NPPES file of Aug 9, 2026

Karla Marie Kasza, D.O.

Internal Medicine Physician · Riverview, MI

Karla Marie Kasza, D.O. is an internal medicine physician with a practice address in Riverview, Michigan, and NPI 1891006987, issued on Jun 23, 2010. Check the license (Michigan 5101018818, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891006987
Name
Karla Marie Kasza
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
5101018818 MI
Self-reported in NPPES; status is on the state search
Practice location
18580 Fort St, Riverview, MI 48193
Phone
(734) 479-8800
Enumerated
Jun 23, 2010
Record last updated
Mar 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(734) 283-4861
Medicare enrollment
Enrolled (PECOS I20140107001079); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2010
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18580 Fort St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Holle Janeski, DOInternal Medicine Physician1508864174
  2. Trisha Tucker, AGACNP-BC, FNP-BCNurse Practitioner1235788035
  3. Amy Van Dusen, PA-CMedical Physician Assistant1942520119

Verify Karla Marie Kasza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101018818
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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50% more Medicare Part D claims than the average internal medicine physician in 2024

4,778 Medicare Part D claims for 393 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 392 claims were for opioids.

  1. Karla Kasza4,778
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium229 claims
  2. Hydrocodone-Acetaminophen221 claims
  3. Levothyroxine Sodium216 claims
  4. Metoprolol Succinate123 claims
  5. Pantoprazole Sodium118 claims
  6. Lisinopril112 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: $23.13

1 payment: food and beverage; the largest payer was Pfizer Inc. 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.

  1. Karla Kasza$23.13
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Metro Shores Internal Medicine, PLLCRiverview, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karla Marie Kasza among 5,735 internal medicine physician records in Michigan

Karla Marie Kasza, 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 2010, is newer than 54% of them.

  • NPI issued2010 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2010 · median 2006 among the 3,564 with a school on file
  • Record last updated2021 · 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).

7 internal medicine physician records list a practice address in Riverview

They are 7 of the 182 NPPES records with a practice address in Riverview, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Benedict Go, MDRiverview, MI 481931831147768
  2. Holle Janeski, DORiverview, MI 481931508864174
  3. Arshiya Mirza, D.O.Riverview, MI 481931295980159
  4. Michaele Oostendorp, DORiverview, MI 481931154329423
  5. Rachel Rogers, DORiverview, MI 481931013438068
  6. Steven Serra, D.O.Riverview, MI 481931346225299
  7. Ramy Alosachie, M.D.Wyandotte, MI 481921629331236
  8. Sameer Bhagwan, M.D.Wyandotte, MI 481921942680673

Common questions

What is Karla Marie Kasza, D.O.'s NPI number?

Karla Marie Kasza, D.O.'s National Provider Identifier (NPI) is 1891006987, issued on Jun 23, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Karla Marie Kasza, D.O. located?

The NPPES record lists a practice address at 18580 Fort St, Riverview, MI, 48193. Phone: (734) 479-8800. Providers update this record themselves, so call before visiting.

How can I verify Karla Marie Kasza, D.O.'s license?

NPPES lists Michigan license number 5101018818, 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 Karla Marie Kasza, D.O. prescribe under Medicare Part D?

In 2024, Karla Marie Kasza, D.O. had 4,778 Medicare Part D claims for 393 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.