, 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.