DR. JACOB GILBERT GRUBER MD
NPI 1275108375
Emergency Medicine in Milford, MA
About Dr. Jacob Gilbert Gruber Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACOB GILBERT GRUBER MD (NPI 1275108375) is an individual emergency medicine provider in Milford, Massachusetts, licensed in Massachusetts (1022414) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Sturdy Memorial Hospital, and is a graduate of Boston University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Jacob Gilbert Gruber Md 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 Jacob Gruber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milford, MA 01757
- Reassigned Medicare billing, Massachusetts enrollment
- 37 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sturdy Memorial Hospital
Acute Care Hospitals · Attleboro, MAMilford Regional Medical Center
Acute Care Hospitals · Milford, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01757 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.
MILFORD, MA 01757
MILFORD, MA 01757
MILFORD, MA 01757
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 Jacob Gruber's NPI number?
The NPI number for Jacob Gruber is 1275108375. It was assigned to this individual provider in the NPPES registry on May 21, 2021.
Where is Jacob Gruber located?
Jacob Gruber practices at 14 Prospect St, Milford, MA 01757. The listed phone number is (508) 422-2240.
What is Jacob Gruber's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jacob Gruber enrolled in Medicare?
Yes. Jacob Gruber 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 Jacob Gruber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Gruber reassigns Medicare benefits to Orion Emergency Services, Inc. (Milford, 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 Jacob Gruber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jacob Gruber accept?
Health plans from WellSense Health Plan list Jacob Gruber 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 Jacob Gruber affiliated with any hospitals?
According to CMS data, Jacob Gruber is affiliated with Sturdy Memorial Hospital and Milford Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Jacob Gruber was last updated on June 30, 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.
# Dr. Jacob Gilbert Gruber, MD · NPI 1275108375
Emergency Medicine physician in Milford, Massachusetts. Individual provider, active in the CMS NPPES registry since May 21, 2021.
## Identity
- **NPI:** 1275108375 (Entity type: Individual)
- **Enumerated:** May 21, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1022414 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 14 PROSPECT ST, Milford, MA 01757-3003
- **Phone:** (508) 422-2240
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Orion Emergency Services, Inc. (NPI 1588728240, Milford, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** June 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275108375) · Data from the CMS NPPES public registry.