Mark Halvorsen
Clinical Social Worker · Saint Ignace, MI
Mark Halvorsen is a clinical social worker with a practice address in Saint Ignace, Michigan, and NPI 1730469008, issued on Aug 18, 2011. Check the license (Michigan 6801058066, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Halvorsen
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6801058066 MI
Self-reported in NPPES; status is on the state search - Practice location
- 114 W Elliott St, Saint Ignace, MI 49781
- Phone
- (906) 643-8616
- Enumerated
- Aug 18, 2011
- Entity
- Type 1 · individual
Also registered at 114 W Elliott St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ariel ClarkBehavior Technician1477243491
- Lindsey Cronin, LLPCCounselor1922490176
- Debra Dobbs, LPCProfessional Counselor1134458029
- Holly EngleClinical Social Worker1659821775
- Courtney GrantClinical Social Worker1275771065
- Theresa HarrisCommunity Health Registered Nurse1073133526
Verify Mark Halvorsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801058066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
12 clinical social worker records list a practice address in Saint Ignace
They are 12 of the 109 NPPES records with a practice address in Saint Ignace, and 17,644 clinical social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12 in Saint Ignace → All 17,644 in Michigan → Every provider in Saint Ignace →
Other clinical social worker records in Michigan
- Susan Aalsburg, M.S.W.Belmont, MI1962688630
- Pamela Aalto, LMSWEscanaba, MI1518271162
- Layla AbadaNovi, MI1982195608
- Gabriella AbaloAnn Arbor, MI1851983068
- Farwa AbbasDearborn, MI1285109694
- Meisaa Abbas, MA, LLMSWNovi, MI1871254672
- Jaclyn Abbate, LMSWGrand Rapids, MI1144678210
- Jeffrey AbbayaSterling Heights, MI1144071341
- Margaret Abbenante, LMSW,ACSWSaginaw, MI1255367967
- Kristen Abbo, LMSWCommerce Twp, MI1932947546
Common questions
What is Mark Halvorsen's NPI number?
Mark Halvorsen's National Provider Identifier (NPI) is 1730469008, issued on Aug 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mark Halvorsen located?
The NPPES record lists a practice address at 114 W Elliott St, Saint Ignace, MI, 49781. Phone: (906) 643-8616. Providers update this record themselves, so call before visiting.
How can I verify Mark Halvorsen's license?
NPPES lists Michigan license number 6801058066, as entered by the provider. Search the Michigan 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.
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) 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 27, 2026.