Grant Thomas Duvall
- Part D claims, 2024
- 21
- Hospital affiliations
- 2
- Industry payments
- $2,735
- Medical groups
- 2
- State license
- 1
- Practice address
- 6701 North Charles Street, Baltimore, MD 21204
- Practice phone
- Call (443) 849-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Grant Duvall'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.
Grant Thomas Duvall is an adult reconstructive orthopaedic surgery physician in Towson, Maryland
Grant Duvall practices at Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare.
Grant Duvall's NPI, 1629538392, was assigned on March 20, 2019. Grant Duvall graduated from University of Maryland School of Medicine in 2019. Grant Duvall holds Maryland license D0103694.
- NPI
- 1629538392NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193220457
- NPI enumeration date
- March 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (443) 849-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Grant Thomas Duvall practices at Greater Baltimore Medical Center in Baltimore, Maryland
Grant Duvall's primary practice is Greater Baltimore Medical Center, at 6701 North Charles Street, Baltimore, MD 21204 in Baltimore County. The practice phone is (443) 849-2000.
- Greater Baltimore Medical Center6701 North Charles Street, Baltimore, MD 21204 · Baltimore CountyPhone(443) 849-2000
Source: Dmand AI Affiliation Data
Grant Thomas Duvall is affiliated with 3 sites of care and 2 medical groups
Grant Duvall's primary practice is Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare. Grant Duvall is also affiliated with MedStar Union Memorial Hospital. The medical group on file is Agape Physical Therapy. Dmand AI also links Grant Duvall to 1 more home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Grant Thomas Duvall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Grant Duvall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Baltimore Medical Center | Available with a free account |
| +2 more sites and 1 medical group | 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 GBMC HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Grant Thomas Duvall is one of 40 adult reconstructive orthopaedic surgery physicians in Maryland
Adult reconstructive orthopaedic surgery is Grant Duvall's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Grant Duvall is licensed in Maryland.
Specialties and state licenses
- Adult reconstructive orthopaedic surgery, MarylandPrimary
Adult reconstructive orthopaedic surgery physicians near Grant Duvall
Counts of adult reconstructive orthopaedic surgery physicians 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
Grant Thomas Duvall's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Grant Duvall's median patient age at 67, with 67% women.
Grant Duvall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Grant Thomas Duvall wrote 21 Medicare Part D claims in 2024
In 2024, Grant Duvall wrote 21 Medicare Part D claims for 12 patients. 86% of them were for generic drugs.
Grant Duvall's Part D claims by kind of drug, 2024
- Generic18 claims86%
- Brand-name and other3 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Grant Thomas Duvall ranks in the 67th percentile for hip replacement in Medicare
Grant Duvall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of hip replacement by Grant Duvall, more than 67% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Grant Duvall ranks in Medicare procedure volume
- Hip replacement
- 67th percentile21 procedures
- Knee replacement
- 54th percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Grant Thomas Duvall received $2,735 in industry payments in 2025
CMS Open Payments shows 28 general payments to Grant Duvall from 7 drug and device companies in 2025. Food and beverage make up the largest share, 56% of the total. Medical Device Business Services, Inc. paid the most, $1,167.
General payments to Grant Duvall by kind, 2025 to 2025
- Food and beverage$1,53456%
- Travel and lodging$66324%
- Education$53720%
Companies that paid Grant Duvall the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Grant Thomas Duvall graduated from University of Maryland School of Medicine
Grant Duvall graduated from University of Maryland School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Grant Thomas Duvall'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Grant Thomas Duvall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Grant Thomas Duvall's NPI number?
Grant Thomas Duvall's NPI number is 1629538392. It was assigned on March 20, 2019, and it is active in the NPI Registry.
What does Grant Thomas Duvall specialize in?
Grant Thomas Duvall is an adult reconstructive orthopaedic surgery physician in Towson, Maryland. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).
Where does Grant Thomas Duvall practice?
Grant Duvall practices at 6701 North Charles Street, Baltimore, MD 21204. Grant Duvall's primary practice is Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare. Dmand AI also links Grant Duvall to 1 home health agency and 1 medical group.
What is Grant Thomas Duvall's office phone number?
The practice phone on file for Grant Duvall is (443) 849-2000.
What is Grant Thomas Duvall's medical license number?
Grant Duvall holds Maryland license D0103694.
Which hospitals is Grant Thomas Duvall affiliated with?
Grant Duvall practices at Greater Baltimore Medical Center in Baltimore, Maryland. Grant Duvall is also affiliated with MedStar Union Memorial Hospital.
What medical group is Grant Thomas Duvall part of?
Grant Duvall is linked to Agape Physical Therapy. Dmand AI links Grant Duvall to 1 more medical group.
Does Grant Thomas Duvall accept Medicare?
Yes. CMS lists Grant Duvall as accepting Medicare assignment.
Where did Grant Thomas Duvall go to medical school?
Grant Duvall graduated from University of Maryland School of Medicine in 2019.
Has Grant Thomas Duvall received payments from drug or device companies?
CMS Open Payments shows $2,735 in general payments to Grant Duvall from 7 companies from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Grant Thomas Duvall been practicing?
Grant Duvall graduated from medical school in 2019, 7 years ago.
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