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DR. BENNETT TOWNSEND SHAMSAI M.D., M.P.H
NPI 1942209804
Emergency Medicine in Lynn, MA

Active since July 21, 2005PECOS Enrolled
500 LYNNFIELD ST, EMERGENCY ROOM, LYNN, MA 01904(781) 477-3455 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Bennett Townsend Shamsai M.d., M.p.h NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BENNETT TOWNSEND SHAMSAI M.D., M.P.H (NPI 1942209804) is an individual emergency medicine provider in Lynn, Massachusetts, licensed in Massachusetts (219926) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942209804
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BENNETT TOWNSEND SHAMSAICredential: M.D., M.P.H
Location Address500 LYNNFIELD ST, EMERGENCY ROOMLynn, MA 01904-1424
Mailing Address19 Rock Brook WayBoxford, MA 01921-1214 · (978) 769-5050
Phone(781) 477-3455
Sole ProprietorNo
Enumeration DateJuly 21, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1942209804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 219926
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
500 LYNNFIELD ST, Lynn, MA 01904
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Bennett Townsend Shamsai M.d., M.p.h is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Bennett Shamsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mass General Brigham Medical Group Northern Massachusetts Inc
3.8 mi
Emergency Medicine
81 HIGHLAND AVE
Salem, MA 01970
  • Reassigned Medicare billing, Massachusetts enrollment
  • 994 clinicians in this Medicare group
NPI 1588606123 (978) 354-4173

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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
415 services399 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
74 services74 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
58 services56 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MISS SHERYL A. BURNS ACNP, PNP
Nurse Practitioner (Critical Care Medicine)
500 LYNNFIELD ST, PULMONARY PHYSICIANS, P.C.
LYNN, MA 01904
Essex County (781) 595-3366
MR. RICHARD ALAN HOLLETT
Peer Specialist
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 581-9200
SHARDA A JAIN M.D.
General Practice
500 LYNNFIELD ST, PULMONARY PHYSICIANS
LYNN, MA 01904
Essex County (781) 595-3366
MRS. MARY J BUCKO P.T.A.
Physical Therapy Assistant
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 477-3033
MRS. KIMBERLY JOY SANCHEZ PT
Physical Therapist
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 477-3033
PULMONARY PHYSICIANS
Internal Medicine (Pulmonary Disease)
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 595-3366
MRS. DENISE MARIE ANDERSON PT
General Acute Care Hospital
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 592-2000
MRS. MARY NJONJO NP-C
Nurse Practitioner (Adult Health)
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 477-3225

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 Bennett Shamsai's NPI number?

The NPI number for Bennett Shamsai is 1942209804. It was assigned to this individual provider in the NPPES registry on July 21, 2005.

Where is Bennett Shamsai located?

Bennett Shamsai practices at 500 Lynnfield St Emergency Room, Lynn, MA 01904. The listed phone number is (781) 477-3455.

What is Bennett Shamsai's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Bennett Shamsai enrolled in Medicare?

Yes. Bennett Shamsai is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Bennett Shamsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bennett Shamsai reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, 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 Bennett Shamsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Bennett Shamsai was last updated on July 13, 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.