MARK J SINGER, MD, LCSW
NPI 1497871461
Counselor - Mental Health in Richmond, VA

Q: What is Mark J Singer, MD, Lcsw's NPI number?

The NPI number for Mark J Singer, MD, Lcsw is 1497871461. It was assigned to this organization in the NPPES registry on March 22, 2007.

Q: What is Mark J Singer, MD, Lcsw's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Active since March 22, 2007

605 TWINRIDGE LN, RICHMOND, VA 23235(804) 330-0816 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Mark J Singer, Md, Lcsw NPPES

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

MARK J SINGER, MD, LCSW (NPI 1497871461) is a healthcare organization registered as a mental health in Richmond, Virginia and active in the NPI registry since March 2007. The organization lists Mark J Singer, Owner, as its authorized official.

NPPES Registry Identity

NPI1497871461

Entity TypeOrganization

Primary Taxonomy101YM0800X

Legal Business NameMARK J SINGER, MD, LCSW

Location Address605 TWINRIDGE LNRichmond, VA 23235-5268

Mailing Address3200 Saint Martins Trl, Apt 1111Richmond, VA 23294-4919 · (804) 615-8565 · Fax (804) 330-8007

Phone(804) 330-0816

Organization SubpartNo

Authorized OfficialMark J SingerOwner · (804) 330-0816

Enumeration DateMarch 22, 2007

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1497871461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in VA · 0904000716

Also ListedExclusive Provider OrganizationTaxonomy 302F00000X · License 0904000716 (VA)

605 TWINRIDGE LN, Richmond, VA 23235

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Other Providers at the Same Location NPPES 2

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

MS. CAROLYN EAGLES NEWMAN LCSW

Social Worker (Clinical)

605 TWINRIDGE LN
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 240-6546

PROACTIVE CHANGE

Community/Behavioral Health

605 TWINRIDGE LN
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 909-7395

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 Mark J Singer, MD, Lcsw's NPI number?

The NPI number for Mark J Singer, MD, Lcsw is 1497871461. It was assigned to this organization in the NPPES registry on March 22, 2007.

Where is Mark J Singer, MD, Lcsw located?

Mark J Singer, MD, Lcsw is located at 605 Twinridge Ln, Richmond, VA 23235. The listed phone number is (804) 330-0816.

What is Mark J Singer, MD, Lcsw's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Mark J Singer, MD, Lcsw was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.