Dr. Gregory J. Warth, MD
- Medicare services, 2024
- 72
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 1,849
- Hospital affiliations
- 1
- Industry payments
- $739
- Practice address
- 1060 1 Colonial Rd, Virginia Beach, VA 23454
- Practice phone
- Call (757) 395-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sentara Norfolk General Hospital
Virginia Beach, Virginia
Find Dr. Warth's professional email, personal email and mobile number
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Dr. Gregory J. Warth is an internist in Virginia Beach, Virginia
Dr. Warth practices at Sentara Norfolk General Hospital in Virginia Beach, Virginia.
Dr. Warth's NPI, 1730114471, was assigned on July 11, 2006. Dr. Warth graduated from Ohio State University College of Medicine in 1973. Dr. Warth holds Virginia license 0101027564.
- NPI
- 1730114471NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Practice phone
- (757) 395-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gregory J. Warth practices at Sentara Norfolk General Hospital in Virginia Beach, Virginia
Dr. Warth's primary practice is Sentara Norfolk General Hospital, at 1060 1 Colonial Rd, Virginia Beach, VA 23454 in Virginia Beach City. The practice phone is (757) 395-8000.
- Sentara Norfolk General Hospital1060 1 Colonial Rd, Virginia Beach, VA 23454 · Virginia Beach CityPhone(757) 395-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory J. Warth is affiliated with 2 sites of care and 1 medical group
Dr. Warth's primary practice is Sentara Norfolk General Hospital in Virginia Beach, Virginia. Dr. Warth is also affiliated with Sentara Virginia Beach General Hospital. The medical group on file is Virginia Beach Premier Medical.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory J. Warth's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warth practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Norfolk General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory J. Warth is one of 3,339 internists in Virginia
Internal medicine is Dr. Warth's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Warth is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Warth
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 J. Warth billed Medicare for 72 services in 2024
CMS data shows 72 Medicare services from Dr. Warth across 1 procedure code in 2024, for 23 Medicare patients. Medicare paid $4,225 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Warth's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1652024: 7256%
Dr. Warth compared with the Virginia median for internists, 2024
- Dr. Warth
- Virginia median
- Medicare services
- 72vs 60788% below
- Medicare patients
- 23vs 24691% below
- Part D claims
- 1,200vs 2245.4 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Warth'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warth and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory J. Warth treated 23 Medicare patients in 2024, average age 83
CMS counts 23 Medicare patients who saw Dr. Warth in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.83, 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. Warth's median patient age at 81, with 44% women.
Dr. Warth's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Warth's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Heart failure52%
- Chronic kidney disease48%
- Ischemic heart disease48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warth's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory J. Warth wrote 1,849 Medicare Part D claims in 2024
In 2024, Dr. Warth wrote 1,849 Medicare Part D claims for 151 patients. 84% of them were for generic drugs. CMS names the drug for 1,200 of them, across 49 drugs with 11 or more claims each, at $110,616 in total drug cost. In 2023, CMS named 3,246 claims across 103 drugs.
Dr. Warth's Part D claims by kind of drug, 2024
- Generic1,562 claims84%
- Brand-name267 claims14%
- Other20 claims1%
Dr. Warth's most prescribed drugs by claims, 2024
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. Warth's Part D claims, 2024
- Opioids2%45 of 1,849 claims
- Antibiotics4%71 of 1,849 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,2462024: 1,20063%
Drugs named by CMS: 49 in 2024, 103 in 2023.
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
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Dr. Gregory J. Warth received $739 in industry payments from 2016 to 2024
CMS Open Payments shows 33 general payments to Dr. Warth from 17 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $125.
General payments to Dr. Warth by program year, 2016 to 2024
Companies that paid Dr. Warth the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory J. Warth graduated from Ohio State University College of Medicine
Dr. Warth graduated from Ohio State University College of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory J. Warth'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 J. Warth
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 J. Warth's NPI number?
Dr. Gregory J. Warth's NPI number is 1730114471. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. Warth?
Dr. Gregory J. Warth is an internist in Virginia Beach, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory J. Warth practice?
Dr. Warth practices at 1060 1 Colonial Rd, Virginia Beach, VA 23454. Dr. Warth's primary practice is Sentara Norfolk General Hospital in Virginia Beach, Virginia.
What is Dr. Gregory J. Warth's office phone number?
The practice phone on file for Dr. Warth is (757) 395-8000.
What is Dr. Gregory J. Warth's medical license number?
Dr. Warth holds Virginia license 0101027564.
Which hospitals is Dr. Gregory J. Warth affiliated with?
Dr. Warth is affiliated with Sentara Virginia Beach General Hospital.
What medical group is Dr. Gregory J. Warth part of?
Dr. Warth is linked to Virginia Beach Premier Medical.
Does Dr. Gregory J. Warth accept Medicare?
Yes. CMS data shows Dr. Warth billed Medicare for 72 services in 2024.
How many Medicare patients does Dr. Gregory J. Warth see?
CMS counts 23 Medicare patients who saw Dr. Warth in 2024, with an average age of 83.
What services does Dr. Gregory J. Warth bill to Medicare?
In 2024, Dr. Warth's most billed Medicare services were hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Gregory J. Warth go to medical school?
Dr. Warth graduated from Ohio State University College of Medicine in 1973.
What drugs does Dr. Gregory J. Warth prescribe most?
In 2024 Medicare Part D data, Dr. Warth's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Levothyroxine Sodium.
Has Dr. Gregory J. Warth received payments from drug or device companies?
CMS Open Payments shows $739 in general payments to Dr. Warth from 17 companies from 2016 to 2024. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Gregory J. Warth been practicing?
Dr. Warth graduated from medical school in 1973, 53 years ago.
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