DIANNE E GRUNES M.D.
NPI 1912221946
Pathology - Anatomic Pathology & Clinical Pathology in Springfield, MA
About Dianne E Grunes M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNE E GRUNES M.D. (NPI 1912221946) is an individual anatomic pathology & clinical pathology provider in Springfield, Massachusetts, licensed in Massachusetts (290315) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Holyoke Medical Center, and is a graduate of Louisiana State University School Of Medicine In Shreveport (2010).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dianne E Grunes M.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 Dianne Grunes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 26 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.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holyoke Medical Center
Acute Care Hospitals · Holyoke, MABaystate Wing Hospital
Acute Care Hospitals · Palmer, MAMercy Medical Ctr
Acute Care Hospitals · Springfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01104 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.
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 Dianne Grunes's NPI number?
The NPI number for Dianne Grunes is 1912221946. It was assigned to this individual provider in the NPPES registry on March 19, 2010.
Where is Dianne Grunes located?
Dianne Grunes practices at 271 Carew St, Springfield, MA 01104. The listed phone number is (413) 748-9513.
What is Dianne Grunes's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Dianne Grunes enrolled in Medicare?
Yes. Dianne Grunes 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 Dianne Grunes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianne Grunes reassigns Medicare benefits to Saint Francis Care Medical Group, PC (Hartford, CT). 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 Dianne Grunes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dianne Grunes accept?
Health plans from Taro Health list Dianne Grunes 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.
Is Dianne Grunes affiliated with any hospitals?
According to CMS data, Dianne Grunes is affiliated with Holyoke Medical Center, Baystate Wing Hospital, Mercy Medical Ctr and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Dianne Grunes was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.