NPPES file of Aug 9, 2026

Madeline Margaret Knoll, RDN, LD

Registered Dietitian · Houston, TX

Madeline Margaret Knoll, RDN, LD is a registered dietitian with a practice address in Houston, Texas, and NPI 1407690746, issued on Jun 21, 2024. Check the license (Texas DT90030, 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
1407690746
Name
Madeline Margaret Knoll
Credential
RDN, LD
Primary taxonomy
Registered Dietitian 133V00000X
License number
DT90030 TX
Self-reported in NPPES; status is on the state search
Practice location
11476 Space Center Blvd Ste 100, Houston, TX 77059
Phone
(713) 486-6325
Enumerated
Jun 21, 2024
Record last updated
Jul 9, 2025
Medicare enrollment
Enrolled (PECOS I20240808004078); 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 5,099 in Texas → Look up another NPI →

Also registered at 11476 Space Center Blvd Ste 100

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

  1. Sylvalene Alozie, NPFamily Nurse Practitioner1295782761
  2. Latonya Bryant, LCSWClinical Social Worker1497018683
  3. Elena Thampy Cherian, MBBSInternal Medicine Physician1487005146
  4. Alice Chiu, MDEndocrinology, Diabetes & Metabolism Physician1881682276
  5. Christelle Hernandez, FNPFamily Nurse Practitioner1497101356
  6. Farokh Jamalyaria, MDRheumatology Physician1568762631

Verify Madeline Margaret Knoll 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 DT90030    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. UT PhysiciansHouston, TX

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

Madeline Margaret Knoll among 5,099 registered dietitian records in Texas

Madeline Margaret Knoll, RDN, LD 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 2024, is newer than 70% of them.

  • NPI issued2024 · 70% of these records are older, 22% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2023 · median 2016 among the 480 with a school on file
  • Record last updated2025 · 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. Amy Carlson, MS, RD, LDHouston, TX 770591760861710
  2. Tonya Moore, MPH, RDN, LD, CNSCHouston, TX 770591881278042
  3. Tish Wright, MS, RD, LD, CDCESHouston, TX 770591609919661
  4. Erin Gussler, MS, RDN, LDHouston, TX 770581639720147
  5. Anna Spencer, RD, LDHouston, TX 770581841730025
  6. Harry Barnes, RDHouston, TX 770611922248814
  7. Stacey Barta, RD, LDHouston, TX 770571760980825
  8. Lisa Mook, R.D.L.D.Houston, TX 770571598207094

Common questions

What is Madeline Margaret Knoll, RDN, LD's NPI number?

Madeline Margaret Knoll, RDN, LD's National Provider Identifier (NPI) is 1407690746, issued on Jun 21, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Madeline Margaret Knoll, RDN, LD located?

The NPPES record lists a practice address at 11476 Space Center Blvd Ste 100, Houston, TX, 77059. Phone: (713) 486-6325. Providers update this record themselves, so call before visiting.

How can I verify Madeline Margaret Knoll, RDN, LD's license?

NPPES lists Texas license number DT90030, 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.