Barbara C Olendzki, RD, MPH, LDN

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

236 Issued in MA

Practice address

55 Lake Ave N BLDG Shaw
Umass Medical School
Worcester, MA 01655-0002

Phone

(508) 856-5195

Fax

(508) 856-2022

NPI assigned

Dec 1, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1164931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1548338015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "72 HOLDEN RD",
            "city": "STERLING",
            "state": "MA",
            "postal_code": "015642421",
            "telephone_number": "978-563-1550",
            "fax_number": "508-856-2022"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N BLDG SHAW",
            "address_2": "UMASS MEDICAL SCHOOL",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-856-5195",
            "fax_number": "508-856-2022"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLENDZKI",
        "first_name": "BARBARA",
        "middle_name": "C",
        "name_prefix": "Ms.",
        "credential": "RD, MPH, LDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-01",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "MA",
            "license": "236",
            "primary": true
        },
        {
            "code": "133VN1006X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Metabolic",
            "state": "MA",
            "license": "236",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rosamystica Nyamombi Okumu
• Temitayo Olasehinde
• Joseph Olawale Olatunji, DPM
• Katiemae Sky Olderstein
• Kaitlyn Oldewurtel, DO
• Nicholas Olendzki, PSY.D.
• Ivone Pina Oliveira
• Maria Luiza Oliveira
• Paulo J. Oliveira, M.D.
• Jan Oliver

• Registered Dietitian in Worcester, MA
• Providers in Worcester, MA by specialty
• Registered Dietitian in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.