Christon Leonson Grant, MBBS
- Medicare services, 2024
- 118
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 1,132
- Publications
- 3
- MIPS score, 2024
- 55
- Practice address
- 41 Brewster Rd, Bristol, CT 06010
- Practice phone
- Call (860) 585-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Christon Leonson Grant is a rheumatologist in Bristol, Connecticut
Christon Grant practices at Bristol Hospital in Bristol, Connecticut, part of Bristol Hospital and Health Care Group.
Christon Grant's NPI, 1750811949, was assigned on June 19, 2017. Christon Grant holds Connecticut license 69533.
- NPI
- 1750811949NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557740057
- NPI enumeration date
- June 19, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 585-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christon Leonson Grant practices at Bristol Hospital in Bristol, Connecticut
Christon Grant's primary practice is Bristol Hospital, at 41 Brewster Rd, Bristol, CT 06010 in Hartford County. The practice phone is (860) 585-3000.
- Bristol Hospital41 Brewster Rd, Bristol, CT 06010 · Hartford CountyPhone(860) 585-3000
Source: Dmand AI Affiliation Data
Christon Leonson Grant is affiliated with 4 sites of care and 2 medical groups
Christon Grant's primary practice is Bristol Hospital in Bristol, Connecticut, part of Bristol Hospital and Health Care Group. Christon Grant is also affiliated with The Hospital of Central Connecticut. The medical group on file is Bristol Health Medical Group. Dmand AI also links Christon Grant to 2 more hospitals and 1 medical group, each named with a free account. Christon Grant'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 Christon Leonson Grant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christon Grant practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bristol Hospital | Available with a free account |
| +3 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 Bristol Hospital and Health Care Group and 6.2K+ hospitals, with verified contacts in the same login.
Christon Leonson Grant is one of 109 rheumatologists in Connecticut
Rheumatology is Christon Grant's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Christon Grant is licensed in Connecticut.
Specialties and state licenses
- Rheumatology, ConnecticutPrimary
Rheumatologists near Christon Grant
Counts of rheumatologists 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
Christon Leonson Grant billed Medicare for 118 services in 2024
CMS data shows 118 Medicare services from Christon Grant across 3 procedure codes in 2024, all of them office visits, for 60 Medicare patients. Medicare paid $9,322 for them. Every service was in a facility, such as a hospital, rather than an office.
Christon Grant's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 672024: 11876%
Christon Grant compared with the Connecticut median for rheumatologists, 2024
- Christon Grant
- Connecticut median
- Medicare services
- 118vs 43073% below
- Medicare patients
- 60vs 16263% below
- Part D claims
- 962vs 1,18519% below
Medians across 110 rheumatologists in Connecticut with Dmand AI profiles that report each measure.
Christon Grant'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christon Leonson Grant treated 60 Medicare patients in 2024, average age 72
CMS counts 60 Medicare patients who saw Christon Grant in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christon Grant's median patient age at 62, with 71% women.
Christon Grant's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christon Grant's Medicare patients by sex, 2024
- Women3660%
- Men2440%
Chronic conditions among Christon Grant's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis72%
- Diabetes38%
- Osteoporosis38%
- Chronic kidney disease37%
- COPD28%
- Atrial fibrillation27%
Share of Medicare patients with each condition. A patient can have several.
Christon Grant's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women71%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christon Leonson Grant wrote 1,132 Medicare Part D claims in 2024
In 2024, Christon Grant wrote 1,132 Medicare Part D claims for 136 patients. 83% of them were for generic drugs. CMS names the drug for 962 of them, across 14 drugs with 11 or more claims each, at $681,567 in total drug cost. In 2023, CMS named 716 claims across 13 drugs.
Christon Grant's Part D claims by kind of drug, 2024
- Generic944 claims83%
- Brand-name188 claims17%
Christon Grant'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 Christon Grant's Part D claims, 2024
- Opioids1%15 of 1,132 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: 7162024: 96234%
Drugs named by CMS: 14 in 2024, 13 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
Christon Leonson Grant scored 55 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 55 out of 100 for Christon Grant for performance year 2024, reported as part of a group. Christon Grant accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Christon Grant's MIPS scores, performance year 2024
- 55of 100Final score
- 11.8of 100Quality
- 98of 100Promoting Interoperability
- 0of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Christon Leonson Grant has 3 publications on record
Dmand AI links 3 papers to Christon Grant, published from 2019 to 2021. 2019 was the busiest year, with 2. Christon Grant's most frequent co-authors are Manjeet Singh Bhamra, MD, Veena Hari Dronamraju, MD and Mosab Abdulbaset Frefer, MD.
Christon Grant's most frequent co-authors
- Manjeet Singh Bhamra, MD2 shared papers
- Veena Hari Dronamraju, MD2 shared papers
- Mosab Abdulbaset Frefer, MD2 shared papers
Recent publications by Christon Grant
See who Christon Grant researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Christon Grant works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Christon Leonson Grant received $4,742 in industry payments from 2021 to 2025
CMS Open Payments shows 213 general payments to Christon Grant from 36 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $748.
General payments to Christon Grant by program year, 2021 to 2025
General payments to Christon Grant by kind, 2021 to 2025
- Food and beverage$4,65398%
- Education$892%
Companies that paid Christon Grant the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christon Leonson Grant'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)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 |
| 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 Christon Leonson Grant
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christon Leonson Grant's NPI number?
Christon Leonson Grant's NPI number is 1750811949. It was assigned on June 19, 2017, and it is active in the NPI Registry.
What does Christon Leonson Grant specialize in?
Christon Leonson Grant is a rheumatologist in Bristol, Connecticut. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Christon Leonson Grant practice?
Christon Grant practices at 41 Brewster Rd, Bristol, CT 06010. Christon Grant's primary practice is Bristol Hospital in Bristol, Connecticut, part of Bristol Hospital and Health Care Group. Dmand AI also links Christon Grant to 2 hospitals and 1 medical group.
What is Christon Leonson Grant's office phone number?
The practice phone on file for Christon Grant is (860) 585-3000.
What is Christon Leonson Grant's medical license number?
Christon Grant holds Connecticut license 69533.
Which hospitals is Christon Leonson Grant affiliated with?
Christon Grant practices at Bristol Hospital in Bristol, Connecticut. Christon Grant is also affiliated with The Hospital of Central Connecticut. Dmand AI links Christon Grant to 2 more hospitals.
What medical group is Christon Leonson Grant part of?
Christon Grant is linked to Bristol Health Medical Group. Dmand AI links Christon Grant to 1 more medical group.
Does Christon Leonson Grant accept Medicare?
Yes. CMS data shows Christon Grant billed Medicare for 118 services in 2024, and Christon Grant accepts Medicare assignment.
What is Christon Leonson Grant's MIPS score?
Christon Grant's MIPS final score for performance year 2024 is 55 out of 100, reported as part of a group.
How many Medicare patients does Christon Leonson Grant see?
CMS counts 60 Medicare patients who saw Christon Grant in 2024, with an average age of 72.
Show 6 more questionsShow fewer questions
What services does Christon Leonson Grant bill to Medicare?
In 2024, Christon Grant's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
What drugs does Christon Leonson Grant prescribe most?
In 2024 Medicare Part D data, Christon Grant's most prescribed drugs by claims were Prednisone, Allopurinol and Methotrexate.
Has Christon Leonson Grant received payments from drug or device companies?
CMS Open Payments shows $4,742 in general payments to Christon Grant from 36 companies from 2021 to 2025. The largest total came from Abbvie Inc.
How long has Christon Leonson Grant been practicing?
Christon Grant graduated from medical school in 2013, 13 years ago.
Does Christon Leonson Grant do research?
Dmand AI links 3 publications to Christon Grant, published from 2019 to 2021.
Who does Christon Leonson Grant publish with?
Christon Grant's most frequent co-authors are Manjeet Singh Bhamra, MD (2 shared papers), Veena Hari Dronamraju, MD (2 shared papers) and Mosab Abdulbaset Frefer, MD (2 shared papers).
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