Dr. Gregory L. Barkley, MD
- Medicare services, 2024
- 236
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 6,618
- Publications
- 55
- Clinical trials
- 2
- Practice address
- 2799 W Grand Blvd, Detroit, MI 48202
- Practice phone
- Call (313) 916-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Barkley'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 L. Barkley is a neurologist in Detroit, Michigan
Dr. Barkley practices at Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health.
Dr. Barkley's NPI, 1851466593, was assigned on November 21, 2006. Dr. Barkley graduated from College of Human Medicine - Grand Rapids in 1981. Dr. Barkley holds Michigan license 4301045745.
- NPI
- 1851466593NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486784220
- NPI enumeration date
- November 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (313) 916-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory L. Barkley practices at Henry Ford Hospital in Detroit, Michigan
Dr. Barkley's primary practice is Henry Ford Hospital, at 2799 W Grand Blvd, Detroit, MI 48202 in Wayne County. The practice phone is (313) 916-2600.
- Henry Ford Hospital2799 W Grand Blvd, Detroit, MI 48202 · Wayne CountyPhone(313) 916-2600
Source: Dmand AI Affiliation Data
Dr. Gregory L. Barkley is affiliated with 2 sites of care and 1 medical group
Dr. Barkley's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health. Dr. Barkley is also affiliated with Henry Ford West Bloomfield Hospital. The medical group on file is Henry Ford Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory L. Barkley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barkley practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henry Ford Hospital | Available with a free account |
| +1 more affiliated site | 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 Henry Ford Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory L. Barkley is one of 642 neurologists in Michigan
Neurology is Dr. Barkley's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Barkley is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Barkley's licenses on file in 2 states: Michigan and Florida.
Specialties and state licenses
- Neurology, MichiganPrimary
- Florida license
Clinical focus
Dmand AI lists epilepsy, essential tremor, fibromyalgia and chronic pain, hypersomnia, migraine and chronic headache, multiple sclerosis, muscle pain, fibromyalgia, and limb pain and neck pain and spine problems among the conditions Dr. Barkley treats.
Neurologists near Dr. Barkley
Counts of neurologists 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 L. Barkley billed Medicare for 236 services in 2024
CMS data shows 236 Medicare services from Dr. Barkley across 5 procedure codes in 2024, for 110 Medicare patients. Medicare paid $12,048 for them.
Dr. Barkley's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 852024: 11940%
- Office and hospital visits
- 2023: 1072024: 7926%
- Tests and treatments
- 2023: 02024: 38
Where Dr. Barkley's Medicare services took place, 2024
- In an office146%
- In a facility22294%
Dr. Barkley compared with the Michigan median for neurologists, 2024
- Dr. Barkley
- Michigan median
- Medicare services
- 236vs 27013% below
- Medicare patients
- 110vs 16835% below
- Part D claims
- 6,189vs 41614.9 times
Medians across 602 neurologists in Michigan with Dmand AI profiles that report each measure.
Dr. Barkley'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.
Need commercial claims for Dr. Barkley?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barkley and other neurologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory L. Barkley treated 110 Medicare patients in 2024, average age 63
CMS counts 110 Medicare patients who saw Dr. Barkley in 2024. The largest group is under 65, with 48 patients. 69% of them have high blood pressure, and 58% have high cholesterol. 42% are also on Medicaid. 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. Barkley's median patient age at 59, with 58% women.
Dr. Barkley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Barkley's Medicare patients by sex, 2024
- Women6357%
- Men4743%
Chronic conditions among Dr. Barkley's Medicare patients, 2024
- High blood pressure69%
- High cholesterol58%
- Anxiety48%
- Mood disorders48%
- Arthritis42%
- Diabetes37%
- Depression36%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Barkley'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
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory L. Barkley wrote 6,618 Medicare Part D claims in 2024
In 2024, Dr. Barkley wrote 6,618 Medicare Part D claims for 363 patients. 83% of them were for generic drugs. CMS names the drug for 6,189 of them, across 89 drugs with 11 or more claims each, at $3,307,059 in total drug cost. In 2023, CMS named 5,923 claims across 93 drugs.
Dr. Barkley's Part D claims by kind of drug, 2024
- Generic5,499 claims83%
- Brand-name1,034 claims16%
- Other85 claims1%
Dr. Barkley'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. Barkley's Part D claims, 2024
- Opioids6%420 of 6,618 claims
- Antipsychotics, patients 65 and over1%74 of 6,618 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: 5,9232024: 6,1894%
Drugs named by CMS: 89 in 2024, 93 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
Dr. Gregory L. Barkley offers telehealth to Medicare patients
Dr. Barkley accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Barkley as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory L. Barkley has 55 publications on record
Dmand AI links 55 papers to Dr. Barkley, published from 2006 to 2021. 2015 was the busiest year, with 6. The most frequent topics are Magnetoencephalography, Epilepsy and Electroencephalography. Dr. Barkley has published most often in Epilepsy Behav. Dr. Barkley's most frequent co-authors are Bruce Howard Cohen, MD, Carl W. Bazil, MD, PhD and Gregory Kent Bergey, MD.
