NPPES file of Aug 9, 2026

Holly Sullivan, REGISTERED DIETITIAN

Registered Dietitian · Denver, CO

Holly Sullivan, REGISTERED DIETITIAN is a registered dietitian with a practice address in Denver, Colorado, and NPI 1568973816, issued on Oct 13, 2017. Check the license (Colorado 1035975, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568973816
Name
Holly Sullivan
Credential
REGISTERED DIETITIAN
Primary taxonomy
Registered Dietitian 133V00000X
License number
1035975 CO
Self-reported in NPPES; status is on the state search
Practice location
3055 Roslyn St Unit 250, Denver, CO 80238
Phone
(720) 553-2750
Enumerated
Oct 13, 2017
Record last updated
Aug 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(720) 553-2763
Medicare enrollment
Enrolled (PECOS I20260529002374); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 1,391 in Colorado → Look up another NPI →

Also registered at 3055 Roslyn St Unit 250

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erin Cahoon, RDNRegistered Dietitian1629649587
  2. Carrie Landin, PSY.D.Clinical Psychologist1730348061
  3. Ava Schumacher, PHDClinical Psychologist1093264137
  4. Jayme Theis, MTMassage Therapist1366108078
  5. Joanne Whalen, PSYDClinical Psychologist1326164948
  6. Ban Wong, L.AC.Acupuncturist1851445654

Verify Holly Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 1035975    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Holly Sullivan among 1,391 registered dietitian records in Colorado

Holly Sullivan, REGISTERED DIETITIAN is one of 1,391 registered dietitian records with a practice address in Colorado. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 35% of them.

  • NPI issued2017 · 35% of these records are older, 62% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2007 · median 2014 among the 107 with a school on file
  • Record last updated2019 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

298 registered dietitian records list a practice address in Denver

They are 298 of the 25,068 NPPES records with a practice address in Denver, and 1,391 registered dietitian records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,391 in Colorado → Every provider in Denver → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Rebecca Boenig, RDDenver, CO 802381942815261
  2. Erin Cahoon, RDNDenver, CO 802381629649587
  3. Catherine Cohen, PHD, RDNDenver, CO 802381326835059
  4. Shawna Guttman, MS, RDDenver, CO 802381467270579
  5. Michelle Henry, MPH, RDDenver, CO 802381902886245
  6. Dana Jasick, RDNDenver, CO 802381427530096
  7. James Lesley, MS, RDN, SNSDenver, CO 802381184582389
  8. Heather Lujan, R.D.N.Denver, CO 802381275064669

Common questions

What is Holly Sullivan, REGISTERED DIETITIAN's NPI number?

Holly Sullivan, REGISTERED DIETITIAN's National Provider Identifier (NPI) is 1568973816, issued on Oct 13, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Holly Sullivan, REGISTERED DIETITIAN located?

The NPPES record lists a practice address at 3055 Roslyn St Unit 250, Denver, CO, 80238. Phone: (720) 553-2750. Providers update this record themselves, so call before visiting.

How can I verify Holly Sullivan, REGISTERED DIETITIAN's license?

NPPES lists Colorado license number 1035975, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

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

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.