Dr. Gregory Evan Rumph, MD

  • Galveston, TX
  • Internist
NPI1407857725PAC ID8628173622
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
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Personal email
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Mobile number
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Social profiles

Primary practice

John Sealy Hospital

Hospital · Galveston, Texas

See all 7 affiliations

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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 and contact details
Medicare PAC ID
8628173622
NPI enumeration date
August 9, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(409) 772-1011
Professional email
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Personal email
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Mobile number
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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 Hospital
    301 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.

See all 7 affiliations for Dr. Rumph

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.

EHR by site
SiteEHR vendor and product
John Sealy HospitalAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, TexasPrimaryLicense N0420 · 2008 to 2026 · taxonomy 207R00000X
  • Emergency medicine, LouisianaLicense 026653 · 2004 to 2009 · taxonomy 207P00000X

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.

Medicare services, 2024347
Medicare patients293
Paid by Medicare$39,562
Procedure codes4

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.

See all procedures by Dr. Rumph

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rumph and other internists in Texas.

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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.

Medicare patients, 2024293
Average age73
Average risk score2.16
Also on Medicaid20%

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

  1. High blood pressure75%
  2. High cholesterol73%
  3. Arthritis50%
  4. Ischemic heart disease43%
  5. Heart failure41%
  6. Chronic kidney disease40%
  7. Diabetes37%
  8. 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.

Part D claims, 2024193
Drugs named by CMS4
Total drug cost$206
Part D patients136

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.

See all prescribing by Dr. Rumph

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.

Papers1

Dr. Rumph's most frequent co-authors

Recent publications by Dr. Rumph

See all 1 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Rumph

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

  1. 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.

  1. Medical schoolUniversity Of Kentucky College Of Medicine
  2. Board certified in emergency medicineAmerican Board of 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

  1. HMO10
  2. PPO9
  3. POS5
  4. EPO4
  5. Medicare4

Source: Dmand AI Insurance Network Data

Sources for Dr. Gregory Evan Rumph's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Selling to internal medicine practices?

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