Dr. Donald Eugene Thomas Jr., MD

  • Greenbelt, MD
  • Rheumatologist
NPI1730167545PAC ID6709047962
Medicare services, 2024
115,177
Medicare patients, 2024
445
Part D claims, 2024
1,748
Publications
4
MIPS score, 2024
90
Practice address
7300 Hanover Dr, Greenbelt, MD 20770
Practice phone
Call (301) 220-2333
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hanover Parkway Surgery Center, LLC

Greenbelt, Maryland

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Dr. Donald Eugene Thomas Jr. is a rheumatologist in Greenbelt, Maryland

Dr. Thomas practices at Hanover Parkway Surgery Center, LLC in Greenbelt, Maryland.

Dr. Thomas' NPI, 1730167545, was assigned on January 3, 2006. Dr. Thomas graduated from Baylor College of Medicine in 1989. Dr. Thomas holds Maryland license D52828.

NPI and contact details
Medicare PAC ID
6709047962
NPI enumeration date
January 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(301) 220-2333
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Donald Eugene Thomas Jr. practices at Hanover Parkway Surgery Center, LLC in Greenbelt, Maryland

Dr. Thomas' primary practice is Hanover Parkway Surgery Center, LLC, at 7300 Hanover Dr, Greenbelt, MD 20770 in Prince Georges County. The practice phone is (301) 220-2333.

  • Hanover Parkway Surgery Center, LLC
    7300 Hanover Dr, Greenbelt, MD 20770 · Prince Georges CountyPhone(301) 220-2333

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Donald Eugene Thomas Jr. is affiliated with 2 sites of care and 1 medical group

Dr. Thomas' primary practice is Hanover Parkway Surgery Center, LLC in Greenbelt, Maryland. The medical group on file is Arthritis and Pain Associates of PG County. Dmand AI also links Dr. Thomas to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Thomas

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Donald Eugene Thomas Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hanover Parkway Surgery Center, LLCAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Donald Eugene Thomas Jr. is one of 177 rheumatologists in Maryland

Rheumatology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Thomas is licensed in Maryland.

Specialties and state licenses

  • Rheumatology, MarylandPrimaryLicense D52828 · taxonomy 207RR0500X

Rheumatologists near Dr. Thomas

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

177rheumatologists in Maryland
7rheumatologists in Greenbelt

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Donald Eugene Thomas Jr. billed Medicare for 115,177 services in 2024

CMS data shows 115,177 Medicare services from Dr. Thomas across 65 procedure codes in 2024, for 445 Medicare patients. Medicare paid $1,920,690 for them. Every service was in an office.

Medicare services, 2024115,177
Medicare patients445
Paid by Medicare$1.9M
Procedure codes65

Dr. Thomas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 48,1122024: 108,143125%
Lab and pathology
2023: 312024: 2,4107674%
Tests and treatments
2023: 1,8122024: 2,38131%
Office and hospital visits
2023: 6602024: 83627%
Imaging
2023: 3402024: 60177%
Other services
2023: 2402024: 483101%
Surgery
2023: 2012024: 32361%

Dr. Thomas compared with the Maryland median for rheumatologists, 2024

  • Dr. Thomas
  • Maryland median
Medicare services
115,177vs 3,91529.4 times
Medicare patients
445vs 30048% above
Part D claims
1,485vs 78290% above

Medians across 168 rheumatologists in Maryland with Dmand AI profiles that report each measure.

Dr. Thomas' 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.

See all procedures by Dr. Thomas

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other rheumatologists in Maryland.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Donald Eugene Thomas Jr. treated 445 Medicare patients in 2024, average age 74

CMS counts 445 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 194 patients. 75% of them have arthritis, and 75% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 67, with 80% women.

Medicare patients, 2024445
Average age74
Average risk score1.36
Also on Medicaid9%

Dr. Thomas' Medicare patients by age, 2024

Dr. Thomas' Medicare patients by sex, 2024

  • Women38085%
  • Men6515%

Chronic conditions among Dr. Thomas' Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Osteoporosis57%
  5. Chronic kidney disease35%
  6. Diabetes32%
  7. Ischemic heart disease26%
  8. Mood disorders18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Thomas' 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

  • Women80%
  • Men17%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Donald Eugene Thomas Jr. wrote 1,748 Medicare Part D claims in 2024

In 2024, Dr. Thomas wrote 1,748 Medicare Part D claims for 188 patients. 79% of them were for generic drugs. CMS names the drug for 1,485 of them, across 43 drugs with 11 or more claims each, at $1,533,663 in total drug cost. In 2023, CMS named 993 claims across 27 drugs.

Part D claims, 20241,748
Drugs named by CMS43
Total drug cost$1.5M
Part D patients188

Dr. Thomas' Part D claims by kind of drug, 2024

  • Generic1,381 claims79%
  • Brand-name337 claims19%
  • Other30 claims2%

Dr. Thomas' 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. Thomas' Part D claims, 2024

  • Opioids7%118 of 1,748 claims
  • Antibiotics1%13 of 1,748 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: 9932024: 1,48550%

Drugs named by CMS: 43 in 2024, 27 in 2023.

