Individual provider Active NPI

Mark Paul Slovenkai, M.D.

  • Orthopaedic Foot and Ankle Surgery Physician
  • Waltham, MA
National Provider Identifier
1871530980
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Foot and Ankle Surgery PhysicianTaxonomy code 207XX0004X
License
71602 Issued in MA
Practice address
71 Border Rd Ste 300
Waltham, MA 02451-1044
Phone
(781) 890-2133
Fax
(781) 890-2177
NPI assigned
May 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Foot and Ankle Surgery Physician 207XX0004X 71602 MA Primary

Addresses

Primary practice location

71 Border Rd Ste 300
Waltham, MA 02451-1044

Mailing address

71 Border Rd Ste 300
Waltham, MA 02451-1044
Phone (781) 890-2133

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050525000338 MA Practitioner - Orthopedic Surgery 4880643592 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Albany Medical College of Union University, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

150 Flanders Rd
Westborough, MA 01581-1017
Phone (781) 890-2133

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
71602MAMDOrthopaedic Foot and Ankle Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New England Baptist Medical Associates, Inc. CurrentSince Dec 24, 2016 Accepting new patients
Northeast Orthopaedic Alliance PLLC CurrentSince Mar 1, 2024 Accepting new patients
Boston Sports & Shoulder Center, LLC CurrentSince Feb 19, 1993 Accepting new patients
Northeast Orthopaedic Alliance PLLC Foot and Ankle Surgery CurrentSince Mar 1, 2024 Accepting new patients
Boston Sports & Shoulder Center, LLC CurrentSince Feb 19, 1993 Accepting new patients

Locations

20 Guest St
Ste 225
Brighton, MA 02135
Phone (617) 586-1900

830 Boylston St
Ste 107
Chestnut Hill, MA 02467
Phone (617) 264-1100

40 Allied Dr
Dedham, MA 02026
Phone (617) 264-1100

125 Parker Hill Ave
Roxbury Xing, MA 02120
Phone (617) 264-1100

840 Winter St
Waltham, MA 02451
Phone (781) 487-9944

71 Border Rd
Ste 300
Waltham, MA 02451
Phone (781) 890-2133

150 Flanders Rd
Westborough, MA 01581
Phone (508) 870-2222

Interoperability endpoints

  • Direct secure messaging: mark.slovenkai.3@749.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/749/brand/1/csg/1/fhir/r4
  • Direct secure messaging: mslovenkai254054@direct.bilh.masshiway.net

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1871530980",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 BORDER RD STE 300",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024511044",
            "telephone_number": "781-890-2133",
            "fax_number": "781-890-2177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "71 BORDER RD STE 300",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024511044",
            "telephone_number": "781-890-2133",
            "fax_number": "781-890-2177"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLOVENKAI",
        "first_name": "MARK",
        "middle_name": "PAUL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-31",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "MA",
            "license": "71602",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waltham, MA

Sources for this page

Verify at the official NPI Registry.