David N. Alter, MD
Chemical Pathology Physician · Grand Rapids, MI
David N. Alter, MD is a chemical pathology physician with a practice address in Grand Rapids, Michigan, and NPI 1679569404, issued on Sep 27, 2005. Check the license (Michigan 4301074759, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- David N. Alter
- Credential
- MD
- Primary taxonomy
- Chemical Pathology Physician 207ZP0104X
- License numbers
- 4301074759 MI
81251 GA
Self-reported in NPPES; status is on the state search - Practice location
- 35 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 267-2660
- Enumerated
- Sep 27, 2005
- Record last updated
- Aug 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- 4485349 MI
4485330 MI - Medicare enrollment
- Enrolled (PECOS I20190201000826); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1993
- Entity
- Type 1 · individual
3 nearest chemical pathology physician records → All 4 in Michigan → Look up another NPI →
Also registered at 35 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David N. Alter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301074759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 92.3 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).
Bills Medicare through one group practice
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chemical Pathology Physician providers in Michigan
There are 4 chemical pathology physician records in Michigan.
All 4 in Michigan → Every provider in Grand Rapids → Chemical Pathology Physician nationwide →
The 3 chemical pathology physician records with the nearest ZIP codes
- Noel Lawson, MDDetroit, MI 482361124133947
- Yvonne Posey, MDRoyal Oak, MI 480731467447151
- Caitlin Schein, M.D.Royal Oak, MI 480731952539124
Common questions
What is David N. Alter, MD's NPI number?
David N. Alter, MD's National Provider Identifier (NPI) is 1679569404, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David N. Alter, MD located?
The NPPES record lists a practice address at 35 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 267-2660. Providers update this record themselves, so call before visiting.
How can I verify David N. Alter, MD's license?
NPPES lists Michigan license number 4301074759, 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.
What is David N. Alter, MD's MIPS final score?
The 2023 MIPS final score is 92.3 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.