Rachel Tatz, MD
Family Medicine Physician · Chicago, IL
Rachel Tatz, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1831688126, issued on May 2, 2018. Check the license (Illinois 036158019, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Rachel Tatz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036158019 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1333 W Belmont Ave Ste 200, Chicago, IL 60657
- Phone
- (312) 926-3627
- Enumerated
- May 2, 2018
- Record last updated
- Jan 12, 2022
- Fax
- (312) 694-1885
- Medicare enrollment
- Enrolled (PECOS I20211215002593); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1333 W Belmont Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Harrison GarciaStudent in an Organized Health Care Education/Training Program1003683699
Verify Rachel Tatz 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 036158019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family medicine physician in 2024
1,357 Medicare Part D claims for 101 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium148 claims
- Amlodipine Besylate64 claims
- Rosuvastatin Calcium64 claims
- Losartan Potassium59 claims
- Lisinopril54 claims
- Levothyroxine Sodium47 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel Tatz among 6,215 family medicine physician records in Illinois
Rachel Tatz, 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 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · 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).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
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Common questions
What is Rachel Tatz, MD's NPI number?
Rachel Tatz, MD's National Provider Identifier (NPI) is 1831688126, issued on May 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Tatz, MD located?
The NPPES record lists a practice address at 1333 W Belmont Ave Ste 200, Chicago, IL, 60657. Phone: (312) 926-3627. Providers update this record themselves, so call before visiting.
How can I verify Rachel Tatz, MD's license?
NPPES lists Illinois license number 036158019, 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 Rachel Tatz, MD prescribe under Medicare Part D?
In 2024, Rachel Tatz, MD had 1,357 Medicare Part D claims for 101 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Rachel Tatz, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.