Cassie L. Serpan, MS, RDN
Registered Dietitian · Westminster, CO
Cassie L. Serpan, MS, RDN is a registered dietitian with a practice address in Westminster, Colorado, and NPI 1164166112, issued on Apr 26, 2022. Check the license (Colorado 86080302, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassie L. Serpan
- Credential
- MS, RDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 86080302 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10072 Oak Cir, Westminster, CO 80021
- Phone
- (303) 847-8566
- Enumerated
- Apr 26, 2022
- Record last updated
- Apr 26, 2022
- Medicare enrollment
- Enrolled (PECOS I20240619000849); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 1,391 in Colorado → Look up another NPI →
Verify Cassie L. Serpan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 86080302Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Vital RD LLCCentennial, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassie L. Serpan among 1,391 registered dietitian records in Colorado
Cassie L. Serpan, MS, RDN 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. Its NPI, issued in 2022, is newer than 60% of them.
- NPI issued2022 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2016 · median 2014 among the 107 with a school on file
- Record last updated2022 · 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).
Registered Dietitian providers in Colorado
There are 1,391 registered dietitian records in Colorado.
All 1,391 in Colorado → Every provider in Westminster → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Laura Andersen, RDNBroomfield, CO 800211508368531
- Laura Asbury, MS, RD, LD, CSCSBroomfield, CO 800211407466402
- Moranda Boles, RDBroomfield, CO 800211245754910
- Julie GriffithWestminster, CO 800211194677922
- Brooke Harig, RDWestminster, CO 800211558143610
- Emily Harris, RDWestminster, CO 800211811594070
- Tessa PallanWestminster, CO 800211578106308
- Adriann Pidek, RDNWestminster, CO 800211902589518
Common questions
What is Cassie L. Serpan, MS, RDN's NPI number?
Cassie L. Serpan, MS, RDN's National Provider Identifier (NPI) is 1164166112, issued on Apr 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cassie L. Serpan, MS, RDN located?
The NPPES record lists a practice address at 10072 Oak Cir, Westminster, CO, 80021. Phone: (303) 847-8566. Providers update this record themselves, so call before visiting.
How can I verify Cassie L. Serpan, MS, RDN's license?
NPPES lists Colorado license number 86080302, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.