Mark Green, DDS, MD
NPI 1821352394 · Oral and Maxillofacial Surgery (Dentist) · Boston, MA
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Green, DDS, MD is a Oral and Maxillofacial Surgery (Dentist) provider in Boston, MA (NPI 1821352394).
Provider details
- NPI number
- 1821352394
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- DDS, MD
- Sex
- Male
- Sole proprietor
- No
- License
- 274122 (MA)
Specialties & taxonomies
Dental Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-29
- Last updated
- 2023-04-04
- Certified
- 2023-04-04
Frequently asked questions
- What is Mark Green's NPI number?
- Mark Green's National Provider Identifier (NPI) is 1821352394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Green's specialty?
- Mark Green is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Mark Green located?
- Mark Green's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Mark Green's phone number?
- The practice phone number listed in the NPPES registry for Mark Green is (617) 355-6000.
- Does Mark Green accept Medicare?
- Mark Green is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Green's NPI active?
- Yes — Mark Green's NPI (1821352394) is active in the NPPES registry as of the last update on 2023-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.