Dr. Lorraine M. Hartnett, MD
- Medicare services, 2024
- 38
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 25
- Hospital affiliations
- 1
- Industry payments
- $1,290
- 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. Hartnett's professional email, personal email and mobile number
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Dr. Lorraine M. Hartnett is an emergency medicine physician in Middletown, Connecticut
Dr. Hartnett practices at Middlesex Hospital in Middletown, Connecticut, part of Middlesex Health System.
Dr. Hartnett's NPI, 1801868443, was assigned on February 7, 2006. Dr. Hartnett graduated from New York University School of Medicine in 1979. Dr. Hartnett holds Connecticut license 034114.
- NPI
- 1801868443NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375600067
- NPI enumeration date
- February 7, 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
- Female
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lorraine M. Hartnett practices at Middlesex Hospital in Middletown, Connecticut
Dr. Hartnett'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. Lorraine M. Hartnett is affiliated with 3 sites of care and 3 medical groups
Dr. Hartnett's primary practice is Middlesex Hospital in Middletown, Connecticut, part of Middlesex Health System. The medical group on file is Hartford Hospital. Dmand AI also links Dr. Hartnett to 2 more group practices and clinics and 2 medical groups, each named with a free account. Dr. Hartnett'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 Dr. Lorraine M. Hartnett's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hartnett practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Middlesex Hospital | Available with a free account |
| +2 more sites and 2 medical groups | 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. Lorraine M. Hartnett is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. Hartnett's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hartnett is licensed in Connecticut.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
Emergency medicine physicians near Dr. Hartnett
Counts of emergency medicine physicians 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. Lorraine M. Hartnett billed Medicare for 38 services in 2024
CMS data shows 38 Medicare services from Dr. Hartnett across 1 procedure code in 2024, for 20 Medicare patients. Medicare paid $1,896 for them. Every service was in an office.
Dr. Hartnett's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 242024: 3858%
Dr. Hartnett compared with the Connecticut median for emergency medicine physicians, 2024
- Dr. Hartnett
- Connecticut median
- Medicare services
- 38vs 24384% below
- Medicare patients
- 20vs 25092% below
- Part D claims
- 11vs 4877% below
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Hartnett'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
Dr. Lorraine M. Hartnett treated 20 Medicare patients in 2024, average age 80
CMS counts 20 Medicare patients who saw Dr. Hartnett in 2024. 75% of them have high blood pressure, and 70% have high cholesterol. 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. Hartnett's median patient age at 77, with 49% women.
Chronic conditions among Dr. Hartnett's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis60%
- Atrial fibrillation55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hartnett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lorraine M. Hartnett wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Hartnett wrote 25 Medicare Part D claims for 18 patients. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $48 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.
Dr. Hartnett's Part D claims by kind of drug, 2024
- Generic22 claims88%
- Brand-name and other3 claims12%
Dr. Hartnett'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 Dr. Hartnett's Part D claims, 2024
- Antibiotics64%16 of 25 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: 302024: 1163%
Drugs named by CMS: 1 in 2024, 2 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
Dr. Lorraine M. Hartnett ranks in the 75th percentile for removal of tissue in Medicare
Dr. Hartnett accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 36 procedures of removal of tissue by Dr. Hartnett, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hartnett ranks in Medicare procedure volume
- Removal of tissue
- 75th percentile36 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lorraine M. Hartnett received $1,290 in industry payments from 2016 to 2025
CMS Open Payments shows 52 general payments to Dr. Hartnett from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $215.
General payments to Dr. Hartnett by program year, 2016 to 2025
Companies that paid Dr. Hartnett the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lorraine M. Hartnett graduated from New York University School of Medicine
Dr. Hartnett graduated from New York University School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lorraine M. Hartnett'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)Doctors and Clinicians Utilization Data (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. Lorraine M. Hartnett
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. Lorraine M. Hartnett's NPI number?
Dr. Lorraine M. Hartnett's NPI number is 1801868443. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lorraine M. Hartnett?
Dr. Lorraine M. Hartnett is an emergency medicine physician in Middletown, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Lorraine M. Hartnett practice?
Dr. Hartnett practices at 28 Crescent St, Middletown, CT 06457. Dr. Hartnett's primary practice is Middlesex Hospital in Middletown, Connecticut, part of Middlesex Health System. Dmand AI also links Dr. Hartnett to 2 group practices and clinics and 2 medical groups.
What is Dr. Lorraine M. Hartnett's office phone number?
The practice phone on file for Dr. Hartnett is (860) 344-6000.
What is Dr. Lorraine M. Hartnett's medical license number?
Dr. Hartnett holds Connecticut license 034114.
Which hospitals is Dr. Lorraine M. Hartnett affiliated with?
Dr. Hartnett practices at Middlesex Hospital in Middletown, Connecticut.
What medical group is Dr. Lorraine M. Hartnett part of?
Dr. Hartnett is linked to Hartford Hospital. Dmand AI links Dr. Hartnett to 2 more medical groups.
Does Dr. Lorraine M. Hartnett accept Medicare?
Yes. CMS data shows Dr. Hartnett billed Medicare for 38 services in 2024, and Dr. Hartnett accepts Medicare assignment.
How many Medicare patients does Dr. Lorraine M. Hartnett see?
CMS counts 20 Medicare patients who saw Dr. Hartnett in 2024, with an average age of 80.
What services does Dr. Lorraine M. Hartnett bill to Medicare?
In 2024, Dr. Hartnett's most billed Medicare services were surgery: skin and soft tissue (11042).
Show 4 more questionsShow fewer questions
Where did Dr. Lorraine M. Hartnett go to medical school?
Dr. Hartnett graduated from New York University School of Medicine in 1979.
What drugs does Dr. Lorraine M. Hartnett prescribe most?
In 2024 Medicare Part D data, Dr. Hartnett's most prescribed drugs by claims were Doxycycline Hyclate.
Has Dr. Lorraine M. Hartnett received payments from drug or device companies?
CMS Open Payments shows $1,290 in general payments to Dr. Hartnett from 17 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Lorraine M. Hartnett been practicing?
Dr. Hartnett graduated from medical school in 1979, 47 years ago.
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