Natania S. Field, MD, PHD
Rheumatology Physician · Chicago, IL
Natania S. Field, MD, PHD is a rheumatology physician with a practice address in Chicago, Illinois, and NPI 1124606041, issued on Mar 31, 2021. Check the license (Illinois 125077821, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Natania S. Field
- Credential
- MD, PHD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 125077821 IL
036169610 IL
Self-reported in NPPES; status is on the state search - Practice location
- 251 E Huron St, Chicago, IL 60611
- Phone
- (312) 926-2000
- Enumerated
- Mar 31, 2021
- Record last updated
- May 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20260610003079); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 340 in Illinois → Look up another NPI →
Also registered at 251 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natania S. Field 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 125077821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average rheumatology physician in 2024
70 Medicare Part D claims for 21 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone15 claims
- Allopurinol12 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.
Industry payments in 2024: $231.59
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Natania S. Field among 340 rheumatology physician records in Illinois
Natania S. Field, MD, PHD is one of 340 rheumatology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2003 among the 244 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
All 340 in Illinois → Every provider in Chicago → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Adrienne Burford-Foggs, M.D.Chicago, IL 606111619921541
- Rowland Chang, MDChicago, IL 606111740243807
- Anisha Dua, MDChicago, IL 606111316104854
- Anjali Gopal, M.D.Chicago, IL 606111437236726
- Christine Hsieh, MDChicago, IL 606111851585798
- Barbara Jacks, MDChicago, IL 606111548230451
- Yvonne Lee, M.D., MMSC.Chicago, IL 606111427006402
- George Liang, MDChicago, IL 606111639284524
Common questions
What is Natania S. Field, MD, PHD's NPI number?
Natania S. Field, MD, PHD's National Provider Identifier (NPI) is 1124606041, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Natania S. Field, MD, PHD located?
The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 926-2000. Providers update this record themselves, so call before visiting.
How can I verify Natania S. Field, MD, PHD's license?
NPPES lists Illinois license number 125077821, 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 Natania S. Field, MD, PHD prescribe under Medicare Part D?
In 2024, Natania S. Field, MD, PHD had 70 Medicare Part D claims for 21 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.