BRUCE AUGUST GREENBERG MD
NPI 1528034220
Internal Medicine - Critical Care Medicine in Worcester, MA
About Bruce August Greenberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRUCE AUGUST GREENBERG MD (NPI 1528034220) is an individual critical care medicine provider in Worcester, Massachusetts, licensed in Massachusetts (235533) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Tufts University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Bruce August Greenberg 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.
Areas of Expertise CMS Part B claims 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Bruce Greenberg's NPI number?
The NPI number for Bruce Greenberg is 1528034220. It was assigned to this individual provider in the NPPES registry on February 23, 2006.
Where is Bruce Greenberg located?
Bruce Greenberg practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1975.
What is Bruce Greenberg's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Bruce Greenberg enrolled in Medicare?
Yes. Bruce Greenberg 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.
What insurance does Bruce Greenberg accept?
Health plans from Anthem Blue Cross and Blue Shield list Bruce Greenberg 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 Bruce Greenberg affiliated with any hospitals?
According to CMS data, Bruce Greenberg is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Bruce Greenberg was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Bruce August Greenberg, MD · NPI 1528034220
Critical Care Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since February 23, 2006.
## Identity
- **NPI:** 1528034220 (Entity type: Individual)
- **Enumerated:** February 23, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 235533 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, Worcester, MA 01655-0002
- **Phone:** (508) 334-1975
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Tufts University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** June 2, 2026
- **Other identifiers:** Medicaid 110079740A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1528034220) · Data from the CMS NPPES public registry.