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DR. VIVEKA R PRAKASH-ZAWISZA M.D.
NPI 1447488275
Obstetrics & Gynecology in Worcester, MA

Active since July 01, 2009PECOS EnrolledAccepts Medicare Assignment
97.02/100
CMS Quality Rating
119 BELMONT ST, WORCESTER, MA 01605(508) 334-6388(508) 334-6344 Get Directions Write a Review

NPPES record last updated: November 1, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 20, 2021, Nov 12, 2015 (2 updates tracked since 2015).

About Dr. Viveka R Prakash-zawisza M.d. NPPES

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

DR. VIVEKA R PRAKASH-ZAWISZA M.D. (NPI 1447488275) is an individual obstetrics & gynecology provider in Worcester, Massachusetts, licensed in Massachusetts (250333) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Lahey Hospital & Medical Center, Burlington, and maintains a secondary practice location in Burlington.

NPPES Registry Identity

NPI1447488275
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. VIVEKA R PRAKASH-ZAWISZACredential: M.D.
Location Address119 BELMONT STWorcester, MA 01605-2903
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 334-6388
Fax(508) 334-6344
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2008
Enumeration DateJuly 1, 2009
Last NPPES UpdateNovember 1, 20242 updates tracked since enumeration
NPPES CertifiedNovember 1, 2024
✔ NPI 1447488275 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MA · 250333
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
119 BELMONT ST, Worcester, MA 01605
Open in Google Maps ↗

Other Names 1

Former Name (1)Viveka P Zawisza

Secondary Practice Location 1

Location 141 Mall RdBurlington, MA 01805-2903 · Phone (781) 744-8000

Other Identifiers 1

Medicaid110093733AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.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. Viveka R Prakash-zawisza 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.

PECOS PAC ID3476704008
PECOS Enrollment IDI20121108000116
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 Reassignments

2

Medicare enrollment records show Viveka Prakash-zawisza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Umass Memorial Medical Group Inc
1.7 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000
Lahey Clinic, Inc.
35 mi
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
NPI 1538194980 (781) 744-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician 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.

New Patient
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

97.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.09
Promoting Interoperability100
Improvement Activities40

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.

DR. PANKAJ ANIL KSHEERSAGAR M.B.B.S.,M.D
Family Medicine
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-5571
JASON D YANG
Internal Medicine (Rheumatology)
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-5224
SANDRA BELLINI N.P.
Nurse Practitioner (Neonatal, Critical Care)
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-6470
BENJAMIN D. HAMAR MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-0550
WALTER J ZAWACKI NP
Nurse Practitioner
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-8934
CARYN SULLIVAN LCSW
Social Worker
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-1000
WAYNE WAYFU CHAN M.D.
Orthopaedic Surgery
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-9750
NICHOLAS PAICOS PA STUDENT
Physician Assistant
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-8515

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 Viveka Prakash-zawisza's NPI number?

The NPI number for Viveka Prakash-zawisza is 1447488275. It was assigned to this individual provider in the NPPES registry on July 1, 2009. The provider is also known as Viveka P Zawisza.

Where is Viveka Prakash-zawisza located?

Viveka Prakash-zawisza practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-6388.

What is Viveka Prakash-zawisza's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Viveka Prakash-zawisza enrolled in Medicare?

Yes. Viveka Prakash-zawisza 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 Viveka Prakash-zawisza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Viveka Prakash-zawisza reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Lahey Clinic, Inc. (Burlington, 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 Viveka Prakash-zawisza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Viveka Prakash-zawisza accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Viveka Prakash-zawisza 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 Viveka Prakash-zawisza affiliated with any hospitals?

According to CMS data, Viveka Prakash-zawisza is affiliated with Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Viveka Prakash-zawisza was last updated on November 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.