Dr. Thomas Keith Sheehan II, DO
- Medicare services, 2024
- 457
- Medicare patients, 2024
- 224
- Part D claims, 2024
- 183
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 4755 Ogletown Stanton Road, Newark, DE 19713
- Practice phone
- Call (302) 320-2926
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ChristianaCare Adult Outpatient Psychiatry & Therapy
Outpatient Mental Health Clinic · Newark, Delaware
Find Dr. Sheehan's professional email, personal email and mobile number
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Dr. Thomas Keith Sheehan II is an internist in Newark, Delaware
Dr. Sheehan practices at ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware.
Dr. Sheehan's NPI, 1821477324, was assigned on May 29, 2015. Dr. Sheehan graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015. Dr. Sheehan holds Delaware license C2-0012778.
- NPI
- 1821477324NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012267909
- NPI enumeration date
- May 29, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 320-2926
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Keith Sheehan II practices at ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware
Dr. Sheehan's primary practice is ChristianaCare Adult Outpatient Psychiatry & Therapy, at 4755 Ogletown Stanton Road, Newark, DE 19713. The practice phone is (302) 320-2926.
- ChristianaCare Adult Outpatient Psychiatry & Therapy4755 Ogletown Stanton Road, Newark, DE 19713Phone(302) 320-2926
Source: Dmand AI Affiliation Data
Dr. Thomas Keith Sheehan II is affiliated with 3 sites of care and 1 medical group
Dr. Sheehan's primary practice is ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware. Dr. Sheehan is also affiliated with Christiana Hospital. The medical group on file is ChristianaCare. Dmand AI also links Dr. Sheehan to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Keith Sheehan II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sheehan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ChristianaCare Adult Outpatient Psychiatry & Therapy | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Keith Sheehan II is one of 615 internists in Delaware
Internal medicine is Dr. Sheehan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sheehan is licensed in Delaware.
Specialties and state licenses
- Internal medicine, DelawarePrimary
Internists near Dr. Sheehan
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. Thomas Keith Sheehan II billed Medicare for 457 services in 2024
CMS data shows 457 Medicare services from Dr. Sheehan across 6 procedure codes in 2024, for 224 Medicare patients. Medicare paid $36,659 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sheehan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6122024: 38138%
- Other services
- 2023: 02024: 76
Dr. Sheehan compared with the Delaware median for internists, 2024
- Dr. Sheehan
- Delaware median
- Medicare services
- 457vs 68633% below
- Medicare patients
- 224vs 28722% below
- Part D claims
- 39vs 12469% below
Medians across 565 internists in Delaware with Dmand AI profiles that report each measure.
Dr. Sheehan'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. Thomas Keith Sheehan II treated 224 Medicare patients in 2024, average age 76
CMS counts 224 Medicare patients who saw Dr. Sheehan in 2024. The largest group is 75 to 84, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.46, 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. Sheehan's median patient age at 69, with 53% women.
Dr. Sheehan's Medicare patients by age, 2024
Dr. Sheehan's Medicare patients by sex, 2024
- Women12254%
- Men10246%
Chronic conditions among Dr. Sheehan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Arthritis57%
- Diabetes54%
- Ischemic heart disease52%
- Mood disorders52%
- Heart failure51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sheehan's 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
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Keith Sheehan II wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Sheehan wrote 183 Medicare Part D claims for 44 patients. 85% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $508 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Dr. Sheehan's Part D claims by kind of drug, 2024
- Generic155 claims85%
- Brand-name28 claims15%
Dr. Sheehan'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. Sheehan's Part D claims, 2024
- Antibiotics10%19 of 183 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: 242024: 3963%
Drugs named by CMS: 3 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
How Dr. Thomas Keith Sheehan II takes part in Medicare
Dr. Sheehan 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. Thomas Keith Sheehan II graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Sheehan graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Keith Sheehan II'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) |
| 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. Thomas Keith Sheehan II
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. Thomas Keith Sheehan II's NPI number?
Dr. Thomas Keith Sheehan II's NPI number is 1821477324. It was assigned on May 29, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Keith Sheehan II?
Dr. Thomas Keith Sheehan II is an internist in Newark, Delaware. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas Keith Sheehan II practice?
Dr. Sheehan practices at 4755 Ogletown Stanton Road, Newark, DE 19713. Dr. Sheehan's primary practice is ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware. Dmand AI also links Dr. Sheehan to 1 hospice.
What is Dr. Thomas Keith Sheehan II's office phone number?
The practice phone on file for Dr. Sheehan is (302) 320-2926.
What is Dr. Thomas Keith Sheehan II's medical license number?
Dr. Sheehan holds Delaware license C2-0012778.
Which hospitals is Dr. Thomas Keith Sheehan II affiliated with?
Dr. Sheehan is affiliated with Christiana Hospital.
What medical group is Dr. Thomas Keith Sheehan II part of?
Dr. Sheehan is linked to ChristianaCare.
Does Dr. Thomas Keith Sheehan II accept Medicare?
Yes. CMS data shows Dr. Sheehan billed Medicare for 457 services in 2024, and Dr. Sheehan accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Keith Sheehan II see?
CMS counts 224 Medicare patients who saw Dr. Sheehan in 2024, with an average age of 76.
What services does Dr. Thomas Keith Sheehan II bill to Medicare?
In 2024, Dr. Sheehan's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
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Where did Dr. Thomas Keith Sheehan II go to medical school?
Dr. Sheehan graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015.
What drugs does Dr. Thomas Keith Sheehan II prescribe most?
In 2024 Medicare Part D data, Dr. Sheehan's most prescribed drugs by claims were Atorvastatin Calcium, Potassium Chloride and Omeprazole.
How long has Dr. Thomas Keith Sheehan II been practicing?
Dr. Sheehan graduated from medical school in 2015, 11 years ago.
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