BENJAMIN D. HAMAR MD
NPI 1003897877
Obstetrics & Gynecology - Maternal & Fetal Medicine in Worcester, MA
About Benjamin D. Hamar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN D. HAMAR MD (NPI 1003897877) is an individual maternal & fetal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (227040) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains a secondary practice location in Brighton.
NPPES Registry Identity
Specialties & Licenses
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Secondary Practice Location 1
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
Benjamin D. Hamar 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.
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 01605 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 Benjamin Hamar's NPI number?
The NPI number for Benjamin Hamar is 1003897877. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is Benjamin Hamar located?
Benjamin Hamar practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-0550.
What is Benjamin Hamar's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Benjamin Hamar enrolled in Medicare?
Yes. Benjamin Hamar 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 Benjamin Hamar accept?
Health plans from Anthem Blue Cross and Blue Shield list Benjamin Hamar 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 Benjamin Hamar affiliated with any hospitals?
According to CMS data, Benjamin Hamar is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Benjamin Hamar was last updated on March 6, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
