Malcolm Wells Mackenzie, MD - Medicare Obstetrics & Gynecology in Lexington, MA

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Malcolm Wells Mackenzie, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Lexington, Massachusetts. His current practice location is 57 Bedford St, Lexington, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (603) 847-3404.

Malcolm Wells Mackenzie is licensed to practice in New Hampshire (license number 9604) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1578650610.

Contact Information

Malcolm Wells Mackenzie, MD
57 Bedford St,
Lexington, MA 02420-4500
(603) 847-3404
(617) 499-5579

Map and Direction




Physician's Profile

Full NameMalcolm Wells Mackenzie
GenderMale
SpecialityObstetrics & Gynecology
Location57 Bedford St, Lexington, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1578650610
  • Provider Enumeration Date: 10/09/2006
  • Last Update Date: 04/28/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 2062430895
  • Enrollment ID: I20090623000618

Medical Identifiers

Medical identifiers for Malcolm Wells Mackenzie such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578650610NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 9604 (New Hampshire)Primary

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. Malcolm Wells Mackenzie allows following entities to bill medicare on his behalf.
Entity NameHarvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518908136
PECOS PAC ID: 4486567104
Enrollment ID: O20031204000710
Entity NameMt Auburn Professional Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992750996
PECOS PAC ID: 6103725031
Enrollment ID: O20040527001374
Entity NameBeth Israel Deaconess Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548202641
PECOS PAC ID: 8123936119
Enrollment ID: O20041001000827

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. Malcolm Wells Mackenzie 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
Malcolm Wells Mackenzie, MD
330 Mount Auburn Street, Mount Auburn Hospital,
Cambridge, MA 02138

Ph: (603) 847-3404		Malcolm Wells Mackenzie, MD
57 Bedford St,
Lexington, MA 02420-4500

Ph: (603) 847-3404

Reviews and Comments


Obstetrics & Gynecology Doctors in Lexington, MA

Dr. Marc Howard Kobelin, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 482 Bedford St, Lexington, MA 02420
Phone: 781-672-5155    
Dr. Cecilia King-porter, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 27 Carriage Dr, Lexington, MA 02420
Phone: 781-274-7331    
Dr. Samuel Allen Pauli, M.D,
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 450 Bedford St Ste 1000, Lexington, MA 02420
Phone: 180-085-8483    
Dr. Samuel Chow-ern Pang, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Forbes Rd, Lexington, MA 02421
Phone: 800-858-4832    
Kristen Page Wright, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Forbes Rd, Lexington, MA 02421
Phone: 781-674-1200    
Dr. Vanessa Ajemian Barss, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 9 Clematis Rd, Lexington, MA 02421
Phone: 781-861-0861    

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).

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