John Richard Porter, MD
Internal Medicine Physician · Corpus Christi, TX
John Richard Porter, MD is an internal medicine physician with a practice address in Corpus Christi, Texas, and NPI 1184606808, issued on Nov 17, 2005. Check the license (Texas D6133, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Richard Porter
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D6133 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4617 Greenwood Dr, Corpus Christi, TX 78416
- Phone
- (361) 857-2872
- Enumerated
- Nov 17, 2005
- Record last updated
- Jan 2, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (361) 857-2946
- Medicaid ID
- 123843806 TX
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 4617 Greenwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Richard Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D6133Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
45 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Richard Porter among 9,175 internal medicine physician records in Texas
John Richard Porter, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2017 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 internal medicine physician records list a practice address in Corpus Christi
They are 99 of the 5,600 NPPES records with a practice address in Corpus Christi, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Corpus Christi → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kyin Hlaing, MDCorpus Christi, TX 784161649681776
- Jennifer ContrerasCorpus Christi, TX 784151750849535
- Burcham Fuqua, MDCorpus Christi, TX 784151396727392
- Blanca Gray, MDCorpus Christi, TX 784151811905789
- Anna Liza Maglinte, MDCorpus Christi, TX 784151861735060
- Samuel Oloyo, M.D.Corpus Christi, TX 784151891732715
- Michele Raglin, MDCorpus Christi, TX 784151326084211
- Davy Shepherd, DOCorpus Christi, TX 784151457810715
Common questions
What is John Richard Porter, MD's NPI number?
John Richard Porter, MD's National Provider Identifier (NPI) is 1184606808, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Richard Porter, MD located?
The NPPES record lists a practice address at 4617 Greenwood Dr, Corpus Christi, TX, 78416. Phone: (361) 857-2872. Providers update this record themselves, so call before visiting.
How can I verify John Richard Porter, MD's license?
NPPES lists Texas license number D6133, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Richard Porter, MD prescribe under Medicare Part D?
In 2024, John Richard Porter, MD had 45 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions 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.