David J. Alengo, MD
Family Medicine Physician · Wauconda, IL
David J. Alengo, MD is a family medicine physician with a practice address in Wauconda, Illinois, and NPI 1356335996, issued on Sep 9, 2005. Check the license (Illinois 036083468, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David J. Alengo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036083468 IL
Self-reported in NPPES; status is on the state search - Practice location
- 431 W Liberty St, Wauconda, IL 60084
- Phone
- (847) 526-2151
- Enumerated
- Sep 9, 2005
- Record last updated
- May 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (847) 526-2017
- Medicaid ID
- 036083468 IL
- Medicare enrollment
- Enrolled (PECOS I20040422001572); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1989
- Entity
- Type 1 · individual
Also registered at 431 W Liberty St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hazel Acacio, APNPNurse Practitioner1205471679
- Pamela Basas Malda, NPNurse Practitioner1891238200
- Jennifer Bellucci Jackson, MDFamily Medicine Physician1689669293
- Lady BowennesheimFamily Nurse Practitioner1790175826
- Megan Copeland, FNPFamily Nurse Practitioner1497587851
- Michelle Delich, MSN, APRN, FNP-BCFamily Nurse Practitioner1114640612
Verify David J. Alengo 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 036083468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average family medicine physician in 2024
1,792 Medicare Part D claims for 151 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 119 claims were for opioids.
Most prescribed
- Alprazolam105 claims
- Amlodipine Besylate72 claims
- Albuterol Sulfate Hfa62 claims
- Lisinopril60 claims
- Acetaminophen-Codeine49 claims
- Pregabalin40 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: $438.96
21 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Family Medicine Specialists S.C.Wauconda, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 family medicine physician records list a practice address in Wauconda
They are 5 of the 158 NPPES records with a practice address in Wauconda, and 6,215 family medicine physician records in Illinois.
All 5 in Wauconda → All 6,215 in Illinois → Every provider in Wauconda →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ahmed Abdelkader, MDChicago, IL1659104230
- Guy Abderholden, MDAntioch, IL1902899792
Common questions
What is David J. Alengo, MD's NPI number?
David J. Alengo, MD's National Provider Identifier (NPI) is 1356335996, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David J. Alengo, MD located?
The NPPES record lists a practice address at 431 W Liberty St, Wauconda, IL, 60084. Phone: (847) 526-2151. Providers update this record themselves, so call before visiting.
How can I verify David J. Alengo, MD's license?
NPPES lists Illinois license number 036083468, 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 David J. Alengo, MD prescribe under Medicare Part D?
In 2024, David J. Alengo, MD had 1,792 Medicare Part D claims for 151 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.