Dr. Barkley's papers by year, 2009 to 2021
Topics Dr. Barkley writes about most
- Magnetoencephalography
- Epilepsy
- Electroencephalography
- Anticonvulsants
- Brain
- Brain Mapping
- Seizures
- Cortical Spreading Depression
Dr. Barkley's most frequent co-authors
- Bruce Howard Cohen, MD5 shared papers
- Carl W. Bazil, MD, PhD3 shared papers
- Gregory Kent Bergey, MD3 shared papers
Recent publications by Dr. Barkley
See who Dr. Barkley researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barkley works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory L. Barkley has worked on 2 clinical trials
Dmand AI links Dr. Barkley to 2 clinical trials. Conditions studied include Epilepsy, Seizures and Brain Diseases.
Conditions in Dr. Barkley's trials
- Epilepsy
- Seizures
- Brain Diseases
Investigators on the most trials with Dr. Barkley
- Elizabeth Erway Gerard, MD1 shared trial
- Ryder P. Gwinn, MD1 shared trial
- Laura Ann Kalayjian, MD1 shared trial
Recent clinical trials with Dr. Barkley
RNS® System Feasibility Study (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Gregory L. Barkley received $1,357 in industry payments from 2017 to 2019
CMS Open Payments shows 7 general payments to Dr. Barkley from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 57% of the total. Neuropace, Inc. paid the most, $1,300.
General payments to Dr. Barkley by program year, 2017 to 2019
General payments to Dr. Barkley by kind, 2017 to 2019
- Food and beverage$77257%
- Travel and lodging$58543%
Companies that paid Dr. Barkley the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory L. Barkley has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Barkley, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Barkley
- 2014
- America's Top Doctors
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Gregory L. Barkley graduated from College of Human Medicine - Grand Rapids
Dr. Barkley graduated from College of Human Medicine - Grand Rapids in 1981. Dr. Barkley is a member of AAN.
- Medical school
- Board certified in clinical neurophysiology
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Gregory L. Barkley accepts plans from 14 insurance carriers
Dr. Barkley is in network with 14 carriers, including Aetna, Elevance and Health Alliance Plan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Health Alliance Plan
- Priority Health
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Molina
- +6 more carriersWith a free account
Plan types Dr. Barkley accepts, by number of carriers
- Medicare11
- HMO10
- PPO9
- POS6
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory L. Barkley'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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Gregory L. Barkley
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 L. Barkley's NPI number?
Dr. Gregory L. Barkley's NPI number is 1851466593. It was assigned on November 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory L. Barkley?
Dr. Gregory L. Barkley is a neurologist in Detroit, Michigan. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Gregory L. Barkley practice?
Dr. Barkley practices at 2799 W Grand Blvd, Detroit, MI 48202. Dr. Barkley's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health.
What is Dr. Gregory L. Barkley's office phone number?
The practice phone on file for Dr. Barkley is (313) 916-2600.
What is Dr. Gregory L. Barkley's medical license number?
Dr. Barkley holds Michigan license 4301045745, one of the licenses on file in 2 states.
Which states has Dr. Gregory L. Barkley been licensed in?
Dmand AI has state licenses on file for Dr. Barkley in Michigan (1983 to 2026) and Florida (since 2020).
Which hospitals is Dr. Gregory L. Barkley affiliated with?
Dr. Barkley practices at Henry Ford Hospital in Detroit, Michigan. Dr. Barkley is also affiliated with Henry Ford West Bloomfield Hospital.
What medical group is Dr. Gregory L. Barkley part of?
Dr. Barkley is linked to Henry Ford Health.
Does Dr. Gregory L. Barkley accept Medicare?
Yes. CMS data shows Dr. Barkley billed Medicare for 236 services in 2024, and Dr. Barkley accepts Medicare assignment.
Does Dr. Gregory L. Barkley offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Barkley as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Gregory L. Barkley see?
CMS counts 110 Medicare patients who saw Dr. Barkley in 2024, with an average age of 63.
Is Dr. Gregory L. Barkley board certified?
Yes. Dr. Barkley is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.
What services does Dr. Gregory L. Barkley bill to Medicare?
In 2024, Dr. Barkley's most billed Medicare services were office visit, established patient (99215), medicare service (G2212) and medicare service (G2211).
Where did Dr. Gregory L. Barkley go to medical school?
Dr. Barkley graduated from College of Human Medicine - Grand Rapids in 1981.
What drugs does Dr. Gregory L. Barkley prescribe most?
In 2024 Medicare Part D data, Dr. Barkley's most prescribed drugs by claims were Lamotrigine, Clonazepam and Epidiolex.
Has Dr. Gregory L. Barkley received payments from drug or device companies?
CMS Open Payments shows $1,357 in general payments to Dr. Barkley from 2 companies from 2017 to 2019. The largest total came from Neuropace, Inc.
How long has Dr. Gregory L. Barkley been practicing?
Dr. Barkley graduated from medical school in 1981, 45 years ago.
Does Dr. Gregory L. Barkley do research?
Dmand AI links 55 publications to Dr. Barkley, published from 2006 to 2021. Dr. Barkley has worked on 2 clinical trials.
Who does Dr. Gregory L. Barkley publish with?
Dr. Barkley's most frequent co-authors are Bruce Howard Cohen, MD (5 shared papers), Carl W. Bazil, MD, PhD (3 shared papers) and Gregory Kent Bergey, MD (3 shared papers).
What insurance does Dr. Gregory L. Barkley accept?
Dr. Barkley is in network with 14 carriers, including Aetna, Elevance and Health Alliance Plan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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