Mark W. Schaar, MD
Family Medicine Physician · Lansing, MI
Mark W. Schaar, MD is a family medicine physician with a practice address in Lansing, Michigan, and NPI 1932180148, issued on Nov 7, 2005. Check the license (Michigan 4301050244, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark W. Schaar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301050244 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3955 Patient Care Dr Ste A, Lansing, MI 48911
- Phone
- (517) 374-7600
- Enumerated
- Nov 7, 2005
- Record last updated
- Mar 20, 2025
- Fax
- (885) 480-9150
- Medicaid ID
- 4279805 MI
- Medicare enrollment
- Enrolled (PECOS I20040831000028); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 3955 Patient Care Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shweta Bhatnagar, DOInternal Medicine Physician1366023830
- Hitesh Bhatt, D.OInternal Medicine Physician1477716579
- Annelise Bowman, NPFamily Nurse Practitioner1225871148
- Felix Chalu, NP-CNurse Practitioner1730686916
- Sarah Corgan, NPGerontology Nurse Practitioner1962157586
- Garrett Descoteaux-Friday, D.O.Internal Medicine Physician1922539717
Verify Mark W. Schaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301050244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average family medicine physician in 2024
6,576 Medicare Part D claims for 386 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 264 claims were for opioids.
Most prescribed
- Atorvastatin Calcium335 claims
- Levothyroxine Sodium258 claims
- Rosuvastatin Calcium181 claims
- Lisinopril177 claims
- Omeprazole172 claims
- Losartan Potassium161 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: $2,647.02
127 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Capital Internal Medicine Associates P.C.Lansing, MI
- Powerback Rehabilitation LLCJackson, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark W. Schaar among 6,013 family medicine physician records in Michigan
Mark W. Schaar, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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, 89% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1985 · median 2008 among the 3,493 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
176 family medicine physician records list a practice address in Lansing
They are 176 of the 5,276 NPPES records with a practice address in Lansing, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Lansing → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jonathan Altman, MDLansing, MI 489111457327827
- Mackenzie Dickinson, DOLansing, MI 489111003301557
- Margaret Gerrits, MDLansing, MI 489111417040080
- Lee Jordan, MDLansing, MI 489111205240439
- Kip Kaercher, D.O.Lansing, MI 489111528036035
- Mark Kidwell, D.O.Lansing, MI 489111366892150
- Jesse Landhuis, MDLansing, MI 489111255431920
- Eric Lewandowski, DOLansing, MI 489111750362216
Common questions
What is Mark W. Schaar, MD's NPI number?
Mark W. Schaar, MD's National Provider Identifier (NPI) is 1932180148, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark W. Schaar, MD located?
The NPPES record lists a practice address at 3955 Patient Care Dr Ste A, Lansing, MI, 48911. Phone: (517) 374-7600. Providers update this record themselves, so call before visiting.
How can I verify Mark W. Schaar, MD's license?
NPPES lists Michigan license number 4301050244, 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 Mark W. Schaar, MD prescribe under Medicare Part D?
In 2024, Mark W. Schaar, MD had 6,576 Medicare Part D claims for 386 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.