Mary Beth Son, MD - Medicare Pediatrics in Boston, MA

Mary Beth Son, MD is a medicare enrolled "Pediatrics - Pediatric Rheumatology" physician in Boston, Massachusetts. Her current practice location is 300 Longwood Ave, Childrens Hospital Boston, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 355-6117.

Mary Beth Son is licensed to practice in Massachusetts (license number 219881) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1972665909.

Contact Information

Mary Beth Son, MD
300 Longwood Ave, Childrens Hospital Boston,
Boston, MA 02115-5724
(617) 355-6117
Not Available

Map and Direction




Physician's Profile

Full NameMary Beth Son
GenderFemale
SpecialityPediatrics - Pediatric Rheumatology
Location300 Longwood Ave, Boston, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1972665909
  • Provider Enumeration Date: 12/15/2006
  • Last Update Date: 03/04/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 2860483377
  • Enrollment ID: I20040523000007

Medical Identifiers

Medical identifiers for Mary Beth Son such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972665909NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0216XPediatrics - Pediatric Rheumatology 219881 (Massachusetts)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. Mary Beth Son allows following entities to bill medicare on her behalf.
Entity NameChildren's Hospital Pediatric Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457306664
PECOS PAC ID: 3476541830
Enrollment ID: O20040504000964

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. Mary Beth Son 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
Mary Beth Son, MD
300 Longwood Ave, Childrens Hospital Boston,
Boston, MA 02115-5724

Ph: () -
Mary Beth Son, MD
300 Longwood Ave, Childrens Hospital Boston,
Boston, MA 02115-5724

Ph: (617) 355-6117

Reviews and Comments


Pediatrics Doctors in Boston, MA

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Dr. Alon Peltz, M.D.
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Practice Location: 300 Longwood Ave, Boston, MA 02115
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Miki Nishitani, M.D.
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Practice Location: 300 Longwood Ave, Boston, MA 02115
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Vickren Pillay, MD
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Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    

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