NPPES file of Aug 9, 2026

Tiffany Christine Marchewka, DO

Critical Care Medicine (Internal Medicine) Physician · Royal Oak, MI

Tiffany Christine Marchewka, DO is a critical care medicine (internal medicine) physician with a practice address in Royal Oak, Michigan, and NPI 1326605494, issued on May 23, 2019. Check the license (Michigan 5151013577, 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
1326605494
Name
Tiffany Christine Marchewka
Credential
DO
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
5151013577 MI
Self-reported in NPPES; status is on the state search
Practice location
3601 W 13 Mile RD, Royal Oak, MI 48073
Phone
(248) 898-5000
Enumerated
May 23, 2019
Record last updated
Apr 11, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3601 W 13 Mile RD

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

  1. Mary Ann Abbass, C.N.M.Advanced Practice Midwife1003245622
  2. Mohammad Abdulla, DODiagnostic Radiology Physician1093338188
  3. Rasheed Abdullah, MDDiagnostic Radiology Physician1023851847
  4. Darian Aboubakare, MDSleep Medicine (Internal Medicine) Physician1558941674
  5. Farah Aboufakhr, MDAnesthesiology Physician1093409260
  6. Mohamad Aboumourad, DOInternal Medicine Physician1669225637

Verify Tiffany Christine Marchewka 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 5151013577
    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

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93% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

52 Medicare Part D claims for 29