James G. Lahti, M.D.
MOHS-Micrographic Surgery Physician · Northbrook, IL
James G. Lahti, M.D. is a mohs-micrographic surgery physician with a practice address in Northbrook, Illinois, and NPI 1689783086, issued on Aug 30, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James G. Lahti
- Credential
- M.D.
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- Practice location
- 400 Skokie Blvd, Northbrook, IL 60062
- Phone
- (847) 272-4433
- Enumerated
- Aug 30, 2006
- Record last updated
- Sep 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20031211000507); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1994
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 43 in Illinois → Look up another NPI →
Also registered at 400 Skokie Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruce Bennin, M.D.Dermatology Physician1902915507
- Anne Bronner, M.D.Dermatology Physician1740399245
- Peter Hallarman, M.D.Dermatology Physician1033228549
- Nicole Huffman, M.D.Dermatology Physician1740448927
- George Lewitt, M.D.Dermatology Physician1902031313
- Gina Marafino, M.D.Dermatology Physician1679682959
Verify James G. Lahti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average mohs-micrographic surgery physician in 2024
934 Medicare Part D claims for 542 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Mupirocin455 claims
- Cefadroxil333 claims
- Doxycycline Hyclate74 claims
- Valacyclovir11 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): 97.3 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: $183.88
7 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 1,074 providers of this specialty with any payment received $4,075.23 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
- Dermatology Partners OF The North Shore LLCNorthbrook, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James G. Lahti among 43 mohs-micrographic surgery physician records in Illinois
James G. Lahti, M.D. is one of 43 mohs-micrographic surgery physician records with a practice address in Illinois. 88% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 51% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1994 · median 2002 among the 36 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in Illinois
There are 43 mohs-micrographic surgery physician records in Illinois.
All 43 in Illinois → Every provider in Northbrook → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Kelly Park, M.D.Northbrook, IL 600621659683993
- Owen KramerElmhurst, IL 601261477086874
- Michelle Pipitone, MDGlen Ellyn, IL 601371992757066
- Robert Kolbusz, M.D.Lombard, IL 601481669403457
- Paula Lapinski, M.D.Lombard, IL 601481437262482
- Vanessa Lichon, M.D.Lombard, IL 601481528294097
- James Quertermous, M.D.Hoffman Estates, IL 601921184919508
- Sogyong Auh, MDCrest Hill, IL 604031578852836
Common questions
What is James G. Lahti, M.D.'s NPI number?
James G. Lahti, M.D.'s National Provider Identifier (NPI) is 1689783086, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James G. Lahti, M.D. located?
The NPPES record lists a practice address at 400 Skokie Blvd, Northbrook, IL, 60062. Phone: (847) 272-4433. Providers update this record themselves, so call before visiting.
How can I verify James G. Lahti, M.D.'s license?
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 James G. Lahti, M.D. prescribe under Medicare Part D?
In 2024, James G. Lahti, M.D. had 934 Medicare Part D claims for 542 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.
What is James G. Lahti, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.3 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.