DR. MARCUS STEVEN ALPERT MD
NPI 1205327194
Internal Medicine - Pulmonary Disease in Worcester, MA
About Dr. Marcus Steven Alpert Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARCUS STEVEN ALPERT MD (NPI 1205327194) is an individual pulmonary disease provider in Worcester, Massachusetts, licensed in Massachusetts (1020610) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains a secondary practice location in Worcester.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Marcus Steven Alpert 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 Marcus Alpert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAUmass Memorial Health - Harrington Hospital
Acute Care Hospitals · Southbridge, MAUmass 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.
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 Marcus Alpert's NPI number?
The NPI number for Marcus Alpert is 1205327194. It was assigned to this individual provider in the NPPES registry on May 25, 2018.
Where is Marcus Alpert located?
Marcus Alpert practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1975.
What is Marcus Alpert's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Marcus Alpert enrolled in Medicare?
Yes. Marcus Alpert 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 Marcus Alpert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Alpert reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, 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 Marcus Alpert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcus Alpert accept?
Health plans from Taro Health list Marcus Alpert 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 Marcus Alpert affiliated with any hospitals?
According to CMS data, Marcus Alpert is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital and Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Marcus Alpert was last updated on August 6, 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.
# Dr. Marcus Steven Alpert, MD · NPI 1205327194
Pulmonary Disease physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since May 25, 2018.
## Identity
- **NPI:** 1205327194 (Entity type: Individual)
- **Enumerated:** May 25, 2018
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 1020610 (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
- **Bills Medicare through:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2018
## Record status
- **NPPES last updated:** August 6, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1205327194) · Data from the CMS NPPES public registry.