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Dr. John Thomas Berry, DO
NPI1417319690PAC ID6507159654
- Medicare services, 2024
- 78,459
- Medicare patients, 2024
- 501
- Part D claims, 2024
- 1,158
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 4709 Golf Rd Suite 300 Suite 300, Skokie, IL 60076-1233
- Practice phone
- Call (847) 869-7233
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arnold Arthritis & Rheumatology SC
Multi-specialty group site · Skokie, Illinois
Find Dr. Berry's professional email, personal email and mobile number
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Dr. John Thomas Berry is a rheumatologist in Skokie, Illinois
Dr. Berry practices at Arnold Arthritis & Rheumatology SC in Skokie, Illinois.
Dr. Berry's NPI, 1417319690, was assigned on March 25, 2016. Dr. Berry graduated from University of New England, College of Osteo Medicine in 2016. Dr. Berry holds Illinois license 036.148627.
NPI and contact details
- NPI
- 1417319690NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507159654
- NPI enumeration date
- March 25, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 869-7233
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Thomas Berry practices at Arnold Arthritis & Rheumatology SC in Skokie, Illinois
Dr. Berry's primary practice is Arnold Arthritis & Rheumatology SC, at 4709 Golf Rd Suite 300 Suite 300, Skokie, IL 60076-1233. The practice phone is (847) 869-7233.
- Arnold Arthritis & Rheumatology SC4709 Golf Rd Suite 300 Suite 300, Skokie, IL 60076-1233Phone(847) 869-7233
Source: Dmand AI Affiliation Data
Dr. John Thomas Berry is affiliated with 8 sites of care and 3 medical groups
Dr. Berry's primary practice is Arnold Arthritis & Rheumatology SC in Skokie, Illinois. Dr. Berry is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Berry to 4 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Arnold Arthritis & Rheumatology SCPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Thomas Berry's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Berry practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arnold Arthritis & Rheumatology SC | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Thomas Berry is one of 285 rheumatologists in Illinois
Rheumatology is Dr. Berry's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Berry is licensed in Illinois.
Specialties and state licenses
- Rheumatology, IllinoisPrimary
Rheumatologists near Dr. Berry
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
285rheumatologists in Illinois
5rheumatologists in Skokie
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Thomas Berry billed Medicare for 78,459 services in 2024
CMS data shows 78,459 Medicare services from Dr. Berry across 37 procedure codes in 2024, for 501 Medicare patients. Medicare paid $869,152 for them. Every service was in an office.
Medicare services, 202478,459
Medicare patients501
Paid by Medicare$869,152
Procedure codes37
Dr. Berry's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 24,1692024: 73,900206%
- Tests and treatments
- 2023: 1,6482024: 2,76368%
- Office and hospital visits
- 2023: 8322024: 1,12035%
- Other services
- 2023: 02024: 426
- Imaging
- 2023: 842024: 12852%
- Surgery
- 2023: 562024: 122118%
Dr. Berry compared with the Illinois median for rheumatologists, 2024
- Dr. Berry
- Illinois median
- Medicare services
- 78,459vs 98779.5 times
- Medicare patients
- 501vs 26291% above
- Part D claims
- 1,077vs 1,077Close to median
Medians across 290 rheumatologists in Illinois with Dmand AI profiles that report each measure.
Dr. Berry'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. Berry?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Berry and other rheumatologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Thomas Berry treated 501 Medicare patients in 2024, average age 75
CMS counts 501 Medicare patients who saw Dr. Berry in 2024. The largest group is 65 to 74, with 240 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Berry's median patient age at 71, with 69% women.
Medicare patients, 2024501
Average age75
Average risk score1.19
Dr. Berry's Medicare patients by age, 2024
Dr. Berry's Medicare patients by sex, 2024
- Women34769%
- Men15431%
Chronic conditions among Dr. Berry's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure65%
- Osteoporosis37%
- Anxiety25%
- Mood disorders25%
- Ischemic heart disease24%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Berry's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Thomas Berry wrote 1,158 Medicare Part D claims in 2024
In 2024, Dr. Berry wrote 1,158 Medicare Part D claims for 235 patients. 90% of them were for generic drugs. CMS names the drug for 1,077 of them, across 19 drugs with 11 or more claims each, at $78,553 in total drug cost. In 2023, CMS named 790 claims across 13 drugs.