See all prescribing by Dr. Thomas

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. Donald Eugene Thomas Jr. scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Thomas for performance year 2024, reported as part of a group. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thomas as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Thomas' MIPS scores, performance year 2024

  • 90of 100Final score
  • 100of 100Quality
  • 92of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 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. Donald Eugene Thomas Jr. has 4 publications on record

Dmand AI links 4 papers to Dr. Thomas, published from 2019 to 2024. 2024 was the busiest year, with 2. The most frequent topics are Lupus Erythematosus, Systemic. Dr. Thomas' most frequent co-authors are Steven Eric Carsons, MD, Nancy L. Carteron, MD and Kieron Dunleavy, MD.

Papers4
Years published2019 to 2024

Dr. Thomas' papers by year, 2019 to 2024

Topics Dr. Thomas writes about most

  • Lupus Erythematosus, Systemic

Dr. Thomas' most frequent co-authors

Recent publications by Dr. Thomas

See all 4 publications and co-authors

See who Dr. Thomas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomas works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Donald Eugene Thomas Jr. received $478,851 in industry payments from 2016 to 2025

CMS Open Payments shows 828 general payments to Dr. Thomas from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 67% of the total. GlaxoSmithKline, LLC. paid the most, $306,505.

General payments to Dr. Thomas by program year, 2016 to 2025

General payments to Dr. Thomas by kind, 2016 to 2025

$478.9Kin total
  • Speaker and faculty fees$320,79967%
  • Consulting fees$79,13917%
  • Travel and lodging$62,40013%
  • Food and beverage$16,3953%
  • Education$1180%

Companies that paid Dr. Thomas the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Thomas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Donald Eugene Thomas Jr. graduated from Baylor College of Medicine

Dr. Thomas graduated from Baylor College of Medicine in 1989.

  1. Medical schoolBaylor College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Donald Eugene Thomas Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Donald Eugene Thomas Jr.

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. Donald Eugene Thomas Jr.'s NPI number?

Dr. Donald Eugene Thomas Jr.'s NPI number is 1730167545. It was assigned on January 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Donald Eugene Thomas Jr.?

Dr. Donald Eugene Thomas Jr. is a rheumatologist in Greenbelt, Maryland. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Donald Eugene Thomas Jr. practice?

Dr. Thomas practices at 7300 Hanover Dr, Greenbelt, MD 20770. Dr. Thomas' primary practice is Hanover Parkway Surgery Center, LLC in Greenbelt, Maryland. Dmand AI also links Dr. Thomas to 1 group practice or clinic.

What is Dr. Donald Eugene Thomas Jr.'s office phone number?

The practice phone on file for Dr. Thomas is (301) 220-2333.

What is Dr. Donald Eugene Thomas Jr.'s medical license number?

Dr. Thomas holds Maryland license D52828.

What medical group is Dr. Donald Eugene Thomas Jr. part of?

Dr. Thomas is linked to Arthritis and Pain Associates of PG County.

Does Dr. Donald Eugene Thomas Jr. accept Medicare?

Yes. CMS data shows Dr. Thomas billed Medicare for 115,177 services in 2024, and Dr. Thomas accepts Medicare assignment.

Does Dr. Donald Eugene Thomas Jr. offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Thomas as offering telehealth services.

What is Dr. Donald Eugene Thomas Jr.'s MIPS score?

Dr. Thomas' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Dr. Donald Eugene Thomas Jr. see?

CMS counts 445 Medicare patients who saw Dr. Thomas in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Dr. Donald Eugene Thomas Jr. bill to Medicare?

In 2024, Dr. Thomas' most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J1602) and injected or infused drug (J1010).

Where did Dr. Donald Eugene Thomas Jr. go to medical school?

Dr. Thomas graduated from Baylor College of Medicine in 1989.

What drugs does Dr. Donald Eugene Thomas Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Hydroxychloroquine Sulfate, Leucovorin Calcium and Methotrexate.

Has Dr. Donald Eugene Thomas Jr. received payments from drug or device companies?

CMS Open Payments shows $478,851 in general payments to Dr. Thomas from 44 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Donald Eugene Thomas Jr. been practicing?

Dr. Thomas graduated from medical school in 1989, 37 years ago.

Does Dr. Donald Eugene Thomas Jr. do research?

Dmand AI links 4 publications to Dr. Thomas, published from 2019 to 2024.

Who does Dr. Donald Eugene Thomas Jr. publish with?

Dr. Thomas' most frequent co-authors are Steven Eric Carsons, MD (1 shared paper), Nancy L. Carteron, MD (1 shared paper) and Kieron Dunleavy, MD (1 shared paper).

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