Dr. Robert E. Hagar, MD, PhD
- Medicare services, 2024
- 374
- Medicare patients, 2024
- 204
- Part D claims, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $13
- Practice address
- 28 Crescent St, Middletown, CT 06457
- Practice phone
- Call (860) 344-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hagar'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.
Dr. Robert E. Hagar is an internist in Middletown, Connecticut
Dr. Hagar practices at Middlesex Hospital in Middletown, Connecticut, part of Middlesex Health System.
Dr. Hagar's NPI, 1659340479, was assigned on March 15, 2006. Dr. Hagar graduated from University of Connecticut School of Medicine in 2002. Dr. Hagar holds Connecticut license 042678.
- NPI
- 1659340479NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072528215
- NPI enumeration date
- March 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 344-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert E. Hagar practices at Middlesex Hospital in Middletown, Connecticut
Dr. Hagar's primary practice is Middlesex Hospital, at 28 Crescent St, Middletown, CT 06457 in Middlesex County. The practice phone is (860) 344-6000.
- Middlesex Hospital28 Crescent St, Middletown, CT 06457 · Middlesex CountyPhone(860) 344-6000
Source: Dmand AI Affiliation Data
Dr. Robert E. Hagar is affiliated with 1 site of care and 1 medical group
Dr. Hagar's primary practice is Middlesex Hospital in Middletown, Connecticut, part of Middlesex Health System. The medical group on file is Middlesex Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert E. Hagar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hagar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Middlesex Hospital | 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 Middlesex Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert E. Hagar is one of 2,189 internists in Connecticut
Internal medicine is Dr. Hagar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hagar is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Hagar
Counts of internists 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. Robert E. Hagar billed Medicare for 374 services in 2024
CMS data shows 374 Medicare services from Dr. Hagar across 3 procedure codes in 2024, for 204 Medicare patients. Medicare paid $27,412 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hagar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4052024: 3748%
Dr. Hagar compared with the Connecticut median for internists, 2024
- Dr. Hagar
- Connecticut median
- Medicare services
- 374vs 390Close to median
- Medicare patients
- 204vs 17219% above
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Hagar'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.
Need commercial claims for Dr. Hagar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hagar and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert E. Hagar treated 204 Medicare patients in 2024, average age 80
CMS counts 204 Medicare patients who saw Dr. Hagar in 2024. The largest group is 85 and over, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.06, 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. Hagar's median patient age at 74, with 56% women.
Dr. Hagar's Medicare patients by age, 2024
Dr. Hagar's Medicare patients by sex, 2024
- Women12662%
- Men7838%
Chronic conditions among Dr. Hagar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Mood disorders54%
- Anxiety53%
- Depression46%
- Heart failure44%
- Chronic kidney disease43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hagar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert E. Hagar wrote 100 Medicare Part D claims in 2024
In 2024, Dr. Hagar wrote 100 Medicare Part D claims for 41 patients. 83% of them were for generic drugs.
Dr. Hagar's Part D claims by kind of drug, 2024
- Generic83 claims83%
- Brand-name17 claims17%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Robert E. Hagar takes part in Medicare
Dr. Hagar 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)
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.
Dr. Robert E. Hagar received $13 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Hagar from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $13.
Companies that paid Dr. Hagar the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert E. Hagar graduated from University of Connecticut School of Medicine
Dr. Hagar graduated from University of Connecticut School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert E. Hagar'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 (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. Robert E. Hagar
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. Robert E. Hagar's NPI number?
Dr. Robert E. Hagar's NPI number is 1659340479. It was assigned on March 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert E. Hagar?
Dr. Robert E. Hagar is an internist in Middletown, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert E. Hagar practice?
Dr. Hagar practices at 28 Crescent St, Middletown, CT 06457. Dr. Hagar's primary practice is Middlesex Hospital in Middletown, Connecticut, part of Middlesex Health System.
What is Dr. Robert E. Hagar's office phone number?
The practice phone on file for Dr. Hagar is (860) 344-6000.
What is Dr. Robert E. Hagar's medical license number?
Dr. Hagar holds Connecticut license 042678.
Which hospitals is Dr. Robert E. Hagar affiliated with?
Dr. Hagar practices at Middlesex Hospital in Middletown, Connecticut.
What medical group is Dr. Robert E. Hagar part of?
Dr. Hagar is linked to Middlesex Health.
Does Dr. Robert E. Hagar accept Medicare?
Yes. CMS data shows Dr. Hagar billed Medicare for 374 services in 2024, and Dr. Hagar accepts Medicare assignment.
How many Medicare patients does Dr. Robert E. Hagar see?
CMS counts 204 Medicare patients who saw Dr. Hagar in 2024, with an average age of 80.
What services does Dr. Robert E. Hagar bill to Medicare?
In 2024, Dr. Hagar's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).
Show 3 more questionsShow fewer questions
Where did Dr. Robert E. Hagar go to medical school?
Dr. Hagar graduated from University of Connecticut School of Medicine in 2002.
Has Dr. Robert E. Hagar received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Hagar from 1 company from 2017 to 2017. The largest total came from Gilead Sciences, Inc.
How long has Dr. Robert E. Hagar been practicing?
Dr. Hagar graduated from medical school in 2002, 24 years ago.
Selling to internal medicine practices?
See internists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card