Part D claims, 20241,158
Drugs named by CMS19
Total drug cost$78,553
Part D patients235
Dr. Berry's Part D claims by kind of drug, 2024
- Generic1,047 claims90%
- Brand-name and other111 claims10%
Dr. Berry'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: 7902024: 1,07736%
Drugs named by CMS: 19 in 2024, 13 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. John Thomas Berry takes part in Medicare
Dr. Berry 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. John Thomas Berry has 2 publications on record
Dmand AI links 2 papers to Dr. Berry in 2011. Dr. Berry's most frequent co-authors are Najib Nassani, MD, Anne Melissa Polick, MD and Nadera J. Sweiss, MD.
Papers2
Dr. Berry's most frequent co-authors
- Najib Nassani, MD1 shared paper
- Anne Melissa Polick, MD1 shared paper
- Nadera J. Sweiss, MD1 shared paper
Recent publications by Dr. Berry
See who Dr. Berry researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Berry works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Thomas Berry received $13,331 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. Berry from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 75% of the total. Novartis Pharmaceuticals Corporation paid the most, $11,719.
General payments to Dr. Berry by program year, 2016 to 2025
General payments to Dr. Berry by kind, 2016 to 2025
$13.3Kin total
- Consulting fees$10,01375%
- Food and beverage$2,03415%
- Travel and lodging$1,27210%
- Education$130%
Companies that paid Dr. Berry 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. John Thomas Berry graduated from University of New England, College of Osteo Medicine
Dr. Berry graduated from University of New England, College of Osteo Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Thomas Berry'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 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. John Thomas Berry
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. John Thomas Berry's NPI number?
Dr. John Thomas Berry's NPI number is 1417319690. It was assigned on March 25, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. John Thomas Berry?
Dr. John Thomas Berry is a rheumatologist in Skokie, Illinois. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. John Thomas Berry practice?
Dr. Berry practices at 4709 Golf Rd Suite 300 Suite 300, Skokie, IL 60076-1233. Dr. Berry's primary practice is Arnold Arthritis & Rheumatology SC in Skokie, Illinois. Dmand AI also links Dr. Berry to 4 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. John Thomas Berry's office phone number?
The practice phone on file for Dr. Berry is (847) 869-7233.
What is Dr. John Thomas Berry's medical license number?
Dr. Berry holds Illinois license 036.148627.
Which hospitals is Dr. John Thomas Berry affiliated with?
Dr. Berry is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Berry to 4 more hospitals.
What medical group is Dr. John Thomas Berry part of?
Dr. Berry is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Berry to 2 more medical groups.
Does Dr. John Thomas Berry accept Medicare?
Yes. CMS data shows Dr. Berry billed Medicare for 78,459 services in 2024, and Dr. Berry accepts Medicare assignment.
How many Medicare patients does Dr. John Thomas Berry see?
CMS counts 501 Medicare patients who saw Dr. Berry in 2024, with an average age of 75.
What services does Dr. John Thomas Berry bill to Medicare?
In 2024, Dr. Berry's most billed Medicare services were injected or infused drug (J0717), injected or infused drug (J3262) and injected or infused drug (J1602).
Show 6 more questionsShow fewer questions
Where did Dr. John Thomas Berry go to medical school?
Dr. Berry graduated from University of New England, College of Osteo Medicine in 2016.
What drugs does Dr. John Thomas Berry prescribe most?
In 2024 Medicare Part D data, Dr. Berry's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
Has Dr. John Thomas Berry received payments from drug or device companies?
CMS Open Payments shows $13,331 in general payments to Dr. Berry from 11 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. John Thomas Berry been practicing?
Dr. Berry graduated from medical school in 2016, 10 years ago.
Does Dr. John Thomas Berry do research?
Dmand AI links 2 publications to Dr. Berry.
Who does Dr. John Thomas Berry publish with?
Dr. Berry's most frequent co-authors are Najib Nassani, MD (1 shared paper), Anne Melissa Polick, MD (1 shared paper) and Nadera J. Sweiss, MD (1 shared paper).
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