NPPES file of Aug 9, 2026

Holly B. Slonina, LMSW-CC

Social Worker · Lewiston, ME

Holly B. Slonina, LMSW-CC is a social worker with a practice address in Lewiston, Maine, and NPI 1427688324, issued on Jan 20, 2020. Check the license (Maine MC18058, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1427688324
Name
Holly B. Slonina
Credential
LMSW-CC
Primary taxonomy
Social Worker 104100000X
License number
MC18058 ME
Self-reported in NPPES; status is on the state search
Practice location
100 Campus Ave Ste A&B, Lewiston, ME 04240
Phone
(207) 755-3434
Enumerated
Jan 20, 2020
Record last updated
Mar 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(207) 755-3474
Medicare enrollment
Enrolled (PECOS I20260304001109); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Campus Ave Ste A&B

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

  1. Lisa Allen, LCSWClinical Social Worker1306178199
  2. Jessica Alvino, LCSWClinical Social Worker1689962094
  3. Theresa Arita, LCPC-CProfessional Counselor1164944435
  4. Mikel Avoke, MSWSocial Worker1568779593
  5. Joel Burian, LCSWClinical Social Worker1114909595
  6. Jacqueline Carpentier, LMSWSocial Worker1083159552

Verify Holly B. Slonina in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license MC18058
    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 Maine 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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Bills Medicare through one group practice

  1. Kennebec Valley Mental Health CenterWaterville, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

43 social worker records list a practice address in Lewiston

They are 43 of the 1,728 NPPES records with a practice address in Lewiston, and 575 social worker records in Maine.

Other social worker records in Maine

  1. Arianna Abbott, LCSWPortland, ME1225686629
  2. Emerson Addams, LMSW-CCAugusta, ME1801717988
  3. Jaime Alexander, LMSW/CCLewiston, ME1275484578
  4. Angelica AllenAugusta, ME1801712070
  5. Lauren Allen, LMSW-CCLewiston, ME1932455532
  6. Valorie Antone, LMSW-CCLivermore Falls, ME1528730579
  7. Jennifer Appleby, LCSWWarren, ME1154794667
  8. Pamalee Ashmore, LSW-CBangor, ME1417267642
  9. Nikki Atkinson, SW-CONDITIONALSkowhegan, ME1205996873
  10. Kimberly Austin, LCSWPortland, ME1588677603

Common questions

What is Holly B. Slonina, LMSW-CC's NPI number?

Holly B. Slonina, LMSW-CC's National Provider Identifier (NPI) is 1427688324, issued on Jan 20, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Holly B. Slonina, LMSW-CC located?

The NPPES record lists a practice address at 100 Campus Ave Ste A&B, Lewiston, ME, 04240. Phone: (207) 755-3434. Providers update this record themselves, so call before visiting.

How can I verify Holly B. Slonina, LMSW-CC's license?

NPPES lists Maine license number MC18058, as entered by the provider. Search the Maine 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. Medicare files from data.cms.gov. 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.