JOAN P GERRING M.D.
NPI 1205880648
Psychiatry & Neurology - Psychiatry in Middleboro, MA
About Joan P Gerring M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOAN P GERRING M.D. (NPI 1205880648) is an individual psychiatry provider in Middleboro, Massachusetts, licensed in Maryland (D15882) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
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 (PECOS)
Joan P Gerring M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joan Gerring reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belmont, MA 02478
- Reassigned Medicare billing, Massachusetts enrollment
- 422 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02346 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MIDDLEBORO, MA 02346
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 Joan Gerring's NPI number?
The NPI number for Joan Gerring is 1205880648. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is Joan Gerring located?
Joan Gerring practices at 23 Isaac St, Middleboro, MA 02346. The listed phone number is (774) 419-1039.
What is Joan Gerring's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Joan Gerring enrolled in Medicare?
Yes. Joan Gerring is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joan Gerring's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joan Gerring reassigns Medicare benefits to The Mclean Hospital Corporation (Belmont, MA). 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 Joan Gerring's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joan Gerring accept?
Health plans from Harvard Pilgrim Health Care list Joan Gerring 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 Joan Gerring was last updated on December 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Joan P Gerring, M.D. · NPI 1205880648
Psychiatry physician in Middleboro, Massachusetts. Individual provider, active in the CMS NPPES registry since May 20, 2006.
## Identity
- **NPI:** 1205880648 (Entity type: Individual)
- **Enumerated:** May 20, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** D15882 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 23 ISAAC ST, Middleboro, MA 02346-2080
- **Phone:** (774) 419-1039
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Mclean Hospital Corporation (NPI 1114979580, Belmont, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 10, 2015
- **Other identifiers:** Medicaid 353411100 (MD); Medicare ID-Type Unspecified H897G795 (MD); Medicare UPIN B70372 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1205880648) · Data from the CMS NPPES public registry.