Dr. Gregory Loeb, MD
- Medicare services, 2024
- 697
- Medicare patients, 2024
- 563
- Part D claims, 2024
- 247
- Hospital affiliations
- 2
- Medical groups
- 5
- Practice address
- 1840 Amherst St, Winchester, VA 22601
- Practice phone
- Call (540) 536-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Loeb's professional email, personal email and mobile number
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Dr. Gregory Loeb is an emergency medicine physician in Winchester, Virginia
Dr. Loeb practices at Winchester Medical Center in Winchester, Virginia, part of Valley Health.
Dr. Loeb's NPI, 1649732215, was assigned on April 3, 2019. Dr. Loeb graduated from University of Maryland School of Medicine in 2019. Dr. Loeb holds Maryland license D0094504.
- NPI
- 1649732215NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163804337
- NPI enumeration date
- April 3, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 536-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Loeb practices at Winchester Medical Center in Winchester, Virginia
Dr. Loeb's primary practice is Winchester Medical Center, at 1840 Amherst St, Winchester, VA 22601 in Winchester City. The practice phone is (540) 536-8000.
- Winchester Medical Center1840 Amherst St, Winchester, VA 22601 · Winchester CityPhone(540) 536-8000
Source: Dmand AI Affiliation Data
Dr. Gregory Loeb is affiliated with 2 sites of care and 5 medical groups
Dr. Loeb's primary practice is Winchester Medical Center in Winchester, Virginia, part of Valley Health. Dr. Loeb is also affiliated with Warren Memorial Hospital. The medical group on file is Valley Health. Dmand AI also links Dr. Loeb to 4 more medical groups, each named with a free account. Dr. Loeb's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Loeb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeb practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Medical Center | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Loeb is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Loeb's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Loeb is licensed in Maryland.
Specialties and state licenses
- Emergency medicine, MarylandPrimary
Emergency medicine physicians near Dr. Loeb
Counts of emergency medicine physicians 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 Loeb billed Medicare for 697 services in 2024
CMS data shows 697 Medicare services from Dr. Loeb across 5 procedure codes in 2024, for 563 Medicare patients. Medicare paid $67,515 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Loeb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8382024: 58630%
- Tests and treatments
- 2023: 972024: 11114%
Dr. Loeb compared with the Virginia median for emergency medicine physicians, 2024
- Dr. Loeb
- Virginia median
- Medicare services
- 697vs 3112.2 times
- Medicare patients
- 563vs 30783% above
- Part D claims
- 122vs 592.1 times
Medians across 1,632 emergency medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Loeb'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Loeb treated 563 Medicare patients in 2024, average age 76
CMS counts 563 Medicare patients who saw Dr. Loeb in 2024. The largest group is 75 to 84, with 198 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.73, 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. Loeb's median patient age at 59, with 55% women.
Dr. Loeb's Medicare patients by age, 2024
Dr. Loeb's Medicare patients by sex, 2024
- Women31456%
- Men24944%
Chronic conditions among Dr. Loeb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Anxiety43%
- Chronic kidney disease40%
- Ischemic heart disease40%
- Mood disorders40%
- Diabetes38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Loeb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Loeb wrote 247 Medicare Part D claims in 2024
In 2024, Dr. Loeb wrote 247 Medicare Part D claims for 183 patients. 94% of them were for generic drugs. CMS names the drug for 122 of them, across 8 drugs with 11 or more claims each, at $961 in total drug cost. In 2023, CMS named 87 claims across 5 drugs.
Dr. Loeb's Part D claims by kind of drug, 2024
- Generic231 claims94%
- Brand-name and other16 claims6%
Dr. Loeb'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. Loeb's Part D claims, 2024
- Opioids9%21 of 247 claims
- Antibiotics34%83 of 247 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: 872024: 12240%
Drugs named by CMS: 8 in 2024, 5 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
How Dr. Gregory Loeb takes part in Medicare
Dr. Loeb 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 Loeb graduated from University of Maryland School of Medicine
Dr. Loeb graduated from University of Maryland School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Loeb'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) |
| 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 Loeb
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 Loeb's NPI number?
Dr. Gregory Loeb's NPI number is 1649732215. It was assigned on April 3, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Loeb?
Dr. Gregory Loeb is an emergency medicine physician in Winchester, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory Loeb practice?
Dr. Loeb practices at 1840 Amherst St, Winchester, VA 22601. Dr. Loeb's primary practice is Winchester Medical Center in Winchester, Virginia, part of Valley Health. Dmand AI also links Dr. Loeb to 4 medical groups.
What is Dr. Gregory Loeb's office phone number?
The practice phone on file for Dr. Loeb is (540) 536-8000.
What is Dr. Gregory Loeb's medical license number?
Dr. Loeb holds Maryland license D0094504.
Which hospitals is Dr. Gregory Loeb affiliated with?
Dr. Loeb practices at Winchester Medical Center in Winchester, Virginia. Dr. Loeb is also affiliated with Warren Memorial Hospital.
What medical group is Dr. Gregory Loeb part of?
Dr. Loeb is linked to Valley Health. Dmand AI links Dr. Loeb to 4 more medical groups.
Does Dr. Gregory Loeb accept Medicare?
Yes. CMS data shows Dr. Loeb billed Medicare for 697 services in 2024, and Dr. Loeb accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Loeb see?
CMS counts 563 Medicare patients who saw Dr. Loeb in 2024, with an average age of 76.
What services does Dr. Gregory Loeb bill to Medicare?
In 2024, Dr. Loeb's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
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Where did Dr. Gregory Loeb go to medical school?
Dr. Loeb graduated from University of Maryland School of Medicine in 2019.
What drugs does Dr. Gregory Loeb prescribe most?
In 2024 Medicare Part D data, Dr. Loeb's most prescribed drugs by claims were Cephalexin, Prednisone and Ondansetron HCl.
How long has Dr. Gregory Loeb been practicing?
Dr. Loeb graduated from medical school in 2019, 7 years ago.
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