ELSA F RONNINGSTAM PH.D.
NPI 1891735106
Psychologist - Clinical in Belmont, MA
About Elsa F Ronningstam Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELSA F RONNINGSTAM PH.D. (NPI 1891735106) is an individual clinical provider in Belmont, Massachusetts, licensed in Massachusetts (4955) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
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
Elsa F Ronningstam Ph.d. 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 Elsa Ronningstam 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 02478 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BELMONT, MA 02478
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 Elsa Ronningstam's NPI number?
The NPI number for Elsa Ronningstam is 1891735106. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Elsa Ronningstam located?
Elsa Ronningstam practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2644.
What is Elsa Ronningstam's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Elsa Ronningstam enrolled in Medicare?
Yes. Elsa Ronningstam 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 Elsa Ronningstam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elsa Ronningstam 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 Elsa Ronningstam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Elsa Ronningstam was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Elsa F Ronningstam, PH.D. · NPI 1891735106
Clinical provider in Belmont, Massachusetts. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1891735106 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 4955 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 115 MILL ST, Belmont, MA 02478-1041
- **Phone:** (617) 855-2644 · **Fax:** (617) 489-3875
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** The Mclean Hospital Corporation (NPI 1114979580, Belmont, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891735106) · Data from the CMS NPPES public registry.