Maria Ignacio, M.D.
Internal Medicine Physician · Chicago, IL
Maria Ignacio, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1780607721, issued on Jul 25, 2006. Check the license (Illinois 036-081983, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria Ignacio
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-081983 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4025 N Western Ave, Chicago, IL 60618
- Phone
- (773) 275-7700
- Enumerated
- Jul 25, 2006
- Record last updated
- Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 4025 N Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaitlyn Beltrame, RDN, LDNRegistered Dietitian1467191981
- George Czajkowski, M.D.Internal Medicine Physician1821021007
- William Faber, M.D.Family Medicine Physician1992739981
Verify Maria Ignacio 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 036-081983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $241.41
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Maria Ignacio among 7,238 internal medicine physician records in Illinois
Maria Ignacio, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Irene Baral, M.D.Chicago, IL 606181982658373
- George Czajkowski, M.D.Chicago, IL 606181821021007
- Desiree Fabros-Munez, M.D.Chicago, IL 606181609800697
- Daniel Garrison, MDChicago, IL 606181215913652
- Danuta Kowalski, M.D.Chicago, IL 606181114947926
- Ireneusz Pawlowski, MDChicago, IL 606181588774616
- Neil Perlman, MDChicago, IL 606181245238344
- Bharat Shah, MDChicago, IL 606181568419570
Common questions
What is Maria Ignacio, M.D.'s NPI number?
Maria Ignacio, M.D.'s National Provider Identifier (NPI) is 1780607721, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Ignacio, M.D. located?
The NPPES record lists a practice address at 4025 N Western Ave, Chicago, IL, 60618. Phone: (773) 275-7700. Providers update this record themselves, so call before visiting.
How can I verify Maria Ignacio, M.D.'s license?
NPPES lists Illinois license number 036-081983, 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.
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.