John Gregory Massengale
Registered Dietitian · Corpus Christi, TX
John Gregory Massengale is a registered dietitian with a practice address in Corpus Christi, Texas, and NPI 1568084028, issued on May 7, 2020. Check the license (Texas DT85886, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Gregory Massengale
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- DT85886 TX
Self-reported in NPPES; status is on the state search - Practice location
- 522 Hancock Ave Apt 122, Corpus Christi, TX 78404
- Phone
- (972) 979-0514
- Enumerated
- May 7, 2020
- Record last updated
- May 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220831000856); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 5,099 in Texas → Look up another NPI →
Verify John Gregory Massengale in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license DT85886Check 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
- Healthtexas Provider NetworkWeatherford, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Gregory Massengale among 5,099 registered dietitian records in Texas
John Gregory Massengale 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 2020, is newer than 47% of them.
- NPI issued2020 · 47% of these records are older, 47% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated2017 · median 2016 among the 480 with a school on file
- Record last updated2020 · 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 Corpus Christi → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Karen Gonzalez, DTCorpus Christi, TX 784041629211420
- Laura Griffiths, DTCorpus Christi, TX 784041790959278
- Ursula Kolenovsky, DTCorpus Christi, TX 784041326282062
- Bethani Lee, MS, RDN, LDCorpus Christi, TX 784041679041511
- Margo Lopez, MS, RDN, LDCorpus Christi, TX 784041679302103
- Aaron Owens, DTCorpus Christi, TX 784041518188200
- Colton ScottCorpus Christi, TX 784041811618119
- Hilda Vargas-Wade, RDNCorpus Christi, TX 784041417830035
Common questions
What is John Gregory Massengale's NPI number?
John Gregory Massengale's National Provider Identifier (NPI) is 1568084028, issued on May 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John Gregory Massengale located?
The NPPES record lists a practice address at 522 Hancock Ave Apt 122, Corpus Christi, TX, 78404. Phone: (972) 979-0514. Providers update this record themselves, so call before visiting.
How can I verify John Gregory Massengale's license?
NPPES lists Texas license number DT85886, 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.
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.