Individual provider Active NPI

Kristin Watkins, MS

  • Registered Dietitian
  • Waltham, MA
National Provider Identifier
1558977017
Registry record updated Apr 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
Practice address
2 Winter St Ste 201
Waltham, MA 02451-0960
Phone
(781) 738-0571
Fax
(844) 738-9026
NPI assigned
Sep 21, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X Primary

Addresses

Primary practice location

2 Winter St Ste 201
Waltham, MA 02451-0960

Mailing address

1257 Worcester Rd # 1108
Framingham, MA 01701-5217
Phone (781) 738-0571

Other names 1

  • Kristin Otto Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Master of Science

Practice roles

OrganizationSpecialtyStatusNew patients
Flourish & Grow Nutrition Services, LLC Dietitian, Registered CurrentSince Mar 11, 2025 Accepting new patients
Nourish, Inc. Dietitian, Registered Past Accepting new patients
Marjorie Nolan Cohn LLC Dietitian, Registered Past Accepting new patients

Locations

1257 Worcester Rd
Framingham, MA 01701
Phone (508) 709-9520

2 Winter St
Ste 201
Waltham, MA 02451
Phone (781) 259-0799

419 Moody St
Waltham, MA 02453
Phone (617) 396-7349

Organizations & group practices 3

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

NPI Registry JSON

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

{
    "created_epoch": "1600646400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1558977017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1257 WORCESTER RD # 1108",
            "city": "FRAMINGHAM",
            "state": "MA",
            "postal_code": "017015217",
            "telephone_number": "781-738-0571",
            "fax_number": "844-738-9026"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 WINTER ST STE 201",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024510960",
            "telephone_number": "781-738-0571",
            "fax_number": "844-738-9026"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WATKINS",
        "first_name": "KRISTIN",
        "credential": "MS",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-09-21",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KRISTIN",
            "last_name": "OTTO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Waltham, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.