Dr. Jonathan B. Hargreaves, MD
- Medicare services, 2024
- 1,700
- Medicare patients, 2024
- 1,160
- Hospital affiliations
- 3
- Industry payments
- $156
- Medical groups
- 3
- Practice address
- 263 Farmington Ave, Farmington, CT 06030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD
Childrens Hospital outpatient department · Farmington, Connecticut
Find Dr. Hargreaves' 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. Jonathan B. Hargreaves is a diagnostic radiologist in Farmington, Connecticut
Dr. Hargreaves practices at Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut.
Dr. Hargreaves' NPI, 1457686156, was assigned on October 14, 2009. Dr. Hargreaves graduated from George Washington University School of Medicine in 2006. Dr. Hargreaves holds Connecticut license 061806.
- NPI
- 1457686156NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820276264
- NPI enumeration date
- October 14, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan B. Hargreaves practices at Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut
Dr. Hargreaves' primary practice is Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD, at 263 Farmington Ave, Farmington, CT 06030.
- Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD263 Farmington Ave, Farmington, CT 06030
Source: Dmand AI Affiliation Data
Dr. Jonathan B. Hargreaves is affiliated with 4 sites of care and 3 medical groups
Dr. Hargreaves' primary practice is Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut. Dr. Hargreaves is also affiliated with UConn John Dempsey Hospital. The medical group on file is UConn Medical Group. Dmand AI also links Dr. Hargreaves to 2 more hospitals and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan B. Hargreaves' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hargreaves practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan B. Hargreaves is one of 472 diagnostic radiologists in Connecticut
Diagnostic radiology is Dr. Hargreaves' primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Hargreaves' licenses on file in 2 states: Connecticut and Massachusetts.
Specialties and state licenses
- Diagnostic radiology, ConnecticutPrimary
- Massachusetts license
Diagnostic radiologists near Dr. Hargreaves
Counts of diagnostic radiologists 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. Jonathan B. Hargreaves billed Medicare for 1,700 services in 2024
CMS data shows 1,700 Medicare services from Dr. Hargreaves across 26 procedure codes in 2024, for 1,160 Medicare patients. Medicare paid $52,032 for them.
Dr. Hargreaves' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,6842024: 1,6373%
- Other services
- 2023: 242024: 4171%
- Tests and treatments
- 2023: 352024: 2237%
Where Dr. Hargreaves' Medicare services took place, 2024
- In an office292%
- In a facility1,67198%
Dr. Hargreaves compared with the Connecticut median for diagnostic radiologists, 2024
- Dr. Hargreaves
- Connecticut median
- Medicare services
- 1,700vs 2,06318% below
- Medicare patients
- 1,160vs 1,2628% below
Medians across 462 diagnostic radiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Hargreaves' 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. Hargreaves?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hargreaves and other diagnostic radiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan B. Hargreaves treated 1,160 Medicare patients in 2024, average age 75
CMS counts 1,160 Medicare patients who saw Dr. Hargreaves in 2024. The largest group is 75 to 84, with 407 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.78, 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. Hargreaves' median patient age at 69, with 66% women.
Dr. Hargreaves' Medicare patients by age, 2024
Dr. Hargreaves' Medicare patients by sex, 2024
- Women73663%
- Men42437%
Chronic conditions among Dr. Hargreaves' Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis48%
- Mood disorders38%
- Anxiety36%
- Depression33%
- Ischemic heart disease32%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hargreaves' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women66%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jonathan B. Hargreaves takes part in Medicare
Dr. Hargreaves accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan B. Hargreaves received $156 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Hargreaves from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $113.
General payments to Dr. Hargreaves by program year, 2016 to 2018
Companies that paid Dr. Hargreaves the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan B. Hargreaves graduated from George Washington University School of Medicine
Dr. Hargreaves graduated from George Washington University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan B. Hargreaves'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 | Doctors and Clinicians National Downloadable File (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 Dr. Jonathan B. Hargreaves
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. Jonathan B. Hargreaves' NPI number?
Dr. Jonathan B. Hargreaves' NPI number is 1457686156. It was assigned on October 14, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan B. Hargreaves?
Dr. Jonathan B. Hargreaves is a diagnostic radiologist in Farmington, Connecticut. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Jonathan B. Hargreaves practice?
Dr. Hargreaves practices at 263 Farmington Ave, Farmington, CT 06030. Dr. Hargreaves' primary practice is Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut. Dmand AI also links Dr. Hargreaves to 2 hospitals and 2 medical groups.
What is Dr. Jonathan B. Hargreaves' medical license number?
Dr. Hargreaves holds Connecticut license 061806, one of the licenses on file in 2 states.
Which states has Dr. Jonathan B. Hargreaves been licensed in?
Dmand AI has state licenses on file for Dr. Hargreaves in Connecticut and Massachusetts.
Which hospitals is Dr. Jonathan B. Hargreaves affiliated with?
Dr. Hargreaves is affiliated with UConn John Dempsey Hospital. Dmand AI links Dr. Hargreaves to 2 more hospitals.
What medical group is Dr. Jonathan B. Hargreaves part of?
Dr. Hargreaves is linked to UConn Medical Group. Dmand AI links Dr. Hargreaves to 2 more medical groups.
Does Dr. Jonathan B. Hargreaves accept Medicare?
Yes. CMS data shows Dr. Hargreaves billed Medicare for 1,700 services in 2024, and Dr. Hargreaves accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan B. Hargreaves see?
CMS counts 1,160 Medicare patients who saw Dr. Hargreaves in 2024, with an average age of 75.
What services does Dr. Jonathan B. Hargreaves bill to Medicare?
In 2024, Dr. Hargreaves' most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71250) and diagnostic imaging (71260).
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Where did Dr. Jonathan B. Hargreaves go to medical school?
Dr. Hargreaves graduated from George Washington University School of Medicine in 2006.
Has Dr. Jonathan B. Hargreaves received payments from drug or device companies?
CMS Open Payments shows $156 in general payments to Dr. Hargreaves from 2 companies from 2016 to 2018. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Jonathan B. Hargreaves been practicing?
Dr. Hargreaves graduated from medical school in 2006, 20 years ago.
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