NPPES file of Aug 9, 2026

Chelsea Marquez

Registered Dietitian · San Antonio, TX

Chelsea Marquez is a registered dietitian with a practice address in San Antonio, Texas, and NPI 1770989436, issued on Nov 7, 2014. Check the license (Texas DT83251, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1770989436
Name
Chelsea Marquez
Primary taxonomy
Registered Dietitian 133V00000X
License number
DT83251 TX
Self-reported in NPPES; status is on the state search
Practice location
400 N Loop 1604 E Ste 175, San Antonio, TX 78232
Phone
(210) 545-4422
Enumerated
Nov 7, 2014
Record last updated
Jun 4, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(210) 545-4495
Medicaid ID
344910001 TX
Medicare enrollment
Enrolled (PECOS I20141210000882); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 5,099 in Texas → Look up another NPI →

Also registered at 400 N Loop 1604 E Ste 175

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

  1. Rachel Bland, RD, LDRegistered Dietitian1154808509
  2. Elizabeth HighamRegistered Dietitian1508223538
  3. Julie Poidevin, MS, RDN, LDRegistered Dietitian1124587183
  4. Haley Royer, MS, RD, LDRegistered Dietitian1407370349
  5. Alicia Westfall, RD, LDRegistered Dietitian1619143369

Verify Chelsea Marquez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license DT83251    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 Texas 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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Bills Medicare through one group practice

  1. Jan Tilley And AssociatesSan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chelsea Marquez among 5,099 registered dietitian records in Texas

Chelsea Marquez is one of 5,099 registered dietitian records with a practice address in Texas. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 26% of them.

  • NPI issued2014 · 26% of these records are older, 71% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2011 · median 2016 among the 480 with a school on file
  • Record last updated2018 · 45% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Texas

There are 5,099 registered dietitian records in Texas.

All 5,099 in Texas → Every provider in San Antonio → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Rachel Bland, RD, LDSan Antonio, TX 782321154808509
  2. Daniel Guerra, RDNSan Antonio, TX 782321881051811
  3. Brenda Hernandez JohnsSan Antonio, TX 782321720536063
  4. Elizabeth HighamSan Antonio, TX 782321508223538
  5. Samantha LopezSan Antonio, TX 782321427475128
  6. Julie Poidevin, MS, RDN, LDSan Antonio, TX 782321124587183
  7. Sonia Rodriguez, MS, RD, CDCES,CEDSSan Antonio, TX 782321376858381
  8. Haley Royer, MS, RD, LDSan Antonio, TX 782321407370349

Common questions

What is Chelsea Marquez's NPI number?

Chelsea Marquez's National Provider Identifier (NPI) is 1770989436, issued on Nov 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Marquez located?

The NPPES record lists a practice address at 400 N Loop 1604 E Ste 175, San Antonio, TX, 78232. Phone: (210) 545-4422. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Marquez's license?

NPPES lists Texas license number DT83251, as entered by the provider. Search the Texas 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.

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.