Dr. Evan L. Siegel, MD
- Medicare services, 2024
- 84,970
- Medicare patients, 2024
- 819
- Part D claims, 2024
- 1,503
- Publications
- 11
- MIPS score, 2024
- 86
- Practice address
- 14995 Shady Grove Rd Suite 500, Rockville, MD 20850
- Practice phone
- Call (301) 942-3126
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arthritis and Rheumatism Associates - Rockville 5
Clinical Lab - Full Service · Rockville, Maryland
Find Dr. Siegel's professional email, personal email and mobile number
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Dr. Evan L. Siegel is a rheumatologist in Rockville, Maryland
Dr. Siegel practices at Arthritis and Rheumatism Associates - Rockville 5 in Rockville, Maryland.
Dr. Siegel's NPI, 1578562617, was assigned on July 20, 2005. Dr. Siegel graduated from Boston University School of Medicine in 1988. Dr. Siegel holds Maryland license D0038512.
- NPI
- 1578562617NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921009796
- NPI enumeration date
- July 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 942-3126
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Evan L. Siegel practices at Arthritis and Rheumatism Associates - Rockville 5 in Rockville, Maryland
Dr. Siegel's primary practice is Arthritis and Rheumatism Associates - Rockville 5, at 14995 Shady Grove Rd Suite 500, Rockville, MD 20850. The practice phone is (301) 942-3126.
- Arthritis and Rheumatism Associates - Rockville 514995 Shady Grove Rd Suite 500, Rockville, MD 20850Phone(301) 942-3126
Source: Dmand AI Affiliation Data
Dr. Evan L. Siegel is affiliated with 2 sites of care and 1 medical group
Dr. Siegel's primary practice is Arthritis and Rheumatism Associates - Rockville 5 in Rockville, Maryland. Dr. Siegel is also affiliated with Adventist HealthCare Rehabilitation. The medical group on file is Arthritis and Rheumatism Associates, P.C. Dr. Siegel's employer is on file too: a clinical lab.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Evan L. Siegel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siegel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arthritis and Rheumatism Associates - Rockville 5 | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Evan L. Siegel is one of 177 rheumatologists in Maryland
Rheumatology is Dr. Siegel's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Siegel is licensed in Maryland.
Specialties and state licenses
- Rheumatology, MarylandPrimary
Rheumatologists near Dr. Siegel
Counts of rheumatologists 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. Evan L. Siegel billed Medicare for 84,970 services in 2024
CMS data shows 84,970 Medicare services from Dr. Siegel across 57 procedure codes in 2024, for 819 Medicare patients. Medicare paid $1,066,990 for them. Every service was in an office.
Dr. Siegel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 57,5432024: 76,87734%
- Lab and pathology
- 2023: 3,3092024: 3,2681%
- Office and hospital visits
- 2023: 1,2062024: 1,201No change
- Tests and treatments
- 2023: 9692024: 1,13017%
- Other services
- 2023: 1,7962024: 1,07440%
- Surgery
- 2023: 8482024: 8114%
- Imaging
- 2023: 6652024: 6098%
Dr. Siegel compared with the Maryland median for rheumatologists, 2024
- Dr. Siegel
- Maryland median
- Medicare services
- 84,970vs 3,91521.7 times
- Medicare patients
- 819vs 3002.7 times
- Part D claims
- 1,307vs 78267% above
Medians across 168 rheumatologists in Maryland with Dmand AI profiles that report each measure.
Dr. Siegel'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. Evan L. Siegel treated 819 Medicare patients in 2024, average age 76
CMS counts 819 Medicare patients who saw Dr. Siegel in 2024. The largest group is 65 to 74, with 333 patients. 75% of them have high cholesterol, and 73% have arthritis. 8% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Siegel's median patient age at 71, with 78% women.
Dr. Siegel's Medicare patients by age, 2024
Dr. Siegel's Medicare patients by sex, 2024
- Women66381%
- Men15619%
Chronic conditions among Dr. Siegel's Medicare patients, 2024
- High cholesterol75%
- Arthritis73%
- High blood pressure68%
- Osteoporosis64%
- Ischemic heart disease25%
- Mood disorders24%
- Depression22%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siegel'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
- Women78%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Evan L. Siegel wrote 1,503 Medicare Part D claims in 2024
In 2024, Dr. Siegel wrote 1,503 Medicare Part D claims for 255 patients. 86% of them were for generic drugs. CMS names the drug for 1,307 of them, across 29 drugs with 11 or more claims each, at $1,124,843 in total drug cost. In 2023, CMS named 1,212 claims across 32 drugs.
Dr. Siegel's Part D claims by kind of drug, 2024
- Generic1,296 claims86%
- Brand-name and other207 claims14%
Dr. Siegel'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. Siegel's Part D claims, 2024
- Opioids4%56 of 1,503 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: 1,2122024: 1,3078%
Drugs named by CMS: 29 in 2024, 32 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. Evan L. Siegel scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Siegel for performance year 2024, reported as part of a group. Dr. Siegel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siegel as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Siegel's MIPS scores, performance year 2024
- 86of 100Final score
- 93.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 59of 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. Evan L. Siegel has 11 publications on record
Dmand AI links 11 papers to Dr. Siegel, published from 2015 to 2025. 2022 was the busiest year, with 2. The most frequent topics are Arthritis, Psoriatic, Psoriasis and Antirheumatic Agents. Dr. Siegel has published most often in Trends Biotechnol. Dr. Siegel's most frequent co-authors are Nehal N. Mehta, MD, Joel M. Gelfand, MD and David Alan Bluemke, MD.
Dr. Siegel's papers by year, 2015 to 2025
Topics Dr. Siegel writes about most
- Arthritis, Psoriatic
- Psoriasis
- Antirheumatic Agents
- Coronary Artery Disease
- Fluorodeoxyglucose F18
- Positron Emission Tomography Computed Tomography
Dr. Siegel's most frequent co-authors
- Nehal N. Mehta, MD4 shared papers
- Joel M. Gelfand, MD3 shared papers
- David Alan Bluemke, MD2 shared papers
Recent publications by Dr. Siegel
Trends Biotechnol
See who Dr. Siegel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siegel 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. Evan L. Siegel received $1,001,951 in industry payments from 2016 to 2025
CMS Open Payments shows 1,331 general payments to Dr. Siegel from 35 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 53% of the total. Abbvie Inc. paid the most, $417,062.
General payments to Dr. Siegel by program year, 2016 to 2025
General payments to Dr. Siegel by kind, 2016 to 2025
- Speaker and faculty fees$534,69653%
- Consulting fees$323,77632%
- Travel and lodging$76,4308%
- Honoraria$41,3664%
- Other$25,6843%
Companies that paid Dr. Siegel 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. Evan L. Siegel graduated from Boston University School of Medicine
Dr. Siegel graduated from Boston University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Evan L. Siegel'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)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. Evan L. Siegel
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What is Dr. Evan L. Siegel's NPI number?
Dr. Evan L. Siegel's NPI number is 1578562617. It was assigned on July 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Evan L. Siegel?
Dr. Evan L. Siegel is a rheumatologist in Rockville, Maryland. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Evan L. Siegel practice?
Dr. Siegel practices at 14995 Shady Grove Rd Suite 500, Rockville, MD 20850. Dr. Siegel's primary practice is Arthritis and Rheumatism Associates - Rockville 5 in Rockville, Maryland.
What is Dr. Evan L. Siegel's office phone number?
The practice phone on file for Dr. Siegel is (301) 942-3126.
What is Dr. Evan L. Siegel's medical license number?
Dr. Siegel holds Maryland license D0038512.
Which hospitals is Dr. Evan L. Siegel affiliated with?
Dr. Siegel is affiliated with Adventist HealthCare Rehabilitation.
What medical group is Dr. Evan L. Siegel part of?
Dr. Siegel is linked to Arthritis and Rheumatism Associates, P.C.
Does Dr. Evan L. Siegel accept Medicare?
Yes. CMS data shows Dr. Siegel billed Medicare for 84,970 services in 2024, and Dr. Siegel accepts Medicare assignment.
Does Dr. Evan L. Siegel offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Siegel as offering telehealth services.
What is Dr. Evan L. Siegel's MIPS score?
Dr. Siegel's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Evan L. Siegel see?
CMS counts 819 Medicare patients who saw Dr. Siegel in 2024, with an average age of 76.
What services does Dr. Evan L. Siegel bill to Medicare?
In 2024, Dr. Siegel's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J3111) and injected or infused drug (J0897).
Where did Dr. Evan L. Siegel go to medical school?
Dr. Siegel graduated from Boston University School of Medicine in 1988.
What drugs does Dr. Evan L. Siegel prescribe most?
In 2024 Medicare Part D data, Dr. Siegel's most prescribed drugs by claims were Methotrexate, Duloxetine HCl and Meloxicam.
Has Dr. Evan L. Siegel received payments from drug or device companies?
CMS Open Payments shows $1,001,951 in general payments to Dr. Siegel from 35 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Evan L. Siegel been practicing?
Dr. Siegel graduated from medical school in 1988, 38 years ago.
Does Dr. Evan L. Siegel do research?
Dmand AI links 11 publications to Dr. Siegel, published from 2015 to 2025.
Who does Dr. Evan L. Siegel publish with?
Dr. Siegel's most frequent co-authors are Nehal N. Mehta, MD (4 shared papers), Joel M. Gelfand, MD (3 shared papers) and David Alan Bluemke, MD (2 shared papers).
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