NPIMap

Individual provider Active NPI

Konstantin Ravvin, MD

  • Hospitalist Physician
  • Milford, MA
National Provider Identifier
1851851901
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
1016008 Issued in MA
Practice address
14 Prospect St
Milford, MA 01757-3003
Phone
(508) 473-1480
NPI assigned
Mar 24, 2019
Last updated
Jun 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X LT4397 NH
Internal Medicine Physician 207R00000X MD18885 RI
General Practice Physician 208D00000X MD18885 RI
Hospitalist Physician 208M00000X 1016008 MA Primary

Addresses

Primary practice location

14 Prospect St
Milford, MA 01757-3003

Mailing address

9 Industrial Rd Ste 5
Milford, MA 01757-3736
Phone (508) 473-1480

Other practice location 1

274 Sandwich St
Plymouth, MA 02360-2131
Phone (508) 746-2000

Other practice location 2

115 Cass Ave
Woonsocket, RI 02895-4731
Phone (401) 769-4100

Other practice location 3

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

Other practice location 4

455 Toll Gate Rd
Warwick, RI 02886-2759
Phone (401) 737-7010

Other practice location 5

101 Dudley St
Providence, RI 02905-2401
Phone (401) 453-7950

Other practice location 6

16 Hospital Rd
Plymouth, NH 03264-1199
Phone (603) 536-1120

Other practice location 7

311 Service Rd
East Sandwich, MA 02537-1370
Phone (508) 833-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI, MA, NH3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20230214001372 RI Practitioner - Internal MedicinePractitioner - General Practice 7113256207 Reassigns benefits to 3 organizations
I20230914000965 MA Practitioner - Internal Medicine 7113256207 Reassigns benefits to 7 organizations
I20231106001520 NH Practitioner - Internal Medicine 7113256207 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians
New England Premier Healthcare LTDGroup PAC ID 5193001709, 5 clinicians

Practice addresses (Care Compare)

14 Prospect St
Milford, MA 01757-3003
Phone (508) 473-1190

48 Gaspee Point Dr
Warwick, RI 02888-4918
Phone (401) 996-5267

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1016008MAMDInternal Medicine Physician
LT4397NHMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
West Coast Health and Rehab PC CurrentSince Aug 18, 2023 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Sep 18, 2023 Accepting new patients
Medical Affiliates of Cape Cod, Inc. CurrentSince Mar 17, 2025 Accepting new patients
Speare Memorial Hospital General Practice Current Accepting new patients
New England Premier Healthcare LTD Internal Medicine CurrentSince Jul 1, 2023 Accepting new patients
Prime Healthcare Services Landmark LLC Internal Medicine CurrentSince Jan 18, 2023 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Sep 18, 2023 Accepting new patients
Speare Memorial Hospital CurrentSince Sep 16, 2023 Accepting new patients
Prime Healthcare Services Landmark LLC CurrentSince Jan 18, 2023 Accepting new patients
Signify Health Medical Associates, PLLC General Practice CurrentSince Feb 2, 2023 Accepting new patients
Umass Memorial Medical Group Inc Internal Medicine Current Accepting new patients
Medical Affiliates of Cape Cod, Inc. Internal Medicine CurrentSince Mar 17, 2025 Accepting new patients
Physicians of Falmouth Hospital Internal Medicine CurrentSince Mar 15, 2025 Accepting new patients
Milford Regional Physician Group, Inc. Internal Medicine Current Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Oct 1, 2025 Accepting new patients
Affinity Physicians LLC. Internal Medicine Past Accepting new patients

Locations

100 Ter Heun Dr
Falmouth, MA 02540
Phone (508) 457-3501

21 Bramble Bush Dr
Falmouth, MA 02540
Phone (508) 495-5160

5 Bramble Bush Dr
Falmouth, MA 02540
Phone (508) 495-8300

27 Park St
Hyannis, MA 02601
Phone (508) 775-5011

100 Medway Rd
Ste 401
Milford, MA 01757
Phone (508) 634-7338

14 Prospect St
Milford, MA 01757
Phone (508) 422-2343

308 Main St
Milford, MA 01757
Phone (508) 478-0555

9 Industrial Rd
Ste 5
Milford, MA 01757
Phone (508) 473-1480

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

16 Hospital Rd
Plymouth, NH 03264
Phone (603) 238-2229

270 Bellevue Ave
Newport, RI 02840
Phone (203) 843-2264

455 Douglas Ave
Providence, RI 02908
Phone (401) 553-8600

50 Maude St
Providence, RI 02908
Phone (401) 456-2200

115 Cass Ave
Woonsocket, RI 02895
Phone (401) 356-1701

206 Cass Ave
Woonsocket, RI 02895
Phone (401) 597-5070

255 Cass Ave
Woonsocket, RI 02895
Phone (401) 762-5599

262 Poplar St
Woonsocket, RI 02895
Phone (401) 765-2100

4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037

4055 Valley View Ln
Ste 700
Dallas, TX 75244
Phone (469) 466-7420

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 12

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": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1851851901",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 INDUSTRIAL RD STE 5",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573736",
            "telephone_number": "508-473-1480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14 PROSPECT ST",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573003",
            "telephone_number": "508-473-1480"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "274 Sandwich St",
            "address_purpose": "LOCATION",
            "city": "Plymouth",
            "state": "MA",
            "postal_code": "023602131",
            "country_code": "US",
            "telephone_number": "508-746-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "115 Cass Ave",
            "address_purpose": "LOCATION",
            "city": "Woonsocket",
            "state": "RI",
            "postal_code": "028954731",
            "country_code": "US",
            "telephone_number": "401-769-4100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-726-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "455 Toll Gate Rd",
            "address_purpose": "LOCATION",
            "city": "Warwick",
            "state": "RI",
            "postal_code": "028862759",
            "country_code": "US",
            "telephone_number": "401-737-7010",
            "fax_number": "401-736-4546",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 Dudley St",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029052401",
            "country_code": "US",
            "telephone_number": "401-453-7950",
            "fax_number": "401-453-7658",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16 Hospital Rd",
            "address_purpose": "LOCATION",
            "city": "Plymouth",
            "state": "NH",
            "postal_code": "032641199",
            "country_code": "US",
            "telephone_number": "603-536-1120",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "311 Service Rd",
            "address_purpose": "LOCATION",
            "city": "East Sandwich",
            "state": "MA",
            "postal_code": "025371370",
            "country_code": "US",
            "telephone_number": "508-833-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAVVIN",
        "first_name": "KONSTANTIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-24",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "LT4397",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "RI",
            "license": "MD18885",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "RI",
            "license": "MD18885",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "1016008",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milford, MA

Sources for this page

Verify at the official NPI Registry.