Lynn M. Piest, MD
Internal Medicine Physician · Highland Park, IL
Lynn M. Piest, MD is an internal medicine physician with a practice address in Highland Park, Illinois, and NPI 1801853072, issued on Apr 29, 2006. Check the license (Illinois 036-082435, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lynn M. Piest
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-082435 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 Central Ave, Highland Park, IL 60035
- Phone
- (312) 926-3627
- Enumerated
- Apr 29, 2006
- Record last updated
- Oct 2, 2012 (not updated in 14 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 →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lynn M. Piest 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 036-082435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,861 Medicare Part D claims for 362 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium248 claims
- Levothyroxine Sodium139 claims
- Amlodipine Besylate89 claims
- Losartan Potassium79 claims
- Lisinopril65 claims
- Rosuvastatin Calcium57 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).
Lynn M. Piest among 7,238 internal medicine physician records in Illinois
Lynn M. Piest, MD 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 updated2012 · 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).
38 internal medicine physician records list a practice address in Highland Park
They are 38 of the 882 NPPES records with a practice address in Highland Park, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Highland Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Block, MDHighland Park, IL 600351316915192
- Kenneth Breger, MDHighland Park, IL 600351467429563
- Vuong Dang-Duc, MDHighland Park, IL 600351588630719
- Ronald Feingold, MDHighland Park, IL 600351114995966
- Lee Freedman, MDHighland Park, IL 600351497708556
- Robert Freilich, MDHighland Park, IL 600351528066347
- Barry Goldberg, MDHighland Park, IL 600351760450548
- Heberto Hernandez, MDHighland Park, IL 600351366419194
Common questions
What is Lynn M. Piest, MD's NPI number?
Lynn M. Piest, MD's National Provider Identifier (NPI) is 1801853072, issued on Apr 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynn M. Piest, MD located?
The NPPES record lists a practice address at 600 Central Ave, Highland Park, IL, 60035. Phone: (312) 926-3627. Providers update this record themselves, so call before visiting.
How can I verify Lynn M. Piest, MD's license?
NPPES lists Illinois license number 036-082435, 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 Lynn M. Piest, MD prescribe under Medicare Part D?
In 2024, Lynn M. Piest, MD had 1,861 Medicare Part D claims for 362 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Lynn M. Piest, 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.