Wayne Dennis O'Brien, LCSW-C
Clinical Social Worker · Silver Spring, MD
Wayne Dennis O'Brien, LCSW-C is a clinical social worker with a practice address in Silver Spring, Maryland, and NPI 1154454114, issued on Mar 13, 2007. Check the license (Maryland 05877, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Wayne Dennis O'Brien
- Credential
- LCSW-C
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 05877 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8811 Colesville RD, Silver Spring, MD 20910
- Phone
- (301) 608-3764
- Enumerated
- Mar 13, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120224000332); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,007 in Maryland → Look up another NPI →
Also registered at 8811 Colesville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelli Cronin, LCSW-CClinical Social Worker1932641024
- Donna Firer, LCSW-CClinical Social Worker1710028014
- Anne Geronimo, LCMFTMarriage & Family Therapist1699981258
- Selamawit Hailu, PHARM.D.Pharmacist1053510875
- Carol Heil, LCSW-CClinical Social Worker1316069784
- Walter Knauff, LGSWSocial Worker1205070141
Verify Wayne Dennis O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 05877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Wayne Dennis O'Brien among 9,007 clinical social worker records in Maryland
Wayne Dennis O'Brien, LCSW-C is one of 9,007 clinical social worker records with a practice address in Maryland. 11% 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 2007, is newer than 12% of them.
- NPI issued2007 · 12% of these records are older, 77% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1980 · median 2006 among the 1,685 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
412 clinical social worker records list a practice address in Silver Spring
They are 412 of the 6,531 NPPES records with a practice address in Silver Spring, and 9,007 clinical social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,007 in Maryland → Every provider in Silver Spring → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- David Blakemore, LCSW-CSilver Spring, MD 209101851313951
- Michole Bledzki, LCSW-CSilver Spring, MD 209101033151055
- Todd Cesar, LMSW-CLINICALSilver Spring, MD 209101821087818
- Marie ChoppinSilver Spring, MD 209101326083353
- Kelly Cregan, LCSW-CSilver Spring, MD 209101801993498
- Leslie Hilleary, LCSW-CSilver Spring, MD 209101124101837
- Pamela Holden, LCSW-CSilver Spring, MD 209101427096015
- Joel Kanter, M.S.W.Silver Spring, MD 209101144317967
Common questions
What is Wayne Dennis O'Brien, LCSW-C's NPI number?
Wayne Dennis O'Brien, LCSW-C's National Provider Identifier (NPI) is 1154454114, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wayne Dennis O'Brien, LCSW-C located?
The NPPES record lists a practice address at 8811 Colesville RD, Silver Spring, MD, 20910. Phone: (301) 608-3764. Providers update this record themselves, so call before visiting.
How can I verify Wayne Dennis O'Brien, LCSW-C's license?
NPPES lists Maryland license number 05877, 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. 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.