RONALD B. PENFIELD MSW
NPI 1023161064
Social Worker in East Lansing, MI
About Ronald B. Penfield Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RONALD B. PENFIELD MSW (NPI 1023161064) is an individual social worker in East Lansing, Michigan, licensed in Michigan (6801004048) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1971).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ronald B. Penfield Msw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ronald Penfield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 9 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST LANSING, MI 48823
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ronald Penfield's NPI number?
The NPI number for Ronald Penfield is 1023161064. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Ronald Penfield located?
Ronald Penfield practices at 4990 Northwind Dr Suite 240, East Lansing, MI 48823. The listed phone number is (517) 853-2992.
What is Ronald Penfield's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Ronald Penfield enrolled in Medicare?
Yes. Ronald Penfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ronald Penfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Penfield reassigns Medicare benefits to Gps Guide To Personal Solutions (Lansing, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ronald Penfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ronald Penfield accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Ronald Penfield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ronald Penfield was last updated on November 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ronald B. Penfield, MSW · NPI 1023161064
Social Worker provider in East Lansing, Michigan. Individual provider, active in the CMS NPPES registry since January 22, 2007.
## Identity
- **NPI:** 1023161064 (Entity type: Individual)
- **Enumerated:** January 22, 2007
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 6801004048 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4990 NORTHWIND DR, SUITE 240, East Lansing, MI 48823-5090
- **Phone:** (517) 853-2992 · **Fax:** (517) 853-2993
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Gps Guide To Personal Solutions (NPI 1114367380, Lansing, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1971
## Record status
- **NPPES last updated:** November 4, 2017
- **Other identifiers:** Medicare UPIN R65788; Medicare ID-Type Unspecified M77610001 (MI); Other 8008940080 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1023161064) · Data from the CMS NPPES public registry.