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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. ERNEST HARGREAVES LATHAM PSY.D.
NPI 1376871681
Psychologist - Clinical in Washington, DC

Active since November 24, 2009
1350 CONNECTICUT AVE NW, SUITE 602, WASHINGTON, DC 20036(202) 285-4606 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ernest Hargreaves Latham Psy.d. NPPES

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

DR. ERNEST HARGREAVES LATHAM PSY.D. (NPI 1376871681) is an individual clinical provider in Washington, District Of Columbia, licensed in District Of Columbia (PSY1000557) and active in the NPI registry since November 2009.

NPPES Registry Identity

NPI1376871681
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. ERNEST HARGREAVES LATHAMCredential: PSY.D.
Location Address1350 CONNECTICUT AVE NW, SUITE 602Washington, DC 20036-1722
Mailing Address1350 Connecticut Ave Nw, Suite 602Washington, DC 20036-1722 · (202) 285-4606
Phone(202) 285-4606
Sole ProprietorYes
Enumeration DateNovember 24, 2009
Last NPPES UpdateJuly 5, 2026
✔ NPI 1376871681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in DC · PSY1000557
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1350 CONNECTICUT AVE NW, Washington, DC 20036
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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.

DR. STACIE AIN PH.D.
Psychologist (Counseling)
1350 CONNECTICUT AVE NW, #308
WASHINGTON, DC 20036
District of Columbia (202) 573-8389
DR. ERIN PETERSON-FFLEMING PH.D.
Psychologist (Clinical)
1350 CONNECTICUT AVE NW, SUITE 602
WASHINGTON, DC 20036
District of Columbia (703) 298-7581
MS. ISABEL F SCHARFF MSW
Social Worker (Clinical)
1350 CONNECTICUT AVE NW, SUITE 801
WASHINGTON, DC 20036
District of Columbia (202) 362-7270
DR. MARC PETER STANARD D.D.S.
Dentist (Periodontics)
1350 CONNECTICUT AVE NW, #305
WASHINGTON, DC 20036
District of Columbia (202) 887-5441
DR. OLGA FONSECA D.D.S.
Dentist (Endodontics)
1350 CONNECTICUT AVE NW, SUITE 305
WASHINGTON, DC 20036
District of Columbia (202) 887-5442
DR. MARILYN MILLER SCHWARTZ PH.D.
Psychologist
1350 CONNECTICUT AVE NW
WASHINGTON, DC 20036
District of Columbia (202) 331-3319
STEPHANIE E HARRIS PA-C
Physician Assistant (Medical)
1350 CONNECTICUT AVE NW, SUITE 1250
WASHINGTON, DC 20036
District of Columbia (202) 627-1901
DR. KAREN BETH APSEL PH.D.
Psychologist (Clinical)
1350 CONNECTICUT AVE NW, #602
WASHINGTON, DC 20036
District of Columbia (202) 969-2276

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 Ernest Latham's NPI number?

The NPI number for Ernest Latham is 1376871681. It was assigned to this individual provider in the NPPES registry on November 24, 2009.

Where is Ernest Latham located?

Ernest Latham practices at 1350 Connecticut Ave NW Suite 602, Washington, DC 20036. The listed phone number is (202) 285-4606.

What is Ernest Latham's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Ernest Latham was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 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.