NPPES file of Aug 9, 2026

Peter Alan Lassing, MD

Diagnostic Radiology Physician · Grand Rapids, MI

Peter Alan Lassing, MD is a diagnostic radiology physician with a practice address in Grand Rapids, Michigan, and NPI 1427140227, issued on Sep 29, 2006. Check the license (Michigan 4301033828, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1427140227
Name
Peter Alan Lassing
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
4301033828 MI
Self-reported in NPPES; status is on the state search
Practice location
3264 N Evergreen Drive NE, Grand Rapids, MI 49525
Phone
(616) 363-7272
Enumerated
Sep 29, 2006
Record last updated
Jun 26, 2023
Fax
(616) 361-5828
Medicaid IDs
32635200 WI
4830754 MI
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.
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Also registered at 3264 N Evergreen Drive NE

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

  1. Marina Ananich, MDNeuroradiology Physician1588691950
  2. George Ascherl, M.D.Diagnostic Radiology Physician1285604942
  3. Scott Cheney, M.D.Diagnostic Radiology Physician1881664548
  4. Gerard Farrar, MDNeuroradiology Physician1174543102
  5. Ramakrishnayya Gadam, M.D.Diagnostic Radiology Physician1053381723
  6. Sigrid Messana, D.O.Diagnostic Radiology Physician1609847334

Verify Peter Alan Lassing in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301033828
    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 Michigan 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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Peter Alan Lassing among 1,584 diagnostic radiology physician records in Michigan

Peter Alan Lassing, MD is one of 1,584 diagnostic radiology physician records with a practice address in Michigan. 70% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 50% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

262 diagnostic radiology physician records list a practice address in Grand Rapids

They are 262 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,584 diagnostic radiology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. George Ascherl, M.D.Grand Rapids, MI 495251285604942
  2. Scott Cheney, M.D.Grand Rapids, MI 495251881664548
  3. Daniel Do-Dai, M.D.Grand Rapids, MI 495251326049727
  4. Alan Engel, MDGrand Rapids, MI 495251184619637
  5. Jay Harolds, MDGrand Rapids, MI 495251720081649
  6. Lewis Jones, M.D.Grand Rapids, MI 495251467449199
  7. Jan Mourelatos, M.D.Grand Rapids, MI 495251003895228
  8. Gopi Nallani, M.D.Grand Rapids, MI 495251780654343

Common questions

What is Peter Alan Lassing, MD's NPI number?

Peter Alan Lassing, MD's National Provider Identifier (NPI) is 1427140227, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Alan Lassing, MD located?

The NPPES record lists a practice address at 3264 N Evergreen Drive NE, Grand Rapids, MI, 49525. Phone: (616) 363-7272. Providers update this record themselves, so call before visiting.

How can I verify Peter Alan Lassing, MD's license?

NPPES lists Michigan license number 4301033828, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. 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.