Daniel Michael Halloran, MD
Family Medicine Physician · Berwyn, IL
Daniel Michael Halloran, MD is a family medicine physician with a practice address in Berwyn, Illinois, and NPI 1255081113, issued on Mar 24, 2022. Check the license (Illinois 125.080488, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Daniel Michael Halloran
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 125.080488 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3249 S Oak Park Ave, Berwyn, IL 60402
- Phone
- (708) 783-2000
- Enumerated
- Mar 24, 2022
- Record last updated
- Jun 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20251125000987); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 3249 S Oak Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karen Saffa, RD LDNRegistered Dietitian1760554562
Verify Daniel Michael Halloran 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 125.080488Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
320 Medicare Part D claims for 45 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Metformin Hcl18 claims
- Omeprazole18 claims
- Hydrochlorothiazide17 claims
- Amlodipine Besylate15 claims
- Gabapentin15 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.
Bills Medicare through one group practice
- Mercy Health System CorporationLake Geneva, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Michael Halloran among 6,215 family medicine physician records in Illinois
Daniel Michael Halloran, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2006 among the 3,714 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 family medicine physician records list a practice address in Berwyn
They are 99 of the 1,031 NPPES records with a practice address in Berwyn, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Berwyn → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Catherine Anichini, MDBerwyn, IL 604021023040904
- Blanca Baldoceda, MDBerwyn, IL 604021871533703
- Sheila Berndt, M.D.Berwyn, IL 604021134122617
- Phillip Boch, D.O.Berwyn, IL 604021699767186
- Mrudula Desai, MDBerwyn, IL 604021063470029
- Nejat Destani, M.D.Berwyn, IL 604021295738771
- Michael Gershberg, M.D.Berwyn, IL 604021679576029
- Matthew Hsieh, M.D.Berwyn, IL 604021174526511
Common questions
What is Daniel Michael Halloran, MD's NPI number?
Daniel Michael Halloran, MD's National Provider Identifier (NPI) is 1255081113, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Michael Halloran, MD located?
The NPPES record lists a practice address at 3249 S Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-2000. Providers update this record themselves, so call before visiting.
How can I verify Daniel Michael Halloran, MD's license?
NPPES lists Illinois license number 125.080488, 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 Michael Halloran, MD prescribe under Medicare Part D?
In 2024, Daniel Michael Halloran, MD had 320 Medicare Part D claims for 45 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.