Michael D. Gregory
- Medicare services, 2022
- 24
- Medicare patients, 2024
- 16
- Publications
- 47
- Clinical trials
- 1
- MIPS score, 2024
- 83
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Michael Gregory's professional email, personal email and mobile number
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Michael D. Gregory is a neurologist in Falls Church, Virginia
Michael Gregory practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Michael Gregory's NPI, 1538386891, was assigned on April 19, 2007. Michael Gregory graduated from Rush Medical College of Rush University in 2005. Michael Gregory holds Rhode Island license LP00092.
- NPI
- 1538386891NPI Registry (opens in a new tab)
- NPI enumeration date
- April 19, 2007
- NPI status
- Active
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Michael D. Gregory practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Michael Gregory's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Michael D. Gregory is affiliated with 1 site of care and 1 medical group
Michael Gregory's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. The medical group on file is Inova Urgent Care Center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Michael D. Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Gregory practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael D. Gregory is one of 516 neurologists in Virginia
Neurology is Michael Gregory's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Michael Gregory is licensed in Rhode Island.
Specialties and state licenses
- Neurology, Rhode IslandPrimary
Neurologists near Michael Gregory
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
Michael D. Gregory billed Medicare for 24 services in 2022
CMS data shows 24 Medicare services from Michael Gregory across 1 procedure code in 2022, for 16 Medicare patients. Medicare paid $2,119 for them. Every service was in a facility, such as a hospital, rather than an office.
Michael Gregory's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 132022: 2485%
Michael Gregory compared with the Virginia median for neurologists, 2022
- Michael Gregory
- Virginia median
- Medicare services
- 24vs 42994% below
- Medicare patients
- 16vs 24693% below
Medians across 489 neurologists in Virginia with Dmand AI profiles that report each measure.
Michael Gregory's most billed Medicare procedure codes, 2022
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 Michael Gregory and other neurologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Michael D. Gregory treated 16 Medicare patients in 2024, average age 64
CMS counts 16 Medicare patients who saw Michael Gregory in 2024. The largest group is 85 and over, with 0 patients. 75% of them have anxiety, and 75% have depression. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Michael Gregory's median patient age at 36, with 50% women.
Michael Gregory's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Michael Gregory's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Michael Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael D. Gregory scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Michael Gregory for performance year 2024, reported as part of a group.
Michael Gregory's MIPS scores, performance year 2024
- 83of 100Final score
- 73of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Michael D. Gregory has 47 publications on record
Dmand AI links 47 papers to Michael Gregory, published from 2012 to 2025. 2021 was the busiest year, with 8. The most frequent topics are Magnetic Resonance Imaging, Brain and Dopamine. Michael Gregory has published most often in Cytometry A. Michael Gregory's most frequent co-authors are Karen Berman, MD, Daniel Paul Eisenberg, MD and Joseph C. Masdeu, MD, PhD.
Michael Gregory's papers by year, 2015 to 2025
Topics Michael Gregory writes about most
- Magnetic Resonance Imaging
- Brain
- Dopamine
- Positron-Emission Tomography
- Schizophrenia
- Corpus Striatum
- Flow Cytometry
- Laboratories
Michael Gregory's most frequent co-authors
- Karen Berman, MD29 shared papers
- Daniel Paul Eisenberg, MD24 shared papers
- Joseph C. Masdeu, MD, PhD4 shared papers
Recent publications by Michael Gregory
See who Michael Gregory researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michael Gregory works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Michael D. Gregory has worked on 1 clinical trial
Dmand AI links Michael Gregory to 1 clinical trial. Conditions studied include Schizophrenia and Schizophrenia Spectrum and Other Psychotic Disorders.
Conditions in Michael Gregory's trials
- Schizophrenia
- Schizophrenia Spectrum and Other Psychotic Disorders
Recent clinical trials with Michael Gregory
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Michael D. Gregory received $1,873 in industry payments in 2025
CMS Open Payments shows 1 general payment to Michael Gregory from 1 drug or device company in 2025. Speaker and faculty fees make up the largest share, 100% of the total. Janssen Research & Development, LLC paid the most, $1,873.
Companies that paid Michael Gregory the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael D. Gregory graduated from Rush Medical College of Rush University
Michael Gregory graduated from Rush Medical College of Rush University in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michael D. Gregory'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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) |
| 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 Michael D. Gregory
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael D. Gregory's NPI number?
Michael D. Gregory's NPI number is 1538386891. It was assigned on April 19, 2007, and it is active in the NPI Registry.
What does Michael D. Gregory specialize in?
Michael D. Gregory is a neurologist in Falls Church, Virginia. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Michael D. Gregory practice?
Michael Gregory practices at 3300 Gallows Rd, Falls Church, VA 22046. Michael Gregory's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.
What is Michael D. Gregory's office phone number?
The practice phone on file for Michael Gregory is (703) 698-3659.
What is Michael D. Gregory's medical license number?
Michael Gregory holds Rhode Island license LP00092.
What medical group is Michael D. Gregory part of?
Michael Gregory is linked to Inova Urgent Care Center.
Does Michael D. Gregory accept Medicare?
Yes. CMS data shows Michael Gregory billed Medicare for 24 services in 2022.
What is Michael D. Gregory's MIPS score?
Michael Gregory's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Michael D. Gregory see?
CMS counts 16 Medicare patients who saw Michael Gregory in 2024, with an average age of 64.
What services does Michael D. Gregory bill to Medicare?
In 2022, Michael Gregory's most billed Medicare services were hospital inpatient care (99233).
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Where did Michael D. Gregory go to medical school?
Michael Gregory graduated from Rush Medical College of Rush University in 2005.
Has Michael D. Gregory received payments from drug or device companies?
CMS Open Payments shows $1,873 in general payments to Michael Gregory from 1 company from 2025 to 2025. The largest total came from Janssen Research & Development, LLC.
How long has Michael D. Gregory been practicing?
Michael Gregory graduated from medical school in 2005, 21 years ago.
Does Michael D. Gregory do research?
Dmand AI links 47 publications to Michael Gregory, published from 2012 to 2025. Michael Gregory has worked on 1 clinical trial.
Who does Michael D. Gregory publish with?
Michael Gregory's most frequent co-authors are Karen Berman, MD (29 shared papers), Daniel Paul Eisenberg, MD (24 shared papers) and Joseph C. Masdeu, MD, PhD (4 shared papers).
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