Mary Marchana Johnson, RD
Registered Dietitian · San Antonio, TX
Mary Marchana Johnson, RD is a registered dietitian with a practice address in San Antonio, Texas, and NPI 1770772501, issued on Oct 17, 2007. Check the license with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Marchana Johnson
- Credential
- RD
- Primary taxonomy
- Registered Dietitian 133V00000X
- Practice location
- 1777 NE Interstate 410 Loop, San Antonio, TX 78217
- Phone
- (843) 267-7662
- Enumerated
- Oct 17, 2007
- Record last updated
- Aug 15, 2024
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 5,099 in Texas → Look up another NPI →
Also registered at 1777 NE Interstate 410 Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Marchana Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Marchana Johnson among 5,099 registered dietitian records in Texas
Mary Marchana Johnson, RD 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 not. Its NPI, issued in 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 90% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2024 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,099 in Texas → Every provider in San Antonio → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Jessica Acosta, MS, RD, LDSan Antonio, TX 782171609091040
- Ana Brea, MS, RDN, LDSan Antonio, TX 782171417459553
- Anna Dean, RD, LDSan Antonio, TX 782171356650691
- Melanie Machingo, RDSan Antonio, TX 782171407116346
- Cherri Rubio, LMNT, MS, RD, LDSan Antonio, TX 782171700862604
- Rhaizza Velasquez-Garcia, RDSan Antonio, TX 782171326689647
- Celinda CanalesSan Antonio, TX 782181881527794
- Jill EbarbSan Antonio, TX 782161346702487
Common questions
What is Mary Marchana Johnson, RD's NPI number?
Mary Marchana Johnson, RD's National Provider Identifier (NPI) is 1770772501, issued on Oct 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Marchana Johnson, RD located?
The NPPES record lists a practice address at 1777 NE Interstate 410 Loop, San Antonio, TX, 78217. Phone: (843) 267-7662. Providers update this record themselves, so call before visiting.
How can I verify Mary Marchana Johnson, RD's license?
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. 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.