Daniel Ash, MD
Hospitalist Physician · Chicago, IL
Daniel Ash, MD is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1831583723, issued on Mar 27, 2015. Check the license (Illinois 036146144, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Daniel Ash
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036146144 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1740 W Taylor St, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- Mar 27, 2015
- Record last updated
- Apr 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20231127000610); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 1740 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Ash 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 036146144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average hospitalist physician in 2024
139 Medicare Part D claims for 47 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Ash among 1,535 hospitalist physician records in Illinois
Daniel Ash, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 52% of them.
- NPI issued2015 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2015 · median 2013 among the 1,339 with a school on file
- Record last updated2025 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Catherine Dimou, M.D.Chicago, IL 606121073615076
- Ann Goh, M.D.Chicago, IL 606121013019728
- Dorian Guerra, M.D.Chicago, IL 606121053590430
- Scott Hasler, M.D.Chicago, IL 606121619079282
- Syed Hassan, M.D.Chicago, IL 606121902014962
- Richard Huh, M.D.Chicago, IL 606121487742409
- Jisu Kim, M.D.Chicago, IL 606121275645871
- Rudolf Kumapley, MBCHBChicago, IL 606121932138922
Common questions
What is Daniel Ash, MD's NPI number?
Daniel Ash, MD's National Provider Identifier (NPI) is 1831583723, issued on Mar 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Ash, MD located?
The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Daniel Ash, MD's license?
NPPES lists Illinois license number 036146144, 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 Daniel Ash, MD prescribe under Medicare Part D?
In 2024, Daniel Ash, MD had 139 Medicare Part D claims for 47 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.