Daniel H. Litoff, M.D.
Internal Medicine Physician · Chicago, IL
Daniel H. Litoff, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1891786372, issued on Nov 2, 2005. Check the license (Illinois 036070191, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Daniel H. Litoff
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036070191 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1460 N Halsted St, Chicago, IL 60642
- Phone
- (773) 880-0320
- Enumerated
- Nov 2, 2005
- Record last updated
- Mar 6, 2025
- Fax
- (312) 204-5501
- Medicaid ID
- 036070191 IL
- Medicare enrollment
- Enrolled (PECOS I20051202000011); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1460 N Halsted St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel H. Litoff 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 036070191Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,464 Medicare Part D claims for 674 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 181 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,053 claims
- Amlodipine Besylate747 claims
- Losartan Potassium369 claims
- Metoprolol Succinate307 claims
- Lisinopril269 claims
- Levothyroxine Sodium265 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
- Advocate Health And Hospitals CorporationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel H. Litoff among 7,238 internal medicine physician records in Illinois
Daniel H. Litoff, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1983 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anub Abraham, D.O.Chicago, IL 606421710143904
- Olayinka Akinola, M.D., MPHChicago, IL 606421043593049
- Sheila Bhagavan, M.D.Chicago, IL 606421811097298
- Nooshin Cohanim, M.D.Chicago, IL 606421780788968
- Merle Diamond, MDChicago, IL 606421780676668
- Erika Flores, M.D.Chicago, IL 606421346421591
- Joanna Martin, M.D.Chicago, IL 606421063523975
- Alan Newman, MDChicago, IL 606421649331646
Common questions
What is Daniel H. Litoff, M.D.'s NPI number?
Daniel H. Litoff, M.D.'s National Provider Identifier (NPI) is 1891786372, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel H. Litoff, M.D. located?
The NPPES record lists a practice address at 1460 N Halsted St, Chicago, IL, 60642. Phone: (773) 880-0320. Providers update this record themselves, so call before visiting.
How can I verify Daniel H. Litoff, M.D.'s license?
NPPES lists Illinois license number 036070191, 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 H. Litoff, M.D. prescribe under Medicare Part D?
In 2024, Daniel H. Litoff, M.D. had 10,464 Medicare Part D claims for 674 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.