Jennifer Anne Regan Delacruz, MD
Infectious Disease Physician · Winfield, IL
Jennifer Anne Regan Delacruz, MD is an infectious disease physician with a practice address in Winfield, Illinois, and NPI 1164740254, issued on May 13, 2010. Check the license (Illinois 036132162, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jennifer Anne Regan Delacruz
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 036132162 IL
125056188 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD, Winfield, IL 60190
- Phone
- (630) 933-7400
- Enumerated
- May 13, 2010
- Record last updated
- Sep 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (630) 933-4168
- Medicare enrollment
- Enrolled (PECOS I20150729008601); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer Anne Regan Delacruz 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 036132162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average infectious disease physician in 2024
749 Medicare Part D claims for 156 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Cephalexin108 claims
- Ampicillin-Sulbactam58 claims
- Fosfomycin Tromethamine50 claims
- Cefazolin Sodium44 claims
- Doxycycline Hyclate44 claims
- Sulfamethoxazole-Trimethoprim39 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).
Industry payments in 2024: $13.20
1 payment: education; the largest payer was Shionogi Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Central Dupage Physician GroupWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Anne Regan Delacruz among 464 infectious disease physician records in Illinois
Jennifer Anne Regan Delacruz, MD is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 61% of them.
- NPI issued2010 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2009 · median 2004 among the 311 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Winfield → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Robert Chase, MDWinfield, IL 601901417295411
- Luis Manrique, M.D.Winfield, IL 601901245257062
- G White, M.D.Winfield, IL 601901427095629
- Mary Acree, M.D.Evanston, IL 602011336378348
- Faisal Alqoofi, MDEvanston, IL 602011952556771
- Jennifer Grant, M.D.Evanston, IL 602011396078176
- Katherine Kaplar, D.O.Evanston, IL 602011720498660
- Ronak Parikh, DOEvanston, IL 602011114337805
Common questions
What is Jennifer Anne Regan Delacruz, MD's NPI number?
Jennifer Anne Regan Delacruz, MD's National Provider Identifier (NPI) is 1164740254, issued on May 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Anne Regan Delacruz, MD located?
The NPPES record lists a practice address at 25 N Winfield RD, Winfield, IL, 60190. Phone: (630) 933-7400. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Anne Regan Delacruz, MD's license?
NPPES lists Illinois license number 036132162, 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 Jennifer Anne Regan Delacruz, MD prescribe under Medicare Part D?
In 2024, Jennifer Anne Regan Delacruz, MD had 749 Medicare Part D claims for 156 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Jennifer Anne Regan Delacruz, 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.