NPPES file of Aug 9, 2026

Oncology Nutrition Registered Dietitian providers in the U.S.

125 NPPES records list oncology nutrition registered dietitian as their primary taxonomy; District of Columbia and Louisiana have the most per resident. A registry record is not proof of an active practice.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 133VN1301X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

What taxonomy code 133VN1301X means

133VN1301X is the National Uniform Claim Committee code for Dietitian, Registered, Nutrition, Oncology, in the grouping Dietary & Nutritional Service Providers. 125 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).

An individual who is a Board Certified Specialist in Oncology Nutrition and provides direct nutrition care for individuals at risk for or diagnosed with cancer. RDNs working directly with individuals at risk for, or diagnosed with, any type of malignancy or pre-malignant condition, in a variety of settings (e.g. hospitals, clinics, cancer centers, hospices, public health), OR indirectly through roles in management, education, industry, and research practice linked specifically to oncology nutrition. RDN who works indirectly with oncology nutrition through roles in management, education, industry, and research.

Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.

Most per resident: the 8 highest

  1. District of Columbia0.3
  2. Louisiana0.2
  3. New Mexico0.2
  4. Wyoming0.2
  5. New York0.1
  6. Georgia0.1
  7. North Carolina0.1
  8. Virginia0.1
  9. 50 states and D.C.0.0

Source: CMS NPPES, primary taxonomy 133VN1301X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

New York has the most, 8

  1. New York, NY8
  2. Atlanta, GA7
  3. Albuquerque, NM4
  4. Miami, FL3
  5. Tampa, FL3
  6. Indianapolis, IN3
  7. Baton Rouge, LA3
  8. Jefferson, LA3

Source: CMS NPPES, primary taxonomy 133VN1301X by practice city, file of Aug 9, 2026.

All 39 states and D.C. with records, by state

StateRecordsPer 100,000
Alabama10.0
Alaska10.1
Arizona20.0
Arkansas10.0
California80.0
Colorado10.0
Connecticut10.0
District of Columbia20.3
Florida100.0
Georgia100.1
Idaho10.1
Illinois60.0
Indiana30.0
Iowa20.1
Kansas10.0
Kentucky30.1
Louisiana80.2
Maine10.1
Massachusetts30.0
Michigan10.0
StateRecordsPer 100,000
Minnesota10.0
Missouri30.0
Nebraska20.1
New Hampshire20.1
New Jersey10.0
New Mexico40.2
New York120.1
North Carolina70.1
Ohio30.0
Oklahoma20.0
Oregon20.0
Pennsylvania50.0
Rhode Island10.1
Tennessee20.0
Texas40.0
Utah10.0
Virginia50.1
Washington10.0
Wyoming10.2

In federal data

  • NUCC code133VN1301X · Dietitian, Registered
  • Size rank501st of 688 specialties by records (0% of all)
  • In its family7th of 9 Dietitian, Registered codes, 0.2% of the family
  • Concentration8 states hold half of all records

Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.

A sample of oncology nutrition registered dietitian records

  1. Alyssa Prollock, RDFairbanks, AK1215614409
  2. Connor Carlton, MS, RDN, LDMobile, AL1356911622
  3. Shari Oakland Schulze, RDNLittle Rock, AR1225854284
  4. Hannah Gunnerson, MS, RDN, CNSCPhoenix, AZ1467222547
  5. Terri TaylorScottsdale, AZ1497356620
  6. Kristine Giltvedt, RDNSan Diego, CA1851024756
  7. Haley Peterson, RD, CNSCSanta Barbara, CA1770315673
  8. Anna Kaijser, RD, CSOPalo Alto, CA1437913126
  9. Chunyun XiaoPalo Alto, CA1356089825
  10. Lisa Gilliland, RDCupertino, CA1174411474
  11. Andrea Whitson, RDNSan Jose, CA1114845690
  12. Mara Bernardo, RDN, CSOStockton, CA1255904512

Registry order, not a ranking. Search by name to find one provider.

Common questions

Why is Oncology Nutrition Registered Dietitian a thin NUCC code in NPPES?

Only 125 NPIs list Oncology Nutrition Registered Dietitian as primary taxonomy across 39 states (peak New York, 12). That is 501st of 688 NUCC codes by headcount. Thin codes are still searchable by NPI; do not treat the low count as a quality signal.

Where can I still find an Oncology Nutrition Registered Dietitian?

Oncology Nutrition Registered Dietitian providers are listed in 39 states; New York leads by raw city count. By national headcount this code sits just above Nuclear Medicine Technology Radiologic Technologist and just below Driving and Community Mobility Occupational Therapist. Browse by state or search by name.

What does NUCC code 133VN1301X mean?

Oncology Nutrition Registered Dietitian is NUCC taxonomy 133VN1301X in the Dietitian, Registered group. Counts are self-designated primary taxonomy at NPI enrollment, not board certification.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.