Gary Langnas, D.O.
Internal Medicine Physician · Madison Heights, MI
Gary Langnas, D.O. is an internal medicine physician with a practice address in Madison Heights, Michigan, and NPI 1063496818, issued on Dec 5, 2005. Check the license (Michigan 5101009201, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gary Langnas
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101009201 MI
Self-reported in NPPES; status is on the state search - Practice location
- 27483 Dequindre RD, Madison Heights, MI 48071
- Phone
- (248) 547-6603
- Enumerated
- Dec 5, 2005
- Record last updated
- Feb 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (248) 547-5696
- Medicaid ID
- 1063496818 MI
- Medicare enrollment
- Enrolled (PECOS I20040217000162); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1985
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 27483 Dequindre RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Berg, D.O.Pulmonary Disease Physician1083698997
- Denise Davis, P.A.Physician Assistant1790704062
- Dennis Kelly, D.O.Orthopaedic Surgery Physician1619909793
- Syed Khan, M.D.Diagnostic Radiology Physician1326231325
- Michael Laffer, D.O.Pulmonary Disease Physician1639153497
- Madison Majewski, RDRegistered Dietitian1467312611
Verify Gary Langnas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101009201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average internal medicine physician in 2024
13,081 Medicare Part D claims for 1,219 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. 346 claims were for opioids.
Most prescribed
- Atorvastatin Calcium844 claims
- Losartan Potassium489 claims
- Amlodipine Besylate446 claims
- Levothyroxine Sodium401 claims
- Lisinopril390 claims
- Furosemide375 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: $609.54
28 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Henry Ford Semi Medical GroupMacomb, MI
- Michigan Healthcare Professionals PCMadison Heights, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Langnas among 5,735 internal medicine physician records in Michigan
Gary Langnas, D.O. 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 updated2011 · 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).
11 internal medicine physician records list a practice address in Madison Heights
They are 11 of the 726 NPPES records with a practice address in Madison Heights, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Madison Heights → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alexis Federman, D.O.Madison Heights, MI 480711346433422
- Habib Gennaoui, MDMadison Heights, MI 480711437140225
- Saurabh Gupta, M.D.Madison Heights, MI 480711912926510
- James Kohlenberg, MDMadison Heights, MI 480711720079437
- Slobodan Kovacevic, M.D.Madison Heights, MI 480711609087204
- Girija Maripudi, MDMadison Heights, MI 480711346306685
- Robert Reid, M.D.Madison Heights, MI 480711306947486
- Anthony Shen, D.O.Madison Heights, MI 480711619218336
Common questions
What is Gary Langnas, D.O.'s NPI number?
Gary Langnas, D.O.'s National Provider Identifier (NPI) is 1063496818, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary Langnas, D.O. located?
The NPPES record lists a practice address at 27483 Dequindre RD, Madison Heights, MI, 48071. Phone: (248) 547-6603. Providers update this record themselves, so call before visiting.
How can I verify Gary Langnas, D.O.'s license?
NPPES lists Michigan license number 5101009201, 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 Gary Langnas, D.O. prescribe under Medicare Part D?
In 2024, Gary Langnas, D.O. had 13,081 Medicare Part D claims for 1,219 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.