David A. Lootens, MD
Internal Medicine Physician · Ypsilanti, MI
David A. Lootens, MD is an internal medicine physician with a practice address in Ypsilanti, Michigan, and NPI 1558372144, issued on Aug 10, 2006. Check the license (Michigan DL045342, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- David A. Lootens
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DL045342 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3145 W Clark RD, Ypsilanti, MI 48197
- Phone
- (734) 528-5700
- Enumerated
- Aug 10, 2006
- Record last updated
- Sep 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (734) 528-5701
- Medicaid ID
- 2754626 MI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 3145 W Clark RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer BrownSpeech-Language Pathologist1023409307
- Charlotte CahillPhysical Therapist1548717713
Verify David A. Lootens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license DL045342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
26 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amlodipine Besylate-Benazepril13 claims
- Atorvastatin Calcium13 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.
David A. Lootens among 5,735 internal medicine physician records in Michigan
David A. Lootens, MD 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2015 · 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).
198 internal medicine physician records list a practice address in Ypsilanti
They are 198 of the 3,625 NPPES records with a practice address in Ypsilanti, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Ypsilanti → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sabah Al-Attar, M.DYpsilanti, MI 481971285697821
- Imad Ayyar, M.D.Ypsilanti, MI 481971073515268
- Daniel Cahill, M.D.Ypsilanti, MI 481971801897376
- Jack Carman, M.D.Ypsilanti, MI 481971285635474
- John Hopper, MDYpsilanti, MI 481971184680977
- Eugene Liu, M.D.Ypsilanti, MI 481971770584930
- Shyam Mahesh, M.D.Ypsilanti, MI 481971962407569
- Marc Mastropaolo, DOYpsilanti, MI 481971982667002
Common questions
What is David A. Lootens, MD's NPI number?
David A. Lootens, MD's National Provider Identifier (NPI) is 1558372144, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Lootens, MD located?
The NPPES record lists a practice address at 3145 W Clark RD, Ypsilanti, MI, 48197. Phone: (734) 528-5700. Providers update this record themselves, so call before visiting.
How can I verify David A. Lootens, MD's license?
NPPES lists Michigan license number DL045342, 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 David A. Lootens, MD prescribe under Medicare Part D?
In 2024, David A. Lootens, MD had 26 Medicare Part D claims; 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.