NPPES file of Aug 9, 2026

Mattie Costill, LPCMH

Professional Counselor · Lewes, DE

Mattie Costill, LPCMH is a professional counselor with a practice address in Lewes, Delaware, and NPI 1346690112, issued on Jun 13, 2016. Check the license (Delaware PC-0000714, as entered in NPPES) with the Delaware 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
1346690112
Name
Mattie Costill
Credential
LPCMH
Primary taxonomy
Professional Counselor 101YP2500X
License number
PC-0000714 DE
Self-reported in NPPES; status is on the state search
Practice location
17021 Old Orchard RD, Lewes, DE 19958
Phone
(302) 703-6332
Enumerated
Jun 13, 2016
Record last updated
Jun 13, 2016 (not updated in 10 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 17021 Old Orchard RD

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

  1. Rosemary Beauregard, M.A.Mental Health Counselor1942776026
  2. Andrew Collins, DPMPodiatrist1205923737
  3. Natalie Engh, LPCMHProfessional Counselor1437505609
  4. Nicole Luther, MA, ATR-BC, LPATArt Therapist1376933101
  5. Alisha Melesky, MSWClinical Social Worker1275935660
  6. Michael Shanefelter, MSWMental Health Counselor1295209104

Verify Mattie Costill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license PC-0000714
    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 Delaware license search

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13 professional counselor records list a practice address in Lewes

They are 13 of the 1,696 NPPES records with a practice address in Lewes, and 278 professional counselor records in Delaware. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other professional counselor records in Delaware

  1. Karen Abato, LPCFrankford, DE1164658456
  2. Jason Abernathey, LPCMHDover, DE1548781263
  3. Shayne Ahmad, LPCMHMiddletown, DE1740813047
  4. Russell Allard, MARehoboth Beach, DE1134555477
  5. Ahjanay Amos, MANew Castle, DE1801637665
  6. Edith Anenih, L.P.C.New Castle, DE1861897696
  7. Jean Armstrong, LPCMH, NCCNewark, DE1205142437
  8. Holly Aschendorf, LPCMH, NCCNewark, DE1467922690
  9. Virginia Asher, LPCMH, NCCMiddletown, DE1255696621
  10. Jennifer August, MCAT, ATR-BCLewes, DE1427505619

Common questions

What is Mattie Costill, LPCMH's NPI number?

Mattie Costill, LPCMH's National Provider Identifier (NPI) is 1346690112, issued on Jun 13, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mattie Costill, LPCMH located?

The NPPES record lists a practice address at 17021 Old Orchard RD, Lewes, DE, 19958. Phone: (302) 703-6332. Providers update this record themselves, so call before visiting.

How can I verify Mattie Costill, LPCMH's license?

NPPES lists Delaware license number PC-0000714, as entered by the provider. Search the Delaware 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.