Dr Zainab Nawab, MD - Medicare Internal Medicine in Westborough, MA

Dr Zainab Nawab, MD is a medicare enrolled "Family Medicine" physician in Westborough, Massachusetts. She graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 57 E Main St Ste 209, Westborough, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 870-1800.

Dr Zainab Nawab is licensed to practice in Massachusetts (license number 223244) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1184614646.

Contact Information

Dr Zainab Nawab, MD
57 E Main St Ste 209,
Westborough, MA 01581-1445
(508) 870-1800
(508) 366-7601

Map and Direction




Physician's Profile

Full NameDr Zainab Nawab
GenderFemale
SpecialityInternal Medicine
Experience28 Years
Location57 E Main St Ste 209, Westborough, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Zainab Nawab graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1184614646
  • Provider Enumeration Date: 10/26/2005
  • Last Update Date: 10/02/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 3971542168
  • Enrollment ID: I20050427000720

Medical Identifiers

Medical identifiers for Dr Zainab Nawab such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184614646NPI-NPPES
2101017MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 223244 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Umass Memorial Medical Center/university CampusWorcester, MAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Zainab Nawab allows following entities to bill medicare on her behalf.
Entity NameRegal Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083972806
PECOS PAC ID: 3173779642
Enrollment ID: O20120816000283

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Zainab Nawab is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Zainab Nawab, MD
57 E Main St Ste 209,
Westborough, MA 01581-1445

Ph: (508) 870-1800
Dr Zainab Nawab, MD
57 E Main St Ste 209,
Westborough, MA 01581-1445

Ph: (508) 870-1800

Reviews and Comments


Family Medicine Doctors in Westborough, MA

Erica Guenthner, MSN, APRN, FNP-BC
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Phone: 508-366-7100    Fax: 508-366-7303
John W Trudel, MD
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Phone: 508-871-0700    Fax: 508-616-4411
Dr. Victoria Pamela Peters, DO
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Daniel F. Freitas, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 24 Lyman St, Suite 300, Westborough, MA 01581
Phone: 508-366-7100    Fax: 508-366-7303
Melissa Rathmell, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    
Dr. Deborah J Kylander, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1400 Computer Dr Ste 301, Westborough, MA 01581
Phone: 617-420-5316    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.