Nicole Onolfi, LMSW
Social Worker · Columbia, MD
Nicole Onolfi, LMSW is a social worker with a practice address in Columbia, Maryland, and NPI 1942898648, issued on Jan 7, 2021. Check the license (Maryland 21799, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicole Onolfi
- Credential
- LMSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 21799 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9030 Route 108 Ste A, Columbia, MD 21045
- Phone
- (410) 740-1901
- Enumerated
- Jan 7, 2021
- Record last updated
- Jan 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230210001090); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest social worker records → All 4,073 in Maryland → Look up another NPI →
Also registered at 9030 Route 108 Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachel Mencher, LCSW-CClinical Social Worker1811373509
- Andreona Price, LCSWSocial Worker1235702085
- Leslie SegevClinical Social Worker1184212656
- Diana Siwek, LCSWClinical Social Worker1578831830
- Gia SolesClinical Social Worker1477485936
Verify Nicole Onolfi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 21799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Way Station IncColumbia, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicole Onolfi among 4,073 social worker records in Maryland
Nicole Onolfi, LMSW is one of 4,073 social worker records with a practice address in Maryland. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 45% of them.
- NPI issued2021 · 45% of these records are older, 45% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated2016 · median 2017 among the 379 with a school on file
- Record last updated2021 · 42% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
127 social worker records list a practice address in Columbia
They are 127 of the 6,690 NPPES records with a practice address in Columbia, and 4,073 social worker records in Maryland.
All 4,073 in Maryland → Every provider in Columbia → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Erica Ardinger, LCSW-CColumbia, MD 210451275192700
- Jennifer CorinaldiColumbia, MD 210451861852626
- Shayna GreenblattColumbia, MD 210451720629256
- Naomi Haberman, LCSW-CColumbia, MD 210451841543857
- Evan Harris, LCSW-CColumbia, MD 210451669861324
- Neldina HutchinsonColumbia, MD 210451417518820
- Terri Johnson, MSW, LCSW-C, LCADCColumbia, MD 210451154647485
- Melinda Morgan, LCSWColumbia, MD 210451295070878
Common questions
What is Nicole Onolfi, LMSW's NPI number?
Nicole Onolfi, LMSW's National Provider Identifier (NPI) is 1942898648, issued on Jan 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nicole Onolfi, LMSW located?
The NPPES record lists a practice address at 9030 Route 108 Ste A, Columbia, MD, 21045. Phone: (410) 740-1901. Providers update this record themselves, so call before visiting.
How can I verify Nicole Onolfi, LMSW's license?
NPPES lists Maryland license number 21799, as entered by the provider. Search the Maryland 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.