Dr Mark David Dexter, MD - Medicare Pediatrics in Boston, MA

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Dr Mark David Dexter, MD is a medicare enrolled "Pediatrics - Pediatric Critical Care Medicine" physician in Boston, Massachusetts. His current practice location is 300 Longwood Ave, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 355-6000.

Dr Mark David Dexter is licensed to practice in Massachusetts (license number 281842) 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 1033408513.

Contact Information

Dr Mark David Dexter, MD
300 Longwood Ave,
Boston, MA 02115-5737
(617) 355-6000
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark David Dexter
GenderMale
SpecialityPediatrics - Pediatric Critical Care Medicine
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: 1033408513
  • Provider Enumeration Date: 04/05/2011
  • Last Update Date: 04/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3577787902
  • Enrollment ID: I20200115003026

Medical Identifiers

Medical identifiers for Dr Mark David Dexter such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033408513NPI-NPPES
110158942AMedicaidMA
281842OtherMAMA MEDICAL LICENSE
S400622433OtherMAMEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0203XPediatrics - Pediatric Critical Care Medicine 281842 (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. Dr Mark David Dexter allows following entities to bill medicare on his behalf.
Entity NameChmc Anesthesia Foundation Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831268754
PECOS PAC ID: 0446155568
Enrollment ID: O20031203000162
Entity NamePratt Pediatric Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477590511
PECOS PAC ID: 3779475371
Enrollment ID: O20040329000127
Entity NameBoston Childrens Heart Foundation Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982680922
PECOS PAC ID: 8729071675
Enrollment ID: O20040406001030
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
Entity NameChmc Anesthesia Foundation Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831268754
PECOS PAC ID: 0446155568
Enrollment ID: O20050920000649

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 Mark David Dexter 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 Mark David Dexter, MD
300 Longwood Ave,
Boston, MA 02115-5737

Ph: (617) 355-6000		Dr Mark David Dexter, MD
300 Longwood Ave,
Boston, MA 02115-5737

Ph: (617) 355-6000

Reviews and Comments


Pediatrics Doctors in Boston, MA

Puja Banka, M.D.
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Practice Location: 300 Longwood Ave, Bader 203, Boston, MA 02115
Phone: 617-355-6363    
Angela M. Jacques, MD
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Dr. Elizabeth S Taglauer, M.D., PH.D.
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Medicare: Medicare Enrolled
Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    
Cailyn Hereen Rood, MD
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Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    
Dr. Alon Peltz, M.D.
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Medicare: Medicare Enrolled
Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    
Miki Nishitani, M.D.
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Medicare: Medicare Enrolled
Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    
Vickren Pillay, MD
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Medicare: Medicare Enrolled
Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    

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.

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