Michael Ahrens, MD
Internal Medicine Physician · Lansing, MI
Michael Ahrens, MD is an internal medicine physician with a practice address in Lansing, Michigan, and NPI 1669051215, issued on Apr 2, 2021. Check the license (Michigan 4301515242, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Ahrens
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4301515242 MI
94-10789 KS
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Collins RD, Lansing, MI 48910
- Phone
- (517) 975-6000
- Enumerated
- Apr 2, 2021
- Entity
- Type 1 · individual
Also registered at 2900 Collins RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zachary Abbate, MDStudent in an Organized Health Care Education/Training Program1316794761
- Amelia Ackerman-Burke, SLPSpeech-Language Pathologist1962260976
- Matthew AgnewCertified Registered Nurse Anesthetist1558407023
- Ruchi AgnihotriInternal Medicine Physician1356086599
- Ali Al-Waili, MDStudent in an Organized Health Care Education/Training Program1841984648
Verify Michael Ahrens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine
Search for license 4301515242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
115 Medicare Part D claims for 38 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Duloxetine Hcl13 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.
Industry payments in 2024: $372.38
9 payments, mostly food and beverage; the largest payer was Mylan Specialty L.P.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
148 internal medicine physician records list a Lansing practice address
They are 148 of the 5,276 NPPES records with a Lansing practice address, and 6,589 internal medicine physician records in Michigan.
All 148 in Lansing → All 6,589 in Michigan → Every provider in Lansing →
Other internal medicine physician records in Michigan
- Keith Aaronson, MDAnn Arbor, MI1144305301
- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Hawazin Abbas, MDAuburn Hills, MI1699020677
- Imran Abbasi, D.O.Warren, MI1427409887
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Joseph Abbo, MDYpsilanti, MI1982136503
Common questions
What is Michael Ahrens, MD's NPI number?
Michael Ahrens, MD's National Provider Identifier (NPI) is 1669051215, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michael Ahrens, MD located?
The NPPES record lists a practice address at 2900 Collins RD, Lansing, MI, 48910. Phone: (517) 975-6000. Providers update this record themselves, so call before visiting.
How can I verify Michael Ahrens, MD's license?
NPPES lists Michigan license number 4301515242, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Ahrens, MD prescribe under Medicare Part D?
In 2024, Michael Ahrens, MD had 115 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.