Deborah Ann Katz, MD
Hematology (Internal Medicine) Physician · Chicago, IL
Deborah Ann Katz, MD is a hematology (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1396901500, issued on Aug 7, 2008. Check the license (Illinois 036-125429, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Deborah Ann Katz
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- 036-125429 IL
125.053016 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1653 W Congress Pkwy, Chicago, IL 60612
- Phone
- (312) 942-5000
- Enumerated
- Aug 7, 2008
- Record last updated
- Nov 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100917000400); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 47 in Illinois → Look up another NPI →
Also registered at 1653 W Congress Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raid Abdulla, MDPediatric Cardiology Physician1710037742
- Pooja AgarwalPsychiatry Physician1407411689
- Heidi Aguilar, CRNACertified Registered Nurse Anesthetist1043703796
- Jenny AhnEmergency Registered Nurse1124836622
- Marwah Al Tekreeti, MDAnatomic Pathology & Clinical Pathology Physician1891539268
- Laila Abdulla Al-Harthy, RNRegistered Nurse1619832722
Verify Deborah Ann Katz 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 036-125429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
433 Medicare Part D claims for 58 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Acyclovir86 claims
- Hydroxyurea42 claims
- Dexamethasone30 claims
- Sulfamethoxazole-Trimethoprim30 claims
- Revlimid23 claims
- Allopurinol21 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
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deborah Ann Katz among 47 hematology (internal medicine) physician records in Illinois
Deborah Ann Katz, MD is one of 47 hematology (internal medicine) physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 34% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2007 · median 2003 among the 31 with a school on file
- Record last updated2015 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Illinois
There are 47 hematology (internal medicine) physician records in Illinois.
All 47 in Illinois → Every provider in Chicago → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Irene Dehghan-Paz, MDChicago, IL 606121801053905
- Kunal Desai, MD MBA MSChicago, IL 606121982100012
- Sefer Gezer, M.D.Chicago, IL 606121700845153
- Stephanie Gregory, M.D.Chicago, IL 606121356300719
- Hosam Khayal, MDChicago, IL 606121144271206
- Seo-Hyun Kim, M.D.Chicago, IL 606121710253992
- Melissa Larson, M.D.Chicago, IL 606121912967688
- John QuigleyChicago, IL 606121912010323
Common questions
What is Deborah Ann Katz, MD's NPI number?
Deborah Ann Katz, MD's National Provider Identifier (NPI) is 1396901500, issued on Aug 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Deborah Ann Katz, MD located?
The NPPES record lists a practice address at 1653 W Congress Pkwy, Chicago, IL, 60612. Phone: (312) 942-5000. Providers update this record themselves, so call before visiting.
How can I verify Deborah Ann Katz, MD's license?
NPPES lists Illinois license number 036-125429, 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 Deborah Ann Katz, MD prescribe under Medicare Part D?
In 2024, Deborah Ann Katz, MD had 433 Medicare Part D claims for 58 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.