NPPES file of Aug 9, 2026

Maryam Zia

Hematology (Internal Medicine) Physician · Chicago, IL

Maryam Zia is a hematology (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1083930101, issued on Apr 14, 2010. Check the license (Illinois 036-133337, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083930101
Name
Maryam Zia
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
036-133337 IL
Self-reported in NPPES; status is on the state search
Practice location
1900 W Polk St RM 775, Chicago, IL 60612
Phone
(312) 864-7250
Enumerated
Apr 14, 2010
Record last updated
May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(312) 864-9002
Medicare enrollment
Enrolled (PECOS I20240329000673); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Maryam Zia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-133337
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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76% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

121 Medicare Part D claims for 36 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Maryam Zia121
  2. Specialty average496

Most prescribed

  1. Imatinib Mesylate17 claims
  2. Tasigna11 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%67.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $122.98

5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maryam Zia$123
  2. Specialty average$13,778

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ssm Health Care GroupSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maryam Zia among 47 hematology (internal medicine) physician records in Illinois

Maryam Zia 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 2010, is newer than 70% of them.

  • NPI issued2010 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2010 · median 2003 among the 31 with a school on file
  • Record last updated2021 · 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.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Irene Dehghan-Paz, MDChicago, IL 606121801053905
  2. Kunal Desai, MD MBA MSChicago, IL 606121982100012
  3. Sefer Gezer, M.D.Chicago, IL 606121700845153
  4. Stephanie Gregory, M.D.Chicago, IL 606121356300719
  5. Deborah Katz, MDChicago, IL 606121396901500
  6. Hosam Khayal, MDChicago, IL 606121144271206
  7. Seo-Hyun Kim, M.D.Chicago, IL 606121710253992
  8. Melissa Larson, M.D.Chicago, IL 606121912967688

Common questions

What is Maryam Zia's NPI number?

Maryam Zia's National Provider Identifier (NPI) is 1083930101, issued on Apr 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Maryam Zia located?

The NPPES record lists a practice address at 1900 W Polk St RM 775, Chicago, IL, 60612. Phone: (312) 864-7250. Providers update this record themselves, so call before visiting.

How can I verify Maryam Zia's license?

NPPES lists Illinois license number 036-133337, 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 Maryam Zia prescribe under Medicare Part D?

In 2024, Maryam Zia had 121 Medicare Part D claims for 36 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

What is Maryam Zia's MIPS final score?

The 2023 MIPS final score is 84.6 of 100, reported for the practice group. 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.