Joan Marie Penfield, LMSW ACSW
Social Worker · Okemos, MI
Joan Marie Penfield, LMSW ACSW is a social worker with a practice address in Okemos, Michigan, and NPI 1972655959, issued on Jan 18, 2007. Check the license (Michigan 6801002116, 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
- Joan Marie Penfield
- Credential
- LMSW ACSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 6801002116 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2145 University Park, Okemos, MI 48864
- Phone
- (517) 347-4181
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (517) 347-7571
- Entity
- Type 1 · individual
8 nearest social worker records → All 9,114 in Michigan → Look up another NPI →
Verify Joan Marie Penfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801002116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joan Marie Penfield among 9,114 social worker records in Michigan
Joan Marie Penfield, LMSW ACSW is one of 9,114 social worker records with a practice address in Michigan. 7% 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 8% of them.
- NPI issued2007 · 8% of these records are older, 87% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2007 · 57% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 social worker records list a practice address in Okemos
They are 49 of the 1,487 NPPES records with a practice address in Okemos, and 9,114 social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,114 in Michigan → Every provider in Okemos → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Jennifer Edsall, LMSWOkemos, MI 488641417106725
- Karen Gallagher, MSW ACSWOkemos, MI 488641619080512
- John Kroneman, MSWOkemos, MI 488641699782375
- David La Charite, LLMSW, DDSOkemos, MI 488641821172784
- Rebecca Lopez, LMSWOkemos, MI 488641891751921
- Mary Mareck, LMSWOkemos, MI 488641578638631
- Gary Pollitz, LMSWOkemos, MI 488641447366398
- Kay Pratt, LMSWOkemos, MI 488641932116563
Common questions
What is Joan Marie Penfield, LMSW ACSW's NPI number?
Joan Marie Penfield, LMSW ACSW's National Provider Identifier (NPI) is 1972655959, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joan Marie Penfield, LMSW ACSW located?
The NPPES record lists a practice address at 2145 University Park, Okemos, MI, 48864. Phone: (517) 347-4181. Providers update this record themselves, so call before visiting.
How can I verify Joan Marie Penfield, LMSW ACSW's license?
NPPES lists Michigan license number 6801002116, 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), 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.