NPPES file of Aug 9, 2026

David J. Schlagheck, MD

Family Medicine Physician · Spring Valley, IL

David J. Schlagheck, MD is a family medicine physician with a practice address in Spring Valley, Illinois, and NPI 1336255157, issued on Aug 22, 2006. Check the license (Illinois 036059055, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336255157
Name
David J. Schlagheck
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036059055 IL
Self-reported in NPPES; status is on the state search
Practice location
600 E 1St St, Spring Valley, IL 61362
Phone
(815) 663-2811
Enumerated
Aug 22, 2006
Record last updated
Aug 22, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(815) 664-5001
Medicaid ID
036059055 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 600 E 1St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Arkins, R.PH.Pharmacist1881724839
  2. Elizabeth Baker, MS, RD, LDNRegistered Dietitian1427307974
  3. Jessica Brown, RDRegistered Dietitian1245838176
  4. Marilyn Csernus, LD,CDE,MS,RDNutrition Education Nutritionist1093984932
  5. Geri Dew, R.D., LDNRegistered Dietitian1659609048
  6. Christopher Differding, PA-CPhysician Assistant1295002715

Verify David J. Schlagheck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036059055
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

David J. Schlagheck among 6,215 family medicine physician records in Illinois

David J. Schlagheck, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2008 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 family medicine physician records list a practice address in Spring Valley

They are 6 of the 73 NPPES records with a practice address in Spring Valley, and 6,215 family medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Opella Ernest, MDSpring Valley, IL 613621093866485
  2. Adam KressSpring Valley, IL 613621871233346
  3. Nicole Norris, M.D.Spring Valley, IL 613621689679599
  4. Benjamin Shepherd, M.D.Spring Valley, IL 613621720297591
  5. Richard Twanow, MDSpring Valley, IL 613621366558199
  6. Timothy Pratt, MDSheffield, IL 613611073719357
  7. Colin Kao, D.O.Seneca, IL 613601023129897
  8. Glen Ricca, M.D.Streator, IL 613641730134073

Common questions

What is David J. Schlagheck, MD's NPI number?

David J. Schlagheck, MD's National Provider Identifier (NPI) is 1336255157, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David J. Schlagheck, MD located?

The NPPES record lists a practice address at 600 E 1St St, Spring Valley, IL, 61362. Phone: (815) 663-2811. Providers update this record themselves, so call before visiting.

How can I verify David J. Schlagheck, MD's license?

NPPES lists Illinois license number 036059055, 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. 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.