Individual provider Active NPI

Marian Katz Holdridge, RD, CDN

  • Obesity and Weight Management Nutrition Registered Dietitian
  • Middletown, NY
National Provider Identifier
1497212856
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obesity and Weight Management Nutrition Registered DietitianTaxonomy code 133VN1201X
License
000685 Issued in NY
Practice address
419 E Main St
Middletown, NY 10940-2536
Phone
(845) 342-4774
NPI assigned
Feb 21, 2019
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obesity and Weight Management Nutrition Registered Dietitian 133VN1201X 000685 NY Primary

Addresses

Primary practice location

419 E Main St
Middletown, NY 10940-2536

Mailing address

111 Maltese Dr
Middletown, NY 10940-2141
Phone (845) 342-4774

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191024003224 NY Practitioner - Registered Dietitian Or Nutrition Professional 6709118664 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Registered Dietitian Or Nutrition Professional
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Middletown Medical PCGroup PAC ID 2567464308, 177 clinicians

Practice addresses (Care Compare)

111 Maltese Dr
Middletown, NY 10940-2115
Phone (845) 342-4774

2 Executive Blvd
Suite 203
Suffern, NY 10901-8218
Phone (845) 357-0166

75 Maltese Dr
Middletown, NY 10940-2115
Phone (845) 342-4774

95 Maltese Dr
Middletown, NY 10940-2115
Phone (845) 342-4774

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
000685NYMDObesity and Weight Management Nutrition Registered Dietitian

Practice roles

OrganizationSpecialtyStatusNew patients
Sharon Saka Associates Inc. Dietitian, Registered CurrentSince Sep 21, 2019 Accepting new patients
Sharon Saka Associates PastSince Sep 21, 2019 Accepting new patients

Locations

2 Executive Blvd
Ste 203
Suffern, NY 10901
Phone (845) 357-0166

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359

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": "1550707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1497212856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 MALTESE DR",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109402141",
            "telephone_number": "845-342-4774"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "419 E MAIN ST",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109402536",
            "telephone_number": "845-342-4774"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLDRIDGE",
        "first_name": "MARIAN",
        "middle_name": "KATZ",
        "credential": "RD, CDN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-02-21",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1201X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Obesity and Weight Management",
            "state": "NY",
            "license": "000685",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Middletown, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.