NPPES file of Aug 9, 2026

Evan L. Siegel, M.D.

Rheumatology Physician · Rockville, MD

Evan L. Siegel, M.D. is a rheumatology physician with a practice address in Rockville, Maryland, and NPI 1578562617, issued on Jul 20, 2005. Check the license (Maryland D0038512, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578562617
Name
Evan L. Siegel
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
D0038512 MD
Self-reported in NPPES; status is on the state search
Practice location
14995 Shady Grove RD Ste 500, Rockville, MD 20850
Phone
(301) 942-7600
Enumerated
Jul 20, 2005
Record last updated
Feb 17, 2026
Fax
(301) 774-1799
Medicaid ID
53084100 MD
Medicare enrollment
Enrolled (PECOS I20100517000090); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1988
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14995 Shady Grove RD Ste 500

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Grace Ahn, M.D.Rheumatology Physician1982884896
  2. Jisoo Jang, PA-SPhysician Assistant1851280135
  3. Nitasha Kumar, M.D.Rheumatology Physician1093135113
  4. Jeffery Potter, M.D.Rheumatology Physician1295994481
  5. Sonia Silinsky Krupnikova, MDRheumatology Physician1477085918

Verify Evan L. Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0038512
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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24% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,503 Medicare Part D claims for 255 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 56 claims were for opioids.

  1. Evan Siegel1,503
  2. Specialty average1,978

Most prescribed

  1. Methotrexate141 claims
  2. Duloxetine Hcl123 claims
  3. Meloxicam111 claims
  4. Hydroxychloroquine Sulfate105 claims
  5. Allopurinol93 claims
  6. Celecoxib89 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%23.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $46,280.09

73 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Evan Siegel$46,280
  2. Specialty average$8,538

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Amber Hill Physical Therapy IncFrederick, MD
  2. Arthritis And Rheumatism Associates PCRockville, MD
  3. Suburban/nrh Medical Rehabilitation IncBethesda, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rheumatology Physician providers in Maryland

There are 214 rheumatology physician records in Maryland.

Other rheumatology physician records in Maryland

  1. Jonathan Adelson, M.D.Greenbelt, MD1700864501
  2. Naila Ahmad, MDEaston, MD1366451619
  3. Grace Ahn, M.D.Rockville, MD1982884896
  4. Ashika Ajitkumar, MDBaltimore, MD1659044436
  5. Maria Alba-Dauhajre, MDSilver Spring, MD1487676458
  6. Jemima Felicity Albayda, MDBaltimore, MD1285955765
  7. Shabnam Ali, M.D.Columbia, MD1487837837
  8. Dareen Almanabri, M.D.Hollywood, MD1679869051
  9. Mariam Ameri, MDAnnapolis, MD1588807861
  10. Brendan Antiochos, M.D.Baltimore, MD1174799092

Common questions

What is Evan L. Siegel, M.D.'s NPI number?

Evan L. Siegel, M.D.'s National Provider Identifier (NPI) is 1578562617, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Evan L. Siegel, M.D. located?

The NPPES record lists a practice address at 14995 Shady Grove RD Ste 500, Rockville, MD, 20850. Phone: (301) 942-7600. Providers update this record themselves, so call before visiting.

How can I verify Evan L. Siegel, M.D.'s license?

NPPES lists Maryland license number D0038512, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Evan L. Siegel, M.D. prescribe under Medicare Part D?

In 2024, Evan L. Siegel, M.D. had 1,503 Medicare Part D claims for 255 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Evan L. Siegel, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.