NPPES file of Aug 9, 2026

Mark Davis

Counselor · Washington, DC

Mark Davis is a counselor with a practice address in Washington, District of Columbia, and NPI 1609266048, issued on Jan 23, 2015. Check the license 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
1609266048
Name
Mark Davis
Primary taxonomy
Counselor 101Y00000X
Practice location
3000 Pennsylvania Ave SE, Washington, DC 20020
Phone
(202) 581-0490
Enumerated
Jan 23, 2015
Record last updated
Jan 23, 2015 (not updated in 11 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 3000 Pennsylvania Ave SE

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

  1. Armelle Akele NtougouMental Health Counselor1235832254
  2. D. R. BacifeCounselor1689063141
  3. Mary Battle-WalkerCase Manager/Care Coordinator1841999075
  4. Naomi BeasonCounselor1053190702
  5. Erica CrewsMental Health Counselor1205539186
  6. Walter GeorgeMental Health Counselor1184029480

Verify Mark Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck 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

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Mark Davis among 198 counselor records in District of Columbia

Mark Davis is one of 198 counselor records with a practice address in District of Columbia. 2% 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 2015, is newer than 18% of them.

  • NPI issued2015 · 18% of these records are older, 79% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2015 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X 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).

Counselor providers in District of Columbia

There are 198 counselor records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 counselor records with the nearest ZIP codes

  1. D. R. BacifeWashington, DC 200201689063141
  2. Eugena Beard, CACIIWashington, DC 200201902377997
  3. Mayola BoothWashington, DC 200201669502332
  4. Garrison DuggerWashington, DC 200201952909400
  5. Allison Greene, LPCWashington, DC 200201407010366
  6. Barby Greene, LPCWashington, DC 200201326311028
  7. Shana Latham, LPC PRC13693Washington, DC 200201790295343
  8. Joann Luster, LGSWWashington, DC 200201750415311

Common questions

What is Mark Davis's NPI number?

Mark Davis's National Provider Identifier (NPI) is 1609266048, issued on Jan 23, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mark Davis located?

The NPPES record lists a practice address at 3000 Pennsylvania Ave SE, Washington, DC, 20020. Phone: (202) 581-0490. Providers update this record themselves, so call before visiting.

How can I verify Mark Davis's license?

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.