NPPES file of Aug 9, 2026

Cornelius Hoktsim Lam, M.D.

Neurological Surgery Physician · Minneapolis, MN

Cornelius Hoktsim Lam, M.D. is a neurological surgery physician with a practice address in Minneapolis, Minnesota, and NPI 1871695098, issued on Sep 1, 2006. Check the license (Minnesota 40740, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871695098
Name
Cornelius Hoktsim Lam
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
40740 MN
Self-reported in NPPES; status is on the state search
Practice location
420 Delaware St SE # Mmc96, Minneapolis, MN 55455
Phone
(612) 624-5433
Enumerated
Sep 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20031219000477); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 1987
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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Verify Cornelius Hoktsim Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 40740
    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 Minnesota license search

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93% fewer Medicare Part D claims than the average neurological surgery physician in 2024

12 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Cornelius Lam12
  2. Specialty average172

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 practice group's MIPS final score for 2023 (Medicare payment program): 82.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.5
  2. Costout of 100 · 30%38.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Fairview Express CareMinneapolis, MN
  2. University OF Minnesota Health Clinics And Surgery Center IncMinneapolis, MN

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

Cornelius Hoktsim Lam among 174 neurological surgery physician records in Minnesota

Cornelius Hoktsim Lam, M.D. is one of 174 neurological surgery physician records with a practice address in Minnesota. 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, 67% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1987 · median 2006 among the 112 with a school on file
  • Record last updated2007 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Minnesota

There are 174 neurological surgery physician records in Minnesota.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Leopold Arko, M.D.Minneapolis, MN 554551508183195
  2. David Darrow, MDMinneapolis, MN 554551649614496
  3. Truong Do, M.D.Minneapolis, MN 554551023540952
  4. Daniel Guillaume, MDMinneapolis, MN 554551932193083
  5. Stephen Haines, M.D.Minneapolis, MN 554551255365540
  6. Logan Helland, MDMinneapolis, MN 554551598176836
  7. Matthew Hunt, M.D.Minneapolis, MN 554551619017787
  8. Stefan Kim, M.D.Minneapolis, MN 554551952500191

Common questions

What is Cornelius Hoktsim Lam, M.D.'s NPI number?

Cornelius Hoktsim Lam, M.D.'s National Provider Identifier (NPI) is 1871695098, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cornelius Hoktsim Lam, M.D. located?

The NPPES record lists a practice address at 420 Delaware St SE # Mmc96, Minneapolis, MN, 55455. Phone: (612) 624-5433. Providers update this record themselves, so call before visiting.

How can I verify Cornelius Hoktsim Lam, M.D.'s license?

NPPES lists Minnesota license number 40740, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cornelius Hoktsim Lam, M.D. prescribe under Medicare Part D?

In 2024, Cornelius Hoktsim Lam, M.D. had 12 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Cornelius Hoktsim Lam, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.3 of 100, reported for the practice group. 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.