DEIRDRE CULLUM
NPI 1235445966
Counselor - Professional in Waldorf, MD

Active since August 18, 2010PECOS Enrolled
3261 OLD WASHINGTON RD STE 2020, WALDORF, MD 20602(240) 435-2797 Get Directions Write a Review

NPPES record last updated: June 11, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 11, 2018, Jun 10, 2017 (2 updates tracked since 2017).

About Deirdre Cullum NPPES

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

DEIRDRE CULLUM (NPI 1235445966) is an individual professional provider in Waldorf, Maryland, licensed in Maryland (LC3862) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235445966
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameDEIRDRE CULLUM
Location Address3261 OLD WASHINGTON RD STE 2020Waldorf, MD 20602
Mailing Address105 Whistling Wood CtAccokeek, MD 20607-2707 · (240) 435-2797
Sole ProprietorYes
Enumeration DateAugust 18, 2010
Last NPPES UpdateJune 11, 20182 updates tracked since enumeration
✔ NPI 1235445966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Licenses✔ Licensed in MD · LC3862✔ Licensed in VA · 0701006973
3261 OLD WASHINGTON RD STE 2020, Waldorf, MD 20602

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Deirdre Cullum 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.

Medicare Billing Reassignment

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

Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, District of Columbia and Florida enrollments
  • 1,424 clinicians in this Medicare group

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 20

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

Nurse Practitioner (Family)
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Counselor (Mental Health)
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Social Worker (Clinical)
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Speech-Language Pathologist
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Counselor (Professional)
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Psychiatry & Neurology (Psychiatry)
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Doula
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602
Social Worker (Clinical)
3261 OLD WASHINGTON RD STE 2020
WALDORF, MD 20602

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 Deirdre Cullum's NPI number?

The NPI number for Deirdre Cullum is 1235445966. It was assigned to this individual provider in the NPPES registry on August 18, 2010.

Where is Deirdre Cullum located?

Deirdre Cullum practices at 3261 Old Washington Rd Ste 2020, Waldorf, MD 20602. The listed phone number is (240) 435-2797.

What is Deirdre Cullum's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Deirdre Cullum enrolled in Medicare?

Yes. Deirdre Cullum is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Deirdre Cullum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre Cullum reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). 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 Deirdre Cullum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Deirdre Cullum was last updated on June 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.