Alexander Wayne Cobb, DO
Internal Medicine Physician · Grand Rapids, MI
Alexander Wayne Cobb, DO is an internal medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1427543990, issued on Jun 27, 2018. Check the license (Michigan 5101024900, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Alexander Wayne Cobb
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101024900 MI
Self-reported in NPPES; status is on the state search - Practice location
- 100 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 391-3139
- Enumerated
- Jun 27, 2018
- Record last updated
- Jan 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20210706001135); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 100 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 Alexander Wayne Cobb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101024900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
264 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Furosemide14 claims
- Atorvastatin Calcium13 claims
- Oxycodone Hcl12 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.
2 hospitals and group practices
- Mclaren Bay RegionBay City, MI · Acute Care Hospitals1 of 5 stars
- Mclaren Hospital GroupBay City, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
451 internal medicine physician records list a practice address in Grand Rapids
They are 451 of the 18,005 NPPES records with a practice address in Grand Rapids, and 5,735 internal medicine physician records in Michigan.
All 451 in Grand Rapids → All 5,735 in Michigan → Every provider in Grand Rapids →
Other internal medicine physician records in Michigan
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- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is Alexander Wayne Cobb, DO's NPI number?
Alexander Wayne Cobb, DO's National Provider Identifier (NPI) is 1427543990, issued on Jun 27, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Wayne Cobb, DO located?
The NPPES record lists a practice address at 100 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 391-3139. Providers update this record themselves, so call before visiting.
How can I verify Alexander Wayne Cobb, DO's license?
NPPES lists Michigan license number 5101024900, 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.
How much does Alexander Wayne Cobb, DO prescribe under Medicare Part D?
In 2024, Alexander Wayne Cobb, DO had 264 Medicare Part D claims for 103 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.