Dr. Thomas W. Donner, MD
- Medicare services, 2024
- 485
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 2,592
- Publications
- 24
- MIPS score, 2024
- 83
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. Donner's professional email, personal email and mobile number
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Dr. Thomas W. Donner is an endocrinologist in Baltimore, Maryland
Dr. Donner practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Donner's NPI, 1659329977, was assigned on May 5, 2006. Dr. Donner graduated from University of Virginia School of Medicine in 1986. Dr. Donner holds Maryland license D40059.
- NPI
- 1659329977NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375732027
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas W. Donner practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Donner's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas W. Donner is affiliated with 2 sites of care and 2 medical groups
Dr. Donner's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Donner is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Donner to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas W. Donner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Donner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas W. Donner is one of 248 endocrinologists in Maryland
Endocrinology, diabetes and metabolism is Dr. Donner's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Donner is licensed in Maryland.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, MarylandPrimary
Endocrinologists near Dr. Donner
Counts of endocrinologists 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 W. Donner billed Medicare for 485 services in 2024
CMS data shows 485 Medicare services from Dr. Donner across 6 procedure codes in 2024, for 276 Medicare patients. Medicare paid $32,914 for them.
Dr. Donner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2662024: 33626%
- Tests and treatments
- 2023: 1382024: 1498%
Where Dr. Donner's Medicare services took place, 2024
- In an office29661%
- In a facility18939%
Dr. Donner compared with the Maryland median for endocrinologists, 2024
- Dr. Donner
- Maryland median
- Medicare services
- 485vs 86944% below
- Medicare patients
- 276vs 32415% below
- Part D claims
- 2,279vs 1,21388% above
Medians across 227 endocrinologists in Maryland with Dmand AI profiles that report each measure.
Dr. Donner'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 W. Donner treated 276 Medicare patients in 2024, average age 72
CMS counts 276 Medicare patients who saw Dr. Donner in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have diabetes, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.79, 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. Donner's median patient age at 65, with 52% women.
Dr. Donner's Medicare patients by age, 2024
Dr. Donner's Medicare patients by sex, 2024
- Women12646%
- Men15054%
Chronic conditions among Dr. Donner's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease49%
- Arthritis46%
- Ischemic heart disease42%
- Mood disorders29%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Donner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas W. Donner wrote 2,592 Medicare Part D claims in 2024
In 2024, Dr. Donner wrote 2,592 Medicare Part D claims for 283 patients. 37% of them were for generic drugs. CMS names the drug for 2,279 of them, across 43 drugs with 11 or more claims each, at $1,463,915 in total drug cost. In 2023, CMS named 1,528 claims across 38 drugs.
Dr. Donner's Part D claims by kind of drug, 2024
- Generic951 claims37%
- Brand-name1,464 claims56%
- Other177 claims7%
Dr. Donner'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5282024: 2,27949%
Drugs named by CMS: 43 in 2024, 38 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. Thomas W. Donner scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Donner for performance year 2024, reported as part of a group. CMS lists Dr. Donner as offering telehealth.
- Offers telehealth
- Yes
Dr. Donner's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas W. Donner has 24 publications on record
Dmand AI links 24 papers to Dr. Donner, published from 2012 to 2024. 2012 was the busiest year, with 3. The most frequent topics are Diabetes Mellitus, Type 1, Hypoglycemic Agents and B-Lymphocytes. Dr. Donner has published most often in Front Immunol. Dr. Donner's most frequent co-authors are Richard G. Bach, MD, Robert L. Frye, MD and Eric B. Bass, MD.
Dr. Donner's papers by year, 2012 to 2024
Topics Dr. Donner writes about most
- Diabetes Mellitus, Type 1
- Hypoglycemic Agents
- B-Lymphocytes
- Diabetes Mellitus, Type 2
- Autoimmune Diseases
- C-Peptide
- Glycated Hemoglobin
- Immunotherapy
Dr. Donner's most frequent co-authors
Recent publications by Dr. Donner
J Diabetes Res
Cell Immunol
See who Dr. Donner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Donner works with, so you can find a warm path to the right endocrinologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas W. Donner received $1,922 in industry payments from 2016 to 2024
CMS Open Payments shows 19 general payments to Dr. Donner from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 38% of the total. Novo Nordisk AS paid the most, $958.
General payments to Dr. Donner by program year, 2016 to 2024
General payments to Dr. Donner by kind, 2016 to 2024
- Food and beverage$72938%
- Travel and lodging$55829%
- Education$35518%
- Speaker and faculty fees$25013%
- Device or supply loans$302%
Companies that paid Dr. Donner the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas W. Donner graduated from University of Virginia School of Medicine
Dr. Donner graduated from University of Virginia School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas W. Donner'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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 W. Donner
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 W. Donner's NPI number?
Dr. Thomas W. Donner's NPI number is 1659329977. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas W. Donner?
Dr. Thomas W. Donner is an endocrinologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Thomas W. Donner practice?
Dr. Donner practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Donner's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Donner to 1 medical group.
What is Dr. Thomas W. Donner's office phone number?
The practice phone on file for Dr. Donner is (855) 662-3017.
What is Dr. Thomas W. Donner's medical license number?
Dr. Donner holds Maryland license D40059.
Which hospitals is Dr. Thomas W. Donner affiliated with?
Dr. Donner is affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Thomas W. Donner part of?
Dr. Donner is linked to Johns Hopkins University. Dmand AI links Dr. Donner to 1 more medical group.
Does Dr. Thomas W. Donner accept Medicare?
Yes. CMS data shows Dr. Donner billed Medicare for 485 services in 2024.
Does Dr. Thomas W. Donner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Donner as offering telehealth services.
What is Dr. Thomas W. Donner's MIPS score?
Dr. Donner's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Thomas W. Donner see?
CMS counts 276 Medicare patients who saw Dr. Donner in 2024, with an average age of 72.
What services does Dr. Thomas W. Donner bill to Medicare?
In 2024, Dr. Donner's most billed Medicare services were office visit, established patient (99214), medical service (95251) and office visit, established patient (99215).
Where did Dr. Thomas W. Donner go to medical school?
Dr. Donner graduated from University of Virginia School of Medicine in 1986.
What drugs does Dr. Thomas W. Donner prescribe most?
In 2024 Medicare Part D data, Dr. Donner's most prescribed drugs by claims were Mounjaro, Ozempic and Jardiance.
Has Dr. Thomas W. Donner received payments from drug or device companies?
CMS Open Payments shows $1,922 in general payments to Dr. Donner from 5 companies from 2016 to 2024. The largest total came from Novo Nordisk AS.
How long has Dr. Thomas W. Donner been practicing?
Dr. Donner graduated from medical school in 1986, 40 years ago.
Does Dr. Thomas W. Donner do research?
Dmand AI links 24 publications to Dr. Donner, published from 2012 to 2024.
Who does Dr. Thomas W. Donner publish with?
Dr. Donner's most frequent co-authors are Richard G. Bach, MD (2 shared papers), Robert L. Frye, MD (2 shared papers) and Eric B. Bass, MD (1 shared paper).
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