Christon Leonson Grant, MBBS

  • Bristol, CT
  • Rheumatologist
NPI1750811949PAC ID1557740057
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Bristol Hospital

Hospital · Bristol, Connecticut

See all 6 affiliations

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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 and contact details
Medicare PAC ID
1557740057
NPI enumeration date
June 19, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(860) 585-3000
Professional email
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Personal email
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Mobile number
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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 Hospital
    41 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.

See all 6 affiliations for Christon Grant

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.

EHR by site
SiteEHR vendor and product
Bristol HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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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, ConnecticutPrimaryLicense 69533 · taxonomy 207RR0500X

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.

Medicare services, 2024118
Medicare patients60
Paid by Medicare$9,322
Procedure codes3

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.

See all procedures by Christon Grant

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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.

Medicare patients, 202460
Average age72
Average risk score1.67
Also on Medicaid25%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis72%
  4. Diabetes38%
  5. Osteoporosis38%
  6. Chronic kidney disease37%
  7. COPD28%
  8. 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.

Part D claims, 20241,132
Drugs named by CMS14
Total drug cost$681,567
Part D patients136

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.

See all prescribing by Christon Grant

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.

Papers3
Years published2019 to 2021

Christon Grant's most frequent co-authors

Recent publications by Christon Grant

See all 3 publications and co-authors

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.

How network discovery works

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

$4.7Kin total
  • 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.

See all payments to Christon Grant

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Christon Leonson Grant's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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