Ana M. Tobiasz, M.D.
Maternal & Fetal Medicine Physician · Chicago, IL
Ana M. Tobiasz, M.D. is a maternal & fetal medicine physician with a practice address in Chicago, Illinois, and NPI 1538471248, issued on Jul 10, 2010. Check the license (Illinois 036178865, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ana M. Tobiasz
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License numbers
- 036178865 IL
4301096385 MI
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St Ste 10-1000, Chicago, IL 60611
- Phone
- (312) 695-7382
- Enumerated
- Jul 10, 2010
- Record last updated
- Apr 7, 2026
- Fax
- (312) 695-0014
- Medicare enrollment
- Enrolled (PECOS I20170830000550); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 128 in Illinois → Look up another NPI →
Also registered at 676 N Saint Clair St Ste 10-1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brady Evans, MS, MAGenetic Counselor (M.S.)1942137393
- Emma Trawick, MDObstetrics & Gynecology Physician1689134967
Verify Ana M. Tobiasz 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 036178865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024
17 Medicare Part D claims, against an average of 41 among the 353 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $34.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Pharmacosmos Therapeutics Inc. The 784 providers of this specialty with any payment received $1,252.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Sanford BismarckBismarck, ND
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana M. Tobiasz among 128 maternal & fetal medicine physician records in Illinois
Ana M. Tobiasz, M.D. is one of 128 maternal & fetal medicine physician records with a practice address in Illinois. 84% 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 66% of them.
- NPI issued2010 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2010 · median 2003 among the 97 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Illinois
There are 128 maternal & fetal medicine physician records in Illinois.
All 128 in Illinois → Every provider in Chicago → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Janelle Bolden, M.D.Chicago, IL 606111780892851
- Leeber Cohen, MDChicago, IL 606111346257961
- Kathleen Drexler, MDChicago, IL 606111952765497
- Stephanie Fisher, M.D.Chicago, IL 606111780037135
- Patricia Garcia, MDChicago, IL 606111639284946
- Susan Gerber, MDChicago, IL 606111679504179
- Jacqueline Hairston, MDChicago, IL 606111699138347
- Michelle Kominiarek, M.D.Chicago, IL 606111902822737
Common questions
What is Ana M. Tobiasz, M.D.'s NPI number?
Ana M. Tobiasz, M.D.'s National Provider Identifier (NPI) is 1538471248, issued on Jul 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ana M. Tobiasz, M.D. located?
The NPPES record lists a practice address at 676 N Saint Clair St Ste 10-1000, Chicago, IL, 60611. Phone: (312) 695-7382. Providers update this record themselves, so call before visiting.
How can I verify Ana M. Tobiasz, M.D.'s license?
NPPES lists Illinois license number 036178865, 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 Ana M. Tobiasz, M.D. prescribe under Medicare Part D?
In 2024, Ana M. Tobiasz, M.D. had 17 Medicare Part D claims; the average among maternal & fetal medicine physician prescribers was 41. Part D covers Medicare prescriptions only.
What is Ana M. Tobiasz, M.D.'s MIPS final score?
The 2023 MIPS final score is 84 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.