Gregory Evan Rumph, MD
Internal Medicine Physician · Houston, TX
Gregory Evan Rumph, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1407857725, issued on Aug 9, 2005. Check the license (Texas N0420, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Evan Rumph
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- N0420 TX
026653 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1504 Taub Loop, Houston, TX 77030
- Phone
- (713) 873-2626
- Enumerated
- Aug 9, 2005
- Record last updated
- Aug 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 1065064 LA
- Medicare enrollment
- Enrolled (PECOS I20081006000295); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1504 Taub Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Evan Rumph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N0420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
193 Medicare Part D claims for 136 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
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.
Bills Medicare through 2 group practices
- Barrier Reef Emergency Physicians PLLCGalveston, TX
- Velasco Inpatient Services PLLCAngleton, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Evan Rumph among 9,175 internal medicine physician records in Texas
Gregory Evan Rumph, 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 fileYes · 66% of these records are
- Graduated2003 · median 2004 among the 6,088 with a school on file
- Record last updated2010 · 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).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
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- Betty Halpern, MDHouston, TX 770301942292685
Common questions
What is Gregory Evan Rumph, MD's NPI number?
Gregory Evan Rumph, MD's National Provider Identifier (NPI) is 1407857725, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Evan Rumph, MD located?
The NPPES record lists a practice address at 1504 Taub Loop, Houston, TX, 77030. Phone: (713) 873-2626. Providers update this record themselves, so call before visiting.
How can I verify Gregory Evan Rumph, MD's license?
NPPES lists Texas license number N0420, 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 Gregory Evan Rumph, MD prescribe under Medicare Part D?
In 2024, Gregory Evan Rumph, MD had 193 Medicare Part D claims for 136 beneficiaries; 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.