NPPES file of Aug 9, 2026

Heidi J. Frederick, LGSW

Social Worker · Washington, DC

Heidi J. Frederick, LGSW is a social worker with a practice address in Washington, District of Columbia, and NPI 1023160306, issued on Jan 17, 2007. Check the license (District of Columbia LG50078492, as entered in NPPES) with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023160306
Name
Heidi J. Frederick
Credential
LGSW
Primary taxonomy
Social Worker 104100000X
License number
LG50078492 DC
Self-reported in NPPES; status is on the state search
Practice location
1012 14TH St NW, Washington, DC 20005
Phone
(202) 654-0857
Enumerated
Jan 17, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1012 14TH St NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Baker, LICSWClinical Social Worker1134240351
  2. William Boston, LPCMental Health Counselor1154485886
  3. Natalie Boyd, LCSWMental Health Counselor1043487598
  4. Catherine Canfield, LCSWClinical Social Worker1598950156
  5. Jane Clark-Ashford, M.A., LPC, NCCProfessional Counselor1720144207
  6. Tiffanie Coates, LPCCounselor1639624265

Verify Heidi J. Frederick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license LG50078492
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Heidi J. Frederick among 700 social worker records in District of Columbia

Heidi J. Frederick, LGSW is one of 700 social worker records with a practice address in District of Columbia. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 3% of them.

  • NPI issued2007 · 3% of these records are older, 95% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2007 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

691 social worker records list a practice address in Washington

They are 691 of the 45,857 NPPES records with a practice address in Washington, and 700 social worker records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 social worker records with the nearest ZIP codes

  1. Shelby Allen, LGSWWashington, DC 200051700617297
  2. Julie Corwin, LGSW, LMSWWashington, DC 200051134964620
  3. Charisse Ferguson, LSW, LGSW, LMSWWashington, DC 200051861820953
  4. Alleesha Kirk, LICSWWashington, DC 200051063546638
  5. Lisa Larrabee, LGSWWashington, DC 200051740342948
  6. Toni LawrimoreWashington, DC 200051538827258
  7. Sarah LawsonWashington, DC 200051871129130
  8. Ellen McSweeney, MSW, LGSWWashington, DC 200051295392769

Common questions

What is Heidi J. Frederick, LGSW's NPI number?

Heidi J. Frederick, LGSW's National Provider Identifier (NPI) is 1023160306, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heidi J. Frederick, LGSW located?

The NPPES record lists a practice address at 1012 14TH St NW, Washington, DC, 20005. Phone: (202) 654-0857. Providers update this record themselves, so call before visiting.

How can I verify Heidi J. Frederick, LGSW's license?

NPPES lists District of Columbia license number LG50078492, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.