John Sykes, CSC-AD
Addiction (Substance Use Disorder) Counselor · Centreville, MD
John Sykes, CSC-AD is an addiction (substance use disorder) counselor with a practice address in Centreville, Maryland, and NPI 1831370790, issued on Nov 20, 2007. Check the license (Maryland SC0358, 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
- John Sykes
- Credential
- CSC-AD
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- SC0358 MD
Self-reported in NPPES; status is on the state search - Practice location
- 205 N Liberty St, Centreville, MD 21617
- Phone
- (410) 758-1306
- Enumerated
- Nov 20, 2007
- Entity
- Type 1 · individual
Also registered at 205 N Liberty St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth BohakerAddiction (Substance Use Disorder) Counselor1932408242
- Andrea Cheezum, ALCOHOL/DRUG TRAINEEAddiction (Substance Use Disorder) Counselor1518129147
- Ronald Douglas, CSC-AD, CCDCAddiction (Substance Use Disorder) Counselor1184752164
- Gary Fry, LCA066Addiction (Substance Use Disorder) Counselor1174651251
- Mary Harrison, TRAINEE-ADAddiction (Substance Use Disorder) Counselor1477681443
- Kathleen Ryan, LCADCAddiction (Substance Use Disorder) Counselor1497883466
Verify John Sykes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license SC0358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
17 addiction (substance use disorder) counselor records list a Centreville practice address
They are 17 of the 156 NPPES records with a Centreville practice address, and 1,369 addiction (substance use disorder) counselor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in Centreville → All 1,369 in Maryland → Every provider in Centreville →
Other addiction (substance use disorder) counselor records in Maryland
- Felicia AbassBelcamp, MD1184242083
- Amir Abdullah, LCPCRockville, MD1659533503
- Kim Abe, CAC-ADCumberland, MD1083153050
- Angela AbramsGwynn Oak, MD1124708763
- Catherine Abrams, CAC-ADSalisbury, MD1053913269
- Taylor AbronBaltimore, MD1982447330
- Chuck Abuadinma, MA. ADT.Baltimore, MD1508483520
- Tamika Adams, BSW, CT-ADSalisbury, MD1649997156
- Stephen AkinnolaBaltimore, MD1891269296
- Bayo AkintimehinTemple Hills, MD1417805342
Common questions
What is John Sykes, CSC-AD's NPI number?
John Sykes, CSC-AD's National Provider Identifier (NPI) is 1831370790, issued on Nov 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Sykes, CSC-AD located?
The NPPES record lists a practice address at 205 N Liberty St, Centreville, MD, 21617. Phone: (410) 758-1306. Providers update this record themselves, so call before visiting.
How can I verify John Sykes, CSC-AD's license?
NPPES lists Maryland license number SC0358, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
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.