NPPES file of Aug 9, 2026

Michael Scott Klein, M.D.

Family Medicine Physician · Alton, IL

Michael Scott Klein, M.D. is a family medicine physician with a practice address in Alton, Illinois, and NPI 1790834737, issued on Jan 9, 2007. Check the license (Illinois 36-117409, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790834737
Name
Michael Scott Klein
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
36-117409 IL
Self-reported in NPPES; status is on the state search
Practice location
2 Saint Anthonys Way, Alton, IL 62002
Phone
(618) 462-2222
Enumerated
Jan 9, 2007
Record last updated
Jan 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(618) 463-5004
Medicare enrollment
Enrolled (PECOS I20070720000704); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2002
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →

Also registered at 2 Saint Anthonys Way

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

  1. Edward Blair, M.D.Internal Medicine Physician1093821605
  2. Kevin Boyd, D.O.Family Medicine Physician1407962012
  3. Lawrence Burch, M.D.Internal Medicine Physician1467568089
  4. Colin Butterfield, M.D.Internal Medicine Physician1952417578
  5. Soo Cho, M.D.Urology Physician1740227784
  6. Lisa Fritcher, PA-CPhysician Assistant1700112521

Verify Michael Scott Klein 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 36-117409    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.

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5.6 times the Medicare Part D claims of the average family medicine physician in 2024

19,694 Medicare Part D claims for 1,288 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 1,465 claims were for opioids.

  1. Michael Klein19,694
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium946 claims
  2. Hydrocodone-Acetaminophen881 claims
  3. Amlodipine Besylate658 claims
  4. Levothyroxine Sodium610 claims
  5. Losartan Potassium583 claims
  6. Lisinopril545 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.

Bills Medicare through one group practice

  1. Osf Multi-Specialty GroupAlton, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Scott Klein among 6,215 family medicine physician records in Illinois

Michael Scott Klein, M.D. 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. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2002 · median 2006 among the 3,714 with a school on file
  • Record last updated2014 · 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).

37 family medicine physician records list a practice address in Alton

They are 37 of the 1,113 NPPES records with a practice address in Alton, and 6,215 family medicine physician records in Illinois.

All 6,215 in Illinois → Every provider in Alton → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Laura Bird, M.D.Alton, IL 620021295720993
  2. Kevin Boyd, D.O.Alton, IL 620021407962012
  3. Jaleesa Gilbert-Gortman, MDAlton, IL 620021710484332
  4. Victor Hidalgo, M.D.Alton, IL 620021235353830
  5. Mark Klucka, D.O.Alton, IL 620021801902432
  6. Priya Kumaraguru, M.D.Alton, IL 620021902062862
  7. Mena Luangjamekorn, MDAlton, IL 620021255320578
  8. Megha Manek, MDAlton, IL 620021841446473

Common questions

What is Michael Scott Klein, M.D.'s NPI number?

Michael Scott Klein, M.D.'s National Provider Identifier (NPI) is 1790834737, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael Scott Klein, M.D. located?

The NPPES record lists a practice address at 2 Saint Anthonys Way, Alton, IL, 62002. Phone: (618) 462-2222. Providers update this record themselves, so call before visiting.

How can I verify Michael Scott Klein, M.D.'s license?

NPPES lists Illinois license number 36-117409, 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 Michael Scott Klein, M.D. prescribe under Medicare Part D?

In 2024, Michael Scott Klein, M.D. had 19,694 Medicare Part D claims for 1,288 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.