Robert E. Hagar, MD,PHD
Internal Medicine Physician · Middletown, CT
Robert E. Hagar, MD,PHD is an internal medicine physician with a practice address in Middletown, Connecticut, and NPI 1659340479, issued on Mar 15, 2006. Check the license (Connecticut 042678, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert E. Hagar
- Credential
- MD,PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 042678 CT
Self-reported in NPPES; status is on the state search - Practice location
- 28 Crescent St, Middletown, CT 06457
- Phone
- (860) 358-6000
- Enumerated
- Mar 15, 2006
- Record last updated
- Oct 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060209000472); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 28 Crescent St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Baggish, M.D.Nephrology Physician1598748808
- Jonathan Bankoff, MDEmergency Medicine Physician1306041728
Verify Robert E. Hagar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
100 Medicare Part D claims for 41 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Middlesex HospitalMiddletown, CT · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Robert E. Hagar among 2,623 internal medicine physician records in Connecticut
Robert E. Hagar, MD,PHD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2004 among the 1,646 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Middletown
They are 29 of the 1,590 NPPES records with a practice address in Middletown, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Middletown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daren Anderson, MDMiddletown, CT 064571306843529
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- Kismatkumar Detroja, MDMiddletown, CT 064571497774657
- Robert Fales, MDMiddletown, CT 064571417062357
- Marina Ionita, MDMiddletown, CT 064571386639268
- Lisa Ochola-Tinker, M.D.Middletown, CT 064571053390179
- Usman Ramzan, MDMiddletown, CT 064571356387823
Common questions
What is Robert E. Hagar, MD,PHD's NPI number?
Robert E. Hagar, MD,PHD's National Provider Identifier (NPI) is 1659340479, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert E. Hagar, MD,PHD located?
The NPPES record lists a practice address at 28 Crescent St, Middletown, CT, 06457. Phone: (860) 358-6000. Providers update this record themselves, so call before visiting.
How can I verify Robert E. Hagar, MD,PHD's license?
NPPES lists Connecticut license number 042678, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert E. Hagar, MD,PHD prescribe under Medicare Part D?
In 2024, Robert E. Hagar, MD,PHD had 100 Medicare Part D claims for 41 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert E. Hagar, MD,PHD's MIPS final score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.