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

DR. DINELLY HOLDER PHD, NCC, CCMHC
NPI 1013253897
Counselor - Professional in Oxon Hill, MD

Active since December 22, 2012
6710 OXON HILL RD STE 210, OXON HILL, MD 20745(571) 946-8115(571) 376-6854 Get Directions Write a Review

NPPES record last updated: October 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 17, 2026, Sep 22, 2026, Jul 21, 2022 and 1 more (4 updates tracked since 2017).

About Dr. Dinelly Holder Phd, Ncc, Ccmhc NPPES

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

DR. DINELLY HOLDER PHD, NCC, CCMHC (NPI 1013253897) is an individual professional provider in Oxon Hill, Maryland and active in the NPI registry since December 2012. She maintains a secondary practice location in Alexandria.

NPPES Registry Identity

NPI1013253897
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameDR. DINELLY HOLDERCredential: PHD, NCC, CCMHC
Location Address6710 OXON HILL RD STE 210Oxon Hill, MD 20745-1124
Mailing Address6710 Oxon Hill Rd Ste 210Oxon Hill, MD 20745-1124 · (571) 946-8115 · Fax (571) 376-6854
Phone(571) 946-8115
Fax(571) 376-6854
Sole ProprietorNo
Enumeration DateDecember 22, 2012
Last NPPES UpdateOctober 17, 20264 updates tracked since enumeration
NPPES CertifiedOctober 17, 2026
✔ NPI 1013253897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
6710 OXON HILL RD STE 210, Oxon Hill, MD 20745
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Secondary Practice Location 1

Location 11800 Diagonal Rd Ste 600Alexandria, VA 22314-2840 · Phone (571) 946-8115 · Fax (571) 376-6854

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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.

CARAFAP- CARE AND RECREATIONAL ACTIVITIES FOR AUTISTIC PEOPLE
Respite Care (Respite Care, Intellectual and/or Developmental Disabilities)
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (888) 951-6370
URSULA CAMELO-CERRO LCPC, LPC
Counselor (Mental Health)
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (703) 220-1807
AYANNA COLEMAN MA
Counselor
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (202) 422-2304
ROSEWITHA RENEE GRADY SHELTON
Counselor (Professional)
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (202) 734-4885
CLEAR ABA
Behavior Analyst
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (240) 659-8583
HOLLY ASHLEY LICSW, LCSW-C
Social Worker
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (202) 607-4543
DR. RITA JOHNSON EDD LCPC CCMHC ACS
Counselor (Professional)
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (240) 521-3814
DR. VABIAN LEWITT PADEN M.D.
Physical Medicine & Rehabilitation
6710 OXON HILL RD STE 210
OXON HILL, MD 20745
Prince George's County (240) 702-2719

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 Dinelly Holder's NPI number?

The NPI number for Dinelly Holder is 1013253897. It was assigned to this individual provider in the NPPES registry on December 22, 2012.

Where is Dinelly Holder located?

Dinelly Holder practices at 6710 Oxon Hill Rd Ste 210, Oxon Hill, MD 20745. The listed phone number is (571) 946-8115.

What is Dinelly Holder's specialty?

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

What insurance does Dinelly Holder accept?

Health plans from Oscar Health list Dinelly Holder 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 Dinelly Holder was last updated on October 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.