Dr. Gregory S. Byrd, MD
- Medicare services, 2024
- 1,060
- Medicare patients, 2024
- 773
- Part D claims, 2024
- 12,714
- Publications
- 5
- Hospital affiliations
- 5
- Practice address
- 759 South Main Street, Woodstock, VA 22664
- Practice phone
- Call (540) 459-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Byrd'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 S. Byrd is an internist in Woodstock, Virginia
Dr. Byrd practices at Shenandoah Memorial Hospital in Woodstock, Virginia, part of Valley Health.
Dr. Byrd's NPI, 1396744488, was assigned on July 20, 2005. Dr. Byrd graduated from Eastern Virginia Medical School in 1990. Dr. Byrd holds Virginia license 0101052702.
- NPI
- 1396744488NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800704719
- NPI enumeration date
- July 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 459-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory S. Byrd practices at Shenandoah Memorial Hospital in Woodstock, Virginia
Dr. Byrd's primary practice is Shenandoah Memorial Hospital, at 759 South Main Street, Woodstock, VA 22664 in Shenandoah County. The practice phone is (540) 459-1100.
- Shenandoah Memorial Hospital759 South Main Street, Woodstock, VA 22664 · Shenandoah CountyPhone(540) 459-1100
Source: Dmand AI Affiliation Data
Dr. Gregory S. Byrd is affiliated with 7 sites of care and 4 medical groups
Dr. Byrd's primary practice is Shenandoah Memorial Hospital in Woodstock, Virginia, part of Valley Health. Dr. Byrd is also affiliated with Winchester Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Dr. Byrd to 3 more hospitals, 3 medical groups, 1 group practice or clinic and 1 home health agency, 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 S. Byrd's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Byrd practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shenandoah Memorial Hospital | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory S. Byrd is one of 3,339 internists in Virginia
Internal medicine is Dr. Byrd's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Byrd is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Byrd
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 S. Byrd billed Medicare for 1,060 services in 2024
CMS data shows 1,060 Medicare services from Dr. Byrd across 5 procedure codes in 2024, for 773 Medicare patients. Medicare paid $7,261 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Byrd's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7992024: 1,06033%
Dr. Byrd compared with the Virginia median for internists, 2024
- Dr. Byrd
- Virginia median
- Medicare services
- 1,060vs 60775% above
- Medicare patients
- 773vs 2463.1 times
- Part D claims
- 11,886vs 22453.1 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Byrd'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. Byrd and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory S. Byrd treated 773 Medicare patients in 2024, average age 77
CMS counts 773 Medicare patients who saw Dr. Byrd in 2024. The largest group is 75 to 84, with 298 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Byrd's median patient age at 72, with 54% women.
Dr. Byrd's Medicare patients by age, 2024
Dr. Byrd's Medicare patients by sex, 2024
- Women44958%
- Men32442%
Chronic conditions among Dr. Byrd's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Chronic kidney disease36%
- Anxiety34%
- Diabetes34%
- Ischemic heart disease34%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Byrd's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory S. Byrd wrote 12,714 Medicare Part D claims in 2024
In 2024, Dr. Byrd wrote 12,714 Medicare Part D claims for 780 patients. 85% of them were for generic drugs. CMS names the drug for 11,886 of them, across 169 drugs with 11 or more claims each, at $1,230,330 in total drug cost. In 2023, CMS named 10,196 claims across 163 drugs.
Dr. Byrd's Part D claims by kind of drug, 2024
- Generic10,767 claims85%
- Brand-name1,863 claims15%
- Other84 claims1%
Dr. Byrd'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. Byrd's Part D claims, 2024
- Opioids3%332 of 12,714 claims
- Antibiotics1%136 of 12,714 claims
- Antipsychotics, patients 65 and over1%106 of 12,714 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: 10,1962024: 11,88617%
Drugs named by CMS: 169 in 2024, 163 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 S. Byrd takes part in Medicare
Dr. Byrd 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 S. Byrd has 5 publications on record
Dmand AI links 5 papers to Dr. Byrd, published from 2015 to 2022. 2021 was the busiest year, with 2. Dr. Byrd's most frequent co-authors are Antonious S. Attallah, MD, Ryan Cosgrove, DO and Marc Steven Piper, MD.
Dr. Byrd's papers by year, 2015 to 2022
Dr. Byrd's most frequent co-authors
- Antonious S. Attallah, MD1 shared paper
- Ryan Cosgrove, DO1 shared paper
- Marc Steven Piper, MD1 shared paper
Recent publications by Dr. Byrd
Clin J Sport Med
See who Dr. Byrd researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Byrd 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 S. Byrd received $1,072 in industry payments from 2016 to 2025
CMS Open Payments shows 68 general payments to Dr. Byrd from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $174.
General payments to Dr. Byrd by program year, 2016 to 2025
Companies that paid Dr. Byrd the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory S. Byrd graduated from Eastern Virginia Medical School
Dr. Byrd graduated from Eastern Virginia Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory S. Byrd'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) |
| 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 S. Byrd
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 S. Byrd's NPI number?
Dr. Gregory S. Byrd's NPI number is 1396744488. It was assigned on July 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory S. Byrd?
Dr. Gregory S. Byrd is an internist in Woodstock, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory S. Byrd practice?
Dr. Byrd practices at 759 South Main Street, Woodstock, VA 22664. Dr. Byrd's primary practice is Shenandoah Memorial Hospital in Woodstock, Virginia, part of Valley Health. Dmand AI also links Dr. Byrd to 3 hospitals, 3 medical groups, 1 group practice or clinic and 1 home health agency.
What is Dr. Gregory S. Byrd's office phone number?
The practice phone on file for Dr. Byrd is (540) 459-1100.
What is Dr. Gregory S. Byrd's medical license number?
Dr. Byrd holds Virginia license 0101052702.
Which hospitals is Dr. Gregory S. Byrd affiliated with?
Dr. Byrd practices at Shenandoah Memorial Hospital in Woodstock, Virginia. Dr. Byrd is also affiliated with Winchester Medical Center. Dmand AI links Dr. Byrd to 3 more hospitals.
What medical group is Dr. Gregory S. Byrd part of?
Dr. Byrd is linked to Sound Physicians. Dmand AI links Dr. Byrd to 3 more medical groups.
Does Dr. Gregory S. Byrd accept Medicare?
Yes. CMS data shows Dr. Byrd billed Medicare for 1,060 services in 2024, and Dr. Byrd accepts Medicare assignment.
How many Medicare patients does Dr. Gregory S. Byrd see?
CMS counts 773 Medicare patients who saw Dr. Byrd in 2024, with an average age of 77.
What services does Dr. Gregory S. Byrd bill to Medicare?
In 2024, Dr. Byrd's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93272) and heart test or procedure (93227).
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Where did Dr. Gregory S. Byrd go to medical school?
Dr. Byrd graduated from Eastern Virginia Medical School in 1990.
What drugs does Dr. Gregory S. Byrd prescribe most?
In 2024 Medicare Part D data, Dr. Byrd's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Gregory S. Byrd received payments from drug or device companies?
CMS Open Payments shows $1,072 in general payments to Dr. Byrd from 21 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Gregory S. Byrd been practicing?
Dr. Byrd graduated from medical school in 1990, 36 years ago.
Does Dr. Gregory S. Byrd do research?
Dmand AI links 5 publications to Dr. Byrd, published from 2015 to 2022.
Who does Dr. Gregory S. Byrd publish with?
Dr. Byrd's most frequent co-authors are Antonious S. Attallah, MD (1 shared paper), Ryan Cosgrove, DO (1 shared paper) and Marc Steven Piper, MD (1 shared paper).
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