Mark A. Speyer, MD
Hospice and Palliative Medicine (Internal Medicine) Physician · Winfield, IL
Mark A. Speyer, MD is a hospice and palliative medicine (internal medicine) physician with a practice address in Winfield, Illinois, and NPI 1649464488, issued on Sep 5, 2007. Check the license (Illinois 036119500, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark A. Speyer
- Credential
- MD
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- 036119500 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD, Winfield, IL 60190
- Phone
- (630) 933-4847
- Enumerated
- Sep 5, 2007
- Record last updated
- Jan 24, 2024
- Fax
- (630) 933-3826
- Medicare enrollment
- Enrolled (PECOS I20080108000928); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 94 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hossam Abdel Aziz, MDHospitalist Physician1114558145
- Imran Ahmad, M.D.Interventional Cardiology Physician1871760934
- Christopher Ahuja, MDNeurological Surgery Physician1316625288
- Batul Al-Zubeidy, MDSurgery Physician1568725711
- Hia Alazzam, APRN, CRNACertified Registered Nurse Anesthetist1760068167
Verify Mark A. Speyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036119500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
489 Medicare Part D claims for 87 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 244 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen92 claims
- Gabapentin60 claims
- Fentanyl58 claims
- Morphine Sulfate Er38 claims
- Duloxetine Hcl37 claims
- Pregabalin31 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Central Dupage Physician GroupWinfield, IL
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Speyer among 94 hospice and palliative medicine (internal medicine) physician records in Illinois
Mark A. Speyer, MD is one of 94 hospice and palliative medicine (internal medicine) physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 64% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2004 · median 2011 among the 64 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in Illinois
There are 94 hospice and palliative medicine (internal medicine) physician records in Illinois.
All 94 in Illinois → Every provider in Winfield → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Bridget Gulling, M.D.Winfield, IL 601901760646384
- Temu Brown, M.D.Evanston, IL 602011205179348
- Anita Pattani, MDEvanston, IL 602011720347669
- Lauren Wiebe, MDEvanston, IL 602011811193592
- Sanjay Amin, M.D.Lombard, IL 601481982733507
- Diane Rapaport, M.D.Lombard, IL 601481003024175
- Zachary Hildner, DOGeneva, IL 601341477094654
- Eric Shepard, MDGeneva, IL 601341689021107
Common questions
What is Mark A. Speyer, MD's NPI number?
Mark A. Speyer, MD's National Provider Identifier (NPI) is 1649464488, issued on Sep 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Speyer, MD located?
The NPPES record lists a practice address at 25 N Winfield RD, Winfield, IL, 60190. Phone: (630) 933-4847. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Speyer, MD's license?
NPPES lists Illinois license number 036119500, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Speyer, MD prescribe under Medicare Part D?
In 2024, Mark A. Speyer, MD had 489 Medicare Part D claims for 87 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Mark A. Speyer, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.