MARK A GREEN DDS, MD
NPI 1821352394
Dentist - Oral and Maxillofacial Surgery in Boston, MA

Active since June 29, 2012PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: April 4, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 4, 2023, Feb 6, 2020, Jan 16, 2019 (3 updates tracked since 2019).

About Mark A Green Dds, Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK A GREEN DDS, MD (NPI 1821352394) is an individual oral and maxillofacial surgery provider in Boston, Massachusetts, licensed in Massachusetts (DN1857060) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of Columbia University College Of Dental Medicine (2012).

NPPES Registry Identity

NPI1821352394
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameMARK A GREENCredential: DDS, MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSColumbia University College Of Dental MedicineGraduated 2012
Enumeration DateJune 29, 2012
Last NPPES UpdateApril 4, 20233 updates tracked since enumeration
NPPES CertifiedApril 4, 2023
NPI 1821352394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License Licensed in MA · DN1857060
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Also ListedOral & Maxillofacial SurgeryTaxonomy 204E00000X · License 274122 (MA)
300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark A Green Dds, Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254585342
PECOS Enrollment IDI20180529001418
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Children's Hospital

Childrens · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number223302
Location300 Longwood AvenueBoston, MA 02115 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Green's NPI number?

The NPI number for Mark Green is 1821352394. It was assigned to this individual provider in the NPPES registry on June 29, 2012.

Where is Mark Green located?

Mark Green practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Mark Green's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Mark Green enrolled in Medicare?

Yes. Mark Green is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Green accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 7 other insurers list Mark Green as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Green affiliated with any hospitals?

According to CMS data, Mark Green is affiliated with Boston Children's Hospital.

When was this NPI record last updated?

The NPPES record for Mark Green was last updated on April 4, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.