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Dr. Gregory Evan Rumph, MD
- Medicare services, 2024
- 347
- Medicare patients, 2024
- 293
- Part D claims, 2024
- 193
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 301 University Boulevard, Galveston, TX 77555
- Practice phone
- Call (409) 772-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rumph's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Evan Rumph is an internist in Galveston, Texas
Dr. Rumph practices at John Sealy Hospital in Galveston, Texas, part of The University of Texas System.
Dr. Rumph's NPI, 1407857725, was assigned on August 9, 2005. Dr. Rumph graduated from University Of Kentucky College Of Medicine in 2003. Dr. Rumph holds Texas license N0420.
- NPI
- 1407857725NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628173622
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (409) 772-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Evan Rumph practices at John Sealy Hospital in Galveston, Texas
Dr. Rumph's primary practice is John Sealy Hospital, at 301 University Boulevard, Galveston, TX 77555 in Galveston County. The practice phone is (409) 772-1011.
- John Sealy Hospital301 University Boulevard, Galveston, TX 77555 · Galveston CountyPhone(409) 772-1011
Source: Dmand AI Affiliation Data
Dr. Gregory Evan Rumph is affiliated with 3 sites of care and 4 medical groups
Dr. Rumph's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. Dr. Rumph is also affiliated with Harris Health Ben Taub Hospital. The medical group on file is Barrier Reef Emergency Physicians. Dmand AI also links Dr. Rumph to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Evan Rumph's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rumph practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Sealy Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Texas System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Evan Rumph is one of 8,437 internists in Texas
Internal medicine is Dr. Rumph's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rumph is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Rumph's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Emergency medicine, Louisiana
Clinical focus
Dmand AI lists atrial fibrillation and flutter, chronic hypertension and intermittent racing heartbeat (PSVT) among the conditions Dr. Rumph treats.
Internists near Dr. Rumph
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Evan Rumph billed Medicare for 347 services in 2024
CMS data shows 347 Medicare services from Dr. Rumph across 4 procedure codes in 2024, for 293 Medicare patients. Medicare paid $39,562 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rumph's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2782024: 30510%
- Tests and treatments
- 2023: 162024: 42163%
Dr. Rumph compared with the Texas median for internists, 2024
- Dr. Rumph
- Texas median
- Medicare services
- 347vs 53936% below
- Medicare patients
- 293vs 19054% above
- Part D claims
- 53vs 28982% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Rumph's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Rumph?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rumph and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Evan Rumph treated 293 Medicare patients in 2024, average age 73
CMS counts 293 Medicare patients who saw Dr. Rumph in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.16, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Rumph's median patient age at 58, with 50% women.
Dr. Rumph's Medicare patients by age, 2024
Dr. Rumph's Medicare patients by sex, 2024
- Women15754%
- Men13646%
Chronic conditions among Dr. Rumph's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis50%
- Ischemic heart disease43%
- Heart failure41%
- Chronic kidney disease40%
- Diabetes37%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rumph's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Evan Rumph wrote 193 Medicare Part D claims in 2024
In 2024, Dr. Rumph wrote 193 Medicare Part D claims for 136 patients. 89% of them were for generic drugs. CMS names the drug for 53 of them, across 4 drugs with 11 or more claims each, at $206 in total drug cost. In 2022, CMS named 40 claims across 3 drugs.
Dr. Rumph's Part D claims by kind of drug, 2024
- Generic172 claims89%
- Brand-name and other21 claims11%
Dr. Rumph's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Rumph's Part D claims, 2024
- Opioids11%21 of 193 claims
- Antibiotics24%46 of 193 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 402023: 5333%
Drugs named by CMS: 4 in 2023, 3 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory Evan Rumph takes part in Medicare
Dr. Rumph accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Evan Rumph has 1 publication on record
Dmand AI links 1 paper to Dr. Rumph in 2023. Dr. Rumph's most frequent co-authors are Dietrich Jehle, MD and Donna Mendez, MD.
Dr. Rumph's most frequent co-authors
Recent publications by Dr. Rumph
See who Dr. Rumph researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rumph works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Evan Rumph received $22 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Rumph from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. The Medicines Company paid the most, $22.
Companies that paid Dr. Rumph the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Evan Rumph has 1 award and honors on record
Dmand AI lists 1 award for Dr. Rumph.
Awards and honors for Dr. Rumph
- Undated
- Fellow
Source: Dmand AI Professional Profile Data
Dr. Gregory Evan Rumph graduated from University Of Kentucky College Of Medicine
Dr. Rumph graduated from University Of Kentucky College Of Medicine in 2003. Dr. Rumph is a member of ACEP and ACP.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory Evan Rumph accepts plans from 16 insurance carriers
Dr. Rumph is in network with 16 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- +8 more carriersWith a free account
Plan types Dr. Rumph accepts, by number of carriers
- HMO10
- PPO9
- POS5
- EPO4
- Medicare4
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Evan Rumph's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Evan Rumph
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Evan Rumph's NPI number?
Dr. Gregory Evan Rumph's NPI number is 1407857725. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Evan Rumph?
Dr. Gregory Evan Rumph is an internist in Galveston, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory Evan Rumph practice?
Dr. Rumph practices at 301 University Boulevard, Galveston, TX 77555. Dr. Rumph's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. Dmand AI also links Dr. Rumph to 3 medical groups and 1 group practice or clinic.
What is Dr. Gregory Evan Rumph's office phone number?
The practice phone on file for Dr. Rumph is (409) 772-1011.
What is Dr. Gregory Evan Rumph's medical license number?
Dr. Rumph holds Texas license N0420, one of the licenses on file in 2 states.
Which states has Dr. Gregory Evan Rumph been licensed in?
Dmand AI has state licenses on file for Dr. Rumph in Texas (2008 to 2026) and Louisiana (2004 to 2009).
Which hospitals is Dr. Gregory Evan Rumph affiliated with?
Dr. Rumph practices at John Sealy Hospital in Galveston, Texas. Dr. Rumph is also affiliated with Harris Health Ben Taub Hospital.
What medical group is Dr. Gregory Evan Rumph part of?
Dr. Rumph is linked to Barrier Reef Emergency Physicians. Dmand AI links Dr. Rumph to 3 more medical groups.
Does Dr. Gregory Evan Rumph accept Medicare?
Yes. CMS data shows Dr. Rumph billed Medicare for 347 services in 2024, and Dr. Rumph accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Evan Rumph see?
CMS counts 293 Medicare patients who saw Dr. Rumph in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Gregory Evan Rumph board certified?
Yes. Dr. Rumph is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Gregory Evan Rumph bill to Medicare?
In 2024, Dr. Rumph's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Gregory Evan Rumph go to medical school?
Dr. Rumph graduated from University Of Kentucky College Of Medicine in 2003.
What drugs does Dr. Gregory Evan Rumph prescribe most?
In 2023 Medicare Part D data, Dr. Rumph's most prescribed drugs by claims were Prednisone, Methocarbamol and Ondansetron ODT.
Has Dr. Gregory Evan Rumph received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Rumph from 1 company from 2016 to 2016. The largest total came from The Medicines Company.
How long has Dr. Gregory Evan Rumph been practicing?
Dr. Rumph graduated from medical school in 2003, 23 years ago.
Does Dr. Gregory Evan Rumph do research?
Dmand AI links 1 publication to Dr. Rumph.
Who does Dr. Gregory Evan Rumph publish with?
Dr. Rumph's most frequent co-authors are Dietrich Jehle, MD (1 shared paper) and Donna Mendez, MD (1 shared paper).
What insurance does Dr. Gregory Evan Rumph accept?
Dr. Rumph is in network with 16 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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