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Dr. Thomas A. Sheldon, MD
NPI1912080342PAC ID8325071194
- Medicare services, 2024
- 1,248
- Medicare patients, 2024
- 162
- Part D claims, 2024
- 19
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 295 Varnum Avenue, Lowell, MA 01854
- Practice phone
- Call (978) 937-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sheldon's professional email, personal email and mobile number
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Dr. Thomas A. Sheldon is a radiation oncologist in Lowell, Massachusetts
Dr. Sheldon practices at Lowell General Hospital in Lowell, Massachusetts, part of Tufts Medicine.
Dr. Sheldon's NPI, 1912080342, was assigned on October 21, 2006. Dr. Sheldon graduated from Tufts University School of Medicine in 1980. Dr. Sheldon holds New Hampshire license 7290.
NPI and contact details
- NPI
- 1912080342NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325071194
- NPI enumeration date
- October 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 937-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas A. Sheldon practices at Lowell General Hospital in Lowell, Massachusetts
Dr. Sheldon's primary practice is Lowell General Hospital, at 295 Varnum Avenue, Lowell, MA 01854 in Middlesex County. The practice phone is (978) 937-6000.
- Lowell General Hospital295 Varnum Avenue, Lowell, MA 01854 · Middlesex CountyPhone(978) 937-6000
Source: Dmand AI Affiliation Data
Dr. Thomas A. Sheldon is affiliated with 2 sites of care and 1 medical group
Dr. Sheldon's primary practice is Lowell General Hospital in Lowell, Massachusetts, part of Tufts Medicine. Dr. Sheldon is also affiliated with Concord Hospital. The medical group on file is Radiation Oncology Associates, PA.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas A. Sheldon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sheldon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lowell General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Thomas A. Sheldon is one of 186 radiation oncologists in Massachusetts
Radiation oncology is Dr. Sheldon's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Sheldon is licensed in New Hampshire.
Specialties and state licenses
- Radiation oncology, New HampshirePrimary
Radiation oncologists near Dr. Sheldon
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
186radiation oncologists in Massachusetts
3radiation oncologists in Lowell
3radiation oncologists at Lowell General HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas A. Sheldon billed Medicare for 1,248 services in 2024
CMS data shows 1,248 Medicare services from Dr. Sheldon across 11 procedure codes in 2024, for 162 Medicare patients. Medicare paid $71,124 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,248
Medicare patients162
Paid by Medicare$71,124
Procedure codes11
Dr. Sheldon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,8852024: 1,10941%
- Office and hospital visits
- 2023: 1932024: 7661%
- Other services
- 2023: 542024: 6317%
Dr. Sheldon compared with the Massachusetts median for radiation oncologists, 2024
- Dr. Sheldon
- Massachusetts median
- Medicare services
- 1,248vs 1,1617% above
- Medicare patients
- 162vs 1736% below
- Part D claims
- 16vs 2638% below
Medians across 182 radiation oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sheldon'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. Sheldon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sheldon and other radiation oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas A. Sheldon treated 162 Medicare patients in 2024, average age 74
CMS counts 162 Medicare patients who saw Dr. Sheldon in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have cancer, and 72% have high cholesterol. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sheldon's median patient age at 67, with 48% women.
Medicare patients, 2024162
Average age74
Average risk score1.32
Dr. Sheldon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sheldon's Medicare patients by sex, 2024
- Women5534%
- Men10766%
Chronic conditions among Dr. Sheldon's Medicare patients, 2024
- Cancer75%
- High cholesterol72%
- High blood pressure64%
- Arthritis34%
- Diabetes27%
- Mood disorders20%
- Anxiety17%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sheldon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas A. Sheldon wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Sheldon wrote 19 Medicare Part D claims. 95% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $622 in total drug cost. In 2022, CMS named 20 claims across 1 drug.
Part D claims, 202419
Drugs named by CMS1
Total drug cost$622
Dr. Sheldon's Part D claims by kind of drug, 2024
- Generic18 claims95%
- Brand-name and other1 claims5%
Dr. Sheldon's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 202023: 1620%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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 A. Sheldon takes part in Medicare
Dr. Sheldon 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 A. Sheldon has 1 publication on record
Dmand AI links 1 paper to Dr. Sheldon in 2011. Dr. Sheldon's most frequent co-author is Jennifer L. Hunt, MD.
Papers1
Dr. Sheldon's most frequent co-authors
Recent publications by Dr. Sheldon
See who Dr. Sheldon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sheldon works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas A. Sheldon received $35 in industry payments from 2020 to 2021
CMS Open Payments shows 2 general payments to Dr. Sheldon from 2 drug and device companies from 2020 to 2021. Food and beverage make up the largest share, 100% of the total. Blue Earth Diagnostics Limited paid the most, $18.
General payments to Dr. Sheldon by program year, 2020 to 2021
Companies that paid Dr. Sheldon the most, 2020 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas A. Sheldon graduated from Tufts University School of Medicine
Dr. Sheldon graduated from Tufts University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas A. Sheldon'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Thomas A. Sheldon
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 A. Sheldon's NPI number?
Dr. Thomas A. Sheldon's NPI number is 1912080342. It was assigned on October 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas A. Sheldon?
Dr. Thomas A. Sheldon is a radiation oncologist in Lowell, Massachusetts. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Thomas A. Sheldon practice?
Dr. Sheldon practices at 295 Varnum Avenue, Lowell, MA 01854. Dr. Sheldon's primary practice is Lowell General Hospital in Lowell, Massachusetts, part of Tufts Medicine.
What is Dr. Thomas A. Sheldon's office phone number?
The practice phone on file for Dr. Sheldon is (978) 937-6000.
What is Dr. Thomas A. Sheldon's medical license number?
Dr. Sheldon holds New Hampshire license 7290.
Which hospitals is Dr. Thomas A. Sheldon affiliated with?
Dr. Sheldon practices at Lowell General Hospital in Lowell, Massachusetts. Dr. Sheldon is also affiliated with Concord Hospital.
What medical group is Dr. Thomas A. Sheldon part of?
Dr. Sheldon is linked to Radiation Oncology Associates, PA.
Does Dr. Thomas A. Sheldon accept Medicare?
Yes. CMS data shows Dr. Sheldon billed Medicare for 1,248 services in 2024, and Dr. Sheldon accepts Medicare assignment.
How many Medicare patients does Dr. Thomas A. Sheldon see?
CMS counts 162 Medicare patients who saw Dr. Sheldon in 2024, with an average age of 74.
What services does Dr. Thomas A. Sheldon bill to Medicare?
In 2024, Dr. Sheldon's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
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Where did Dr. Thomas A. Sheldon go to medical school?
Dr. Sheldon graduated from Tufts University School of Medicine in 1980.
What drugs does Dr. Thomas A. Sheldon prescribe most?
In 2023 Medicare Part D data, Dr. Sheldon's most prescribed drugs by claims were Nystatin.
Has Dr. Thomas A. Sheldon received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Sheldon from 2 companies from 2020 to 2021. The largest total came from Blue Earth Diagnostics Limited.
How long has Dr. Thomas A. Sheldon been practicing?
Dr. Sheldon graduated from medical school in 1980, 46 years ago.
Does Dr. Thomas A. Sheldon do research?
Dmand AI links 1 publication to Dr. Sheldon.
Who does Dr. Thomas A. Sheldon publish with?
Dr. Sheldon's most frequent co-authors are Jennifer L. Hunt, MD (1 shared paper).
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