Dr Alan Stewart Penzias, MD - Medicare Obstetrics & Gynecology in Waltham, MA

Dr Alan Stewart Penzias, MD is a medicare enrolled "Obstetrics & Gynecology - Reproductive Endocrinology" physician in Waltham, Massachusetts. His current practice location is 130 2nd Ave, Boston Ivf - The Waltham Center, Waltham, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 434-6500.

Dr Alan Stewart Penzias is licensed to practice in Massachusetts (license number 58565) 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 1497701866.

Contact Information

Dr Alan Stewart Penzias, MD
130 2nd Ave, Boston Ivf - The Waltham Center,
Waltham, MA 02451
(781) 434-6500
(781) 434-6501

Map and Direction




Physician's Profile

Full NameDr Alan Stewart Penzias
GenderMale
SpecialityObstetrics & Gynecology - Reproductive Endocrinology
Location130 2nd Ave, Waltham, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1497701866
  • Provider Enumeration Date: 05/26/2006
  • Last Update Date: 05/22/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9335381987
  • Enrollment ID: I20130809000400

Medical Identifiers

Medical identifiers for Dr Alan Stewart Penzias such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497701866NPI-NPPES
3095011MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology 272983 (New York)Secondary
207VG0400XObstetrics & Gynecology - Gynecology 58565 (Massachusetts)Secondary
207VG0400XObstetrics & Gynecology - Gynecology 015833 (Maine)Secondary
207VG0400XObstetrics & Gynecology - Gynecology MD11056 (Rhode Island)Secondary
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology 58565 (Massachusetts)Primary
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology 015833 (Maine)Secondary
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology MD11056 (Rhode Island)Secondary

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 Alan Stewart Penzias 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

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 Alan Stewart Penzias 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 Alan Stewart Penzias, MD
130 2nd Ave, Boston Ivf - The Waltham Center,
Waltham, MA 02451-1100

Ph: (781) 434-6500
Dr Alan Stewart Penzias, MD
130 2nd Ave, Boston Ivf - The Waltham Center,
Waltham, MA 02451

Ph: (781) 434-6500

Reviews and Comments


Obstetrics & Gynecology Doctors in Waltham, MA

Dr. Carey Michele York Best, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 40 2nd Ave, Ste 400, Waltham, MA 02451
Phone: 781-697-2000    Fax: 781-697-2010
Dr. Merle Jay Berger, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 130 2nd Ave, Boston Ivf - The Waltham Center, Waltham, MA 02451
Phone: 781-434-6500    Fax: 781-434-6501
Dr. Maureen French, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 52 2nd Ave, Waltham, MA 02451
Phone: 781-487-3860    
Sara Elizabeth Arian, MD, MSC
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 130 Second Ave, Waltham, MA 02451
Phone: 714-656-6877    
Dr. Sudha G Mehta, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 20 Hope Ave, #309, Waltham, MA 02453
Phone: 781-891-8800    Fax: 781-899-7234
Dr. Rita M. Sneeringer, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 130 2nd Ave, Boston Ivf - The Waltham Center, Waltham, MA 02451
Phone: 781-434-6500    Fax: 781-434-6501

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.