Mark Kallus, MD
Internal Medicine Physician · Coldwater, MI
Mark Kallus, MD is an internal medicine physician with a practice address in Coldwater, Michigan, and NPI 1306896352, issued on May 11, 2006. Check the license (Michigan 4301053693, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Kallus
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301053693 MI
Self-reported in NPPES; status is on the state search - Practice location
- 360 E Chicago St, Coldwater, MI 49036
- Phone
- (517) 278-8871
- Enumerated
- May 11, 2006
- Entity
- Type 1 · individual
Also registered at 360 E Chicago St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Kallus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine
Search for license 4301053693Check 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
109 Medicare Part D claims for 14 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium14 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.
7 internal medicine physician records list a Coldwater practice address
They are 7 of the 534 NPPES records with a Coldwater practice address, and 6,589 internal medicine physician records in Michigan.
All 7 in Coldwater → All 6,589 in Michigan → Every provider in Coldwater →
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 Mark Kallus, MD's NPI number?
Mark Kallus, MD's National Provider Identifier (NPI) is 1306896352, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kallus, MD located?
The NPPES record lists a practice address at 360 E Chicago St, Coldwater, MI, 49036. Phone: (517) 278-8871. Providers update this record themselves, so call before visiting.
How can I verify Mark Kallus, MD's license?
NPPES lists Michigan license number 4301053693, 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 Mark Kallus, MD prescribe under Medicare Part D?
In 2024, Mark Kallus, MD had 109 Medicare Part D claims for 14 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.