NPPES file of Aug 9, 2026

Ann Christine Tholen, R.D.L.D.

Registered Dietitian · Houston, TX

Ann Christine Tholen, R.D.L.D. is a registered dietitian with a practice address in Houston, Texas, and NPI 1619414877, issued on Jan 26, 2017. Check the license (Texas DT84605, 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
1619414877
Name
Ann Christine Tholen
Credential
R.D.L.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
DT84605 TX
Self-reported in NPPES; status is on the state search
Practice location
6624 Fannin St Ste 2260, Houston, TX 77030
Phone
(713) 795-0770
Enumerated
Jan 26, 2017
Record last updated
Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(713) 795-0855
Medicare enrollment
Enrolled (PECOS I20050615000817); 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 6624 Fannin St Ste 2260

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

  1. Dina Winograd, MDEndocrinology, Diabetes & Metabolism Physician1639598048

Verify Ann Christine Tholen 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 DT84605    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. Houston Thyroid And Endocrine SpecialistsKaty, TX

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

Ann Christine Tholen among 5,099 registered dietitian records in Texas

Ann Christine Tholen, R.D.L.D. 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 2017, is newer than 35% of them.

  • NPI issued2017 · 35% of these records are older, 62% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated1998 · median 2016 among the 480 with a school on file
  • Record last updated2021 · 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 Houston → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Marian Ackerman, MS, RD, LDHouston, TX 770301962517177
  2. Nancy Baker, RDHouston, TX 770301316052855
  3. Brandi ChaseHouston, TX 770301972616456
  4. Elizabeth Clement, R.D., M.EDHouston, TX 770301497860100
  5. Kae Fenster, RDHouston, TX 770301437175999
  6. Valsa George, BS,RD,LDHouston, TX 770301437264264
  7. Suzanne Lopez, MPH, RD, LDHouston, TX 770301255347142
  8. Rachel Murphy, REGISTERED DIETITIANHouston, TX 770301558345421

Common questions

What is Ann Christine Tholen, R.D.L.D.'s NPI number?

Ann Christine Tholen, R.D.L.D.'s National Provider Identifier (NPI) is 1619414877, issued on Jan 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ann Christine Tholen, R.D.L.D. located?

The NPPES record lists a practice address at 6624 Fannin St Ste 2260, Houston, TX, 77030. Phone: (713) 795-0770. Providers update this record themselves, so call before visiting.

How can I verify Ann Christine Tholen, R.D.L.D.'s license?

NPPES lists Texas license number DT84605, 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.