Dr. Joseph Gregory Barker, MD
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $36
- Medical groups
- 2
- Practice address
- 114 Charlois Blvd, Winston Salem, NC 27103
- Practice phone
- Call (336) 765-5470
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Novant Health Medical Group
Winston Salem, North Carolina
Find Dr. Barker'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. Joseph Gregory Barker is an OB-GYN in Winston Salem, North Carolina
Dr. Barker practices at Novant Health Medical Group in Winston Salem, North Carolina.
Dr. Barker's NPI, 1659725075, was assigned on April 21, 2016. Dr. Barker holds North Carolina license 2020-02541.
- NPI
- 1659725075NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608169826
- NPI enumeration date
- April 21, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (336) 765-5470
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Gregory Barker practices at Novant Health Medical Group in Winston Salem, North Carolina
Dr. Barker's primary practice is Novant Health Medical Group, at 114 Charlois Blvd, Winston Salem, NC 27103 in Forsyth County. The practice phone is (336) 765-5470.
- Novant Health Medical Group114 Charlois Blvd, Winston Salem, NC 27103 · Forsyth CountyPhone(336) 765-5470
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Gregory Barker is affiliated with 4 sites of care and 2 medical groups
Dr. Barker's primary practice is Novant Health Medical Group in Winston Salem, North Carolina. Dr. Barker is also affiliated with Novant Health Forsyth Medical Center. The medical group on file is Novant Health Indian Land Primary Care. Dmand AI also links Dr. Barker to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joseph Gregory Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Novant Health Medical Group | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Gregory Barker is one of 1,311 OB-GYNs in North Carolina
Obstetrics and gynecology is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Barker is licensed in North Carolina.
Specialties and state licenses
- Obstetrics and gynecology, North CarolinaPrimary
OB-GYNs near Dr. Barker
Counts of OB-GYNs 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. Joseph Gregory Barker treated 19 Medicare patients in 2024, average age 68
CMS counts 19 Medicare patients who saw Dr. Barker in 2024. The largest group is 85 and over, with 0 patients. 58% of them have high blood pressure. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Barker's median patient age at 35, with 99% women.
Dr. Barker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Barker's Medicare patients, 2024
- High blood pressure58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Barker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Gregory Barker wrote 100 Medicare Part D claims in 2024
In 2024, Dr. Barker wrote 100 Medicare Part D claims for 40 patients. 89% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $456 in total drug cost. In 2021, CMS named 52 claims across 4 drugs.
Dr. Barker's Part D claims by kind of drug, 2024
- Generic89 claims89%
- Brand-name11 claims11%
Dr. Barker's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 522022: 1865%
Drugs named by CMS: 1 in 2022, 4 in 2021.
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. Joseph Gregory Barker takes part in Medicare
Dr. Barker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joseph Gregory Barker received $36 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Barker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $36.
Companies that paid Dr. Barker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joseph Gregory Barker'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 Data |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Joseph Gregory Barker
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. Joseph Gregory Barker's NPI number?
Dr. Joseph Gregory Barker's NPI number is 1659725075. It was assigned on April 21, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Gregory Barker?
Dr. Joseph Gregory Barker is an OB-GYN in Winston Salem, North Carolina. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Joseph Gregory Barker practice?
Dr. Barker practices at 114 Charlois Blvd, Winston Salem, NC 27103. Dr. Barker's primary practice is Novant Health Medical Group in Winston Salem, North Carolina. Dmand AI also links Dr. Barker to 2 group practices and clinics and 1 medical group.
What is Dr. Joseph Gregory Barker's office phone number?
The practice phone on file for Dr. Barker is (336) 765-5470.
What is Dr. Joseph Gregory Barker's medical license number?
Dr. Barker holds North Carolina license 2020-02541.
Which hospitals is Dr. Joseph Gregory Barker affiliated with?
Dr. Barker is affiliated with Novant Health Forsyth Medical Center.
What medical group is Dr. Joseph Gregory Barker part of?
Dr. Barker is linked to Novant Health Indian Land Primary Care. Dmand AI links Dr. Barker to 1 more medical group.
Does Dr. Joseph Gregory Barker accept Medicare?
Yes. CMS lists Dr. Barker as accepting Medicare assignment.
How many Medicare patients does Dr. Joseph Gregory Barker see?
CMS counts 19 Medicare patients who saw Dr. Barker in 2024, with an average age of 68.
What drugs does Dr. Joseph Gregory Barker prescribe most?
In 2022 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Ibuprofen.
Has Dr. Joseph Gregory Barker received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Dr. Barker from 1 company from 2025 to 2025. The largest total came from Hologic Inc.
How long has Dr. Joseph Gregory Barker been practicing?
Dr. Barker graduated from medical school in 2016, 10 years ago.
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