Dr. Michael John Barker, MD
- Medicare services, 2017
- 92
- Part D claims, 2017
- 47
- Clinical trials
- 1
- Hospital affiliations
- 1
- Industry payments
- $3,392
- Practice address
- 1201 Broad Rock Boulevard, Richmond, VA 23249
- Practice phone
- Call (804) 675-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Michael John Barker is a general surgeon in Richmond, Virginia
Dr. Barker practices at Richmond VA Medical Center in Richmond, Virginia, part of Veterans Health Administration.
Dr. Barker's NPI, 1952378549, was assigned on March 2, 2006. Dr. Barker graduated from SUNY Downstate Health Sciences University in 1998. Dr. Barker holds Virginia license 0101223190.
- NPI
- 1952378549NPI Registry (opens in a new tab)
- NPI enumeration date
- March 2, 2006
- NPI status
- Active
- Practice phone
- (804) 675-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael John Barker practices at Richmond VA Medical Center in Richmond, Virginia
Dr. Barker's primary practice is Richmond VA Medical Center, at 1201 Broad Rock Boulevard, Richmond, VA 23249 in Richmond City. The practice phone is (804) 675-5000.
- Richmond VA Medical Center1201 Broad Rock Boulevard, Richmond, VA 23249 · Richmond CityPhone(804) 675-5000
Source: Dmand AI Affiliation Data
Dr. Michael John Barker is affiliated with 1 site of care
Dr. Barker's primary practice is Richmond VA Medical Center in Richmond, Virginia, part of Veterans Health Administration. Dr. Barker'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. Michael John Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael John Barker is one of 739 general surgeons in Virginia
Surgery is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Barker is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Barker's licenses on file in 3 states: Virginia, North Carolina and South Carolina.
Specialties and state licenses
- Surgery, VirginiaPrimary
- North Carolina license
- South Carolina license
General surgeons near Dr. Barker
Counts of general surgeons 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. Michael John Barker billed Medicare for 92 services in 2017
CMS data shows 92 Medicare services from Dr. Barker across 5 procedure codes in 2017. Medicare paid $7,328 for them.
Dr. Barker's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1482017: 9238%
Where Dr. Barker's Medicare services took place, 2017
- In an office6166%
- In a facility3134%
Dr. Barker compared with the Virginia median for general surgeons, 2017
- Dr. Barker
- Virginia median
- Medicare services
- 92vs 19052% below
- Part D claims
- 47vs 3438% above
Medians across 667 general surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Barker's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Barker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barker and other general surgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael John Barker's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Barker's median patient age at 61, with 67% women.
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 61
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Michael John Barker wrote 47 Medicare Part D claims in 2017
In 2017, Dr. Barker wrote 47 Medicare Part D claims. They cover 3 drugs, with $440 in total drug cost. In 2016, CMS named 24 claims across 2 drugs.
Dr. Barker's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 242017: 4796%
Drugs named by CMS: 3 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Michael John Barker has worked on 1 clinical trial
Dmand AI links Dr. Barker to 1 clinical trial.
Investigators on the most trials with Dr. Barker
- Cade Coleman Cinnamond, DO1 shared trial
- Andrew B. Gentry, MD1 shared trial
- Ellie Chiwon Kho Mentler, MD1 shared trial
Recent clinical trials with Dr. Barker
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael John Barker received $3,392 in industry payments from 2016 to 2025
CMS Open Payments shows 48 general payments to Dr. Barker from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Medical Device Business Services, Inc. paid the most, $945.
General payments to Dr. Barker by program year, 2016 to 2025
General payments to Dr. Barker by kind, 2016 to 2025
- Food and beverage$2,37770%
- Travel and lodging$1,01530%
Companies that paid Dr. Barker 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. Michael John Barker has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Barker, most recently Fellow (FASMBS) in 2017.
Awards and honors for Dr. Barker
- 2017
- Fellow (FASMBS)
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Michael John Barker graduated from SUNY Downstate Health Sciences University
Dr. Barker graduated from SUNY Downstate Health Sciences University in 1998. Dr. Barker is a member of ACS, ASMBS, Association of VA Surgeons, SAGES and Virginia Bariatric Society.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Michael John Barker accepts plans from 1 insurance carrier
Dr. Barker is in network with 1 carrier, including Molina. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Molina
Plan types Dr. Barker accepts, by number of carriers
- HMO1
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael John 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 | 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Michael John 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. Michael John Barker's NPI number?
Dr. Michael John Barker's NPI number is 1952378549. It was assigned on March 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Barker?
Dr. Michael John Barker is a general surgeon in Richmond, Virginia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael John Barker practice?
Dr. Barker practices at 1201 Broad Rock Boulevard, Richmond, VA 23249. Dr. Barker's primary practice is Richmond VA Medical Center in Richmond, Virginia, part of Veterans Health Administration.
What is Dr. Michael John Barker's office phone number?
The practice phone on file for Dr. Barker is (804) 675-5000.
What is Dr. Michael John Barker's medical license number?
Dr. Barker holds Virginia license 0101223190, one of the licenses on file in 3 states.
Which states has Dr. Michael John Barker been licensed in?
Dmand AI has state licenses on file for Dr. Barker in Virginia (2000 to 2026), North Carolina (2006 to 2026) and South Carolina (2017 to 2021).
Which hospitals is Dr. Michael John Barker affiliated with?
Dr. Barker practices at Richmond VA Medical Center in Richmond, Virginia.
Does Dr. Michael John Barker accept Medicare?
Yes. CMS data shows Dr. Barker billed Medicare for 92 services in 2017.
Is Dr. Michael John Barker board certified?
Yes. Dr. Barker is board certified in surgery by the American Board of Surgery.
What services does Dr. Michael John Barker bill to Medicare?
In 2017, Dr. Barker's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and hospital inpatient care (99231).
Show 6 more questionsShow fewer questions
Where did Dr. Michael John Barker go to medical school?
Dr. Barker graduated from SUNY Downstate Health Sciences University in 1998.
What drugs does Dr. Michael John Barker prescribe most?
In 2017 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Hydromorphone HCl, Ondansetron ODT and Pantoprazole Sodium.
Has Dr. Michael John Barker received payments from drug or device companies?
CMS Open Payments shows $3,392 in general payments to Dr. Barker from 17 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Michael John Barker been practicing?
Dr. Barker graduated from medical school in 1998, 28 years ago.
Does Dr. Michael John Barker do research?
Dr. Barker has worked on 1 clinical trial.
What insurance does Dr. Michael John Barker accept?
Dr. Barker is in network with 1 carrier, including Molina. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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