Brian D. Mahany, DO
Internal Medicine Physician · Lansing, MI
Brian D. Mahany, DO is an internal medicine physician with a practice address in Lansing, Michigan, and NPI 1821084153, issued on Sep 22, 2005. Check the license (Michigan BM009760, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Brian D. Mahany
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- BM009760 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2311 S Cedar St, Lansing, MI 48910
- Phone
- (517) 484-7900
- Enumerated
- Sep 22, 2005
- Record last updated
- Nov 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (517) 484-1113
- Medicare enrollment
- Enrolled (PECOS I20040324001176); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 2311 S Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edward Swisher, MDInternal Medicine Physician1396731634
Verify Brian D. Mahany in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license BM009760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,083 Medicare Part D claims for 565 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 326 claims were for opioids.
Most prescribed
- Levothyroxine Sodium560 claims
- Atorvastatin Calcium525 claims
- Losartan Potassium380 claims
- Amlodipine Besylate291 claims
- Omeprazole222 claims
- Simvastatin217 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: $208.49
5 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 2 group practices
- Mid Michigan Internal Medicine PCLansing, MI
- Powerback Rehabilitation LLCGrand Ledge, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian D. Mahany among 5,735 internal medicine physician records in Michigan
Brian D. Mahany, DO is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1985 · median 2006 among the 3,564 with a school on file
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 internal medicine physician records list a practice address in Lansing
They are 135 of the 5,276 NPPES records with a practice address in Lansing, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Lansing → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Alvarado, DOLansing, MI 489101073772968
- Jill Barry, MDLansing, MI 489101285629238
- Stephanie BaukusLansing, MI 489101578981189
- Aaron Bohrer, D.O.Lansing, MI 489101548472079
- Caroline Heideman, DOLansing, MI 489101891229100
- Ujwala Koduru, MDLansing, MI 489101700290806
- Anthony Meier, MDLansing, MI 489101134236268
- Jill Mitchell, D.OLansing, MI 489101457585002
Common questions
What is Brian D. Mahany, DO's NPI number?
Brian D. Mahany, DO's National Provider Identifier (NPI) is 1821084153, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Brian D. Mahany, DO located?
The NPPES record lists a practice address at 2311 S Cedar St, Lansing, MI, 48910. Phone: (517) 484-7900. Providers update this record themselves, so call before visiting.
How can I verify Brian D. Mahany, DO's license?
NPPES lists Michigan license number BM009760, 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 Brian D. Mahany, DO prescribe under Medicare Part D?
In 2024, Brian D. Mahany, DO had 9,083 Medicare Part D claims for 565 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.