Registry data as of Aug 27, 2026

Tiffany Demarco, MS

Genetic Counselor (M.S.) · Washington, DC

Tiffany Demarco, MS is a genetic counselor (m.s.) with a practice address in Washington, District of Columbia, and NPI 1932422292, issued on Mar 1, 2010. 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1932422292
Name
Tiffany Demarco
Credential
MS
Primary taxonomy
Genetic Counselor (M.S.) 170300000X
Practice location
3300 Whitehaven St NW, Washington, DC 20007
Phone
(202) 687-2716
Enumerated
Mar 1, 2010
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 3300 Whitehaven St NW

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

  1. Morgan Butrick, SCMGenetic Counselor (M.S.)1124322938
  2. Gillian Hooker, PH.D., SC.M.Genetic Counselor (M.S.)1003054701
  3. Rachel Nusbaum, M.S., C.G.C.Genetic Counselor (M.S.)1780660373
  4. Beth Peshkin, MSGenetic Counselor (M.S.)1194047431

Verify Tiffany Demarco 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

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

Genetic Counselor (M.S.) providers in District of Columbia

There are 56 genetic counselor (m.s.) records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 56 in District of Columbia → Every provider in Washington →

Other genetic counselor (m.s.) records in District of Columbia

  1. Joanne AdelbergWashington, DC1821748633
  2. Aime AgatherWashington, DC1578935813
  3. Erin Andrew, BA, MSWashington, DC1750818167
  4. Tara Biagi, M.S.Washington, DC1568851376
  5. Cecilia BouskaWashington, DC1790562312
  6. Margaret Bradbury, M.S.Washington, DC1801963566
  7. Morgan Butrick, SCMWashington, DC1124322938
  8. Sophie Byers, GCWashington, DC1568304459
  9. Amanda Chamberlain, MSWashington, DC1144946583
  10. Heather Coldebella, M.S.Washington, DC1205079050

Common questions

What is Tiffany Demarco, MS's NPI number?

Tiffany Demarco, MS's National Provider Identifier (NPI) is 1932422292, issued on Mar 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Demarco, MS located?

The NPPES record lists a practice address at 3300 Whitehaven St NW, Washington, DC, 20007. Phone: (202) 687-2716. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Demarco, MS'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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.