JOSEPH W. GROSS M.D.
NPI 1457355232
Internal Medicine - Infectious Disease in Newburyport, MA
About Joseph W. Gross M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH W. GROSS M.D. (NPI 1457355232) is an individual infectious disease provider in Newburyport, Massachusetts, licensed in Massachusetts (224290) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and maintains a secondary practice location in Burlington.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 11
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
Joseph W. Gross 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 Reassignments
2Medicare enrollment records show Joseph Gross reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Haverhill, MA 01830
- Reassigned Medicare billing, Massachusetts enrollment
- 410 clinicians in this Medicare group
Gloucester, MA 01930
- Reassigned Medicare billing, Massachusetts enrollment
- 477 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 10
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.
Northeast Hospital Corporation
Acute Care Hospitals · Beverly, MANorth Shore Medical Center -
Acute Care Hospitals · Salem, MAWinchester Hospital
Acute Care Hospitals · Winchester, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01950 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.
NEWBURYPORT, MA 01950
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 Joseph Gross's NPI number?
The NPI number for Joseph Gross is 1457355232. It was assigned to this individual provider in the NPPES registry on June 9, 2005.
Where is Joseph Gross located?
Joseph Gross practices at 21 Highland Ave Ste 5, Newburyport, MA 01950. The listed phone number is (978) 499-3810.
What is Joseph Gross's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Joseph Gross enrolled in Medicare?
Yes. Joseph Gross 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 organizations bill Medicare for Joseph Gross's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Gross reassigns Medicare benefits to 2 organizations: Beth Israel Lahey Health Primary Care, Inc. (Haverhill, MA) and Beth Israel Lahey Health Specialty Care, Inc. (Gloucester, MA). Each 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 Joseph Gross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Gross accept?
Health plans from Taro Health list Joseph Gross 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 Joseph Gross affiliated with any hospitals?
According to CMS data, Joseph Gross is affiliated with Northeast Hospital Corporation, North Shore Medical Center -, Winchester Hospital and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Joseph Gross was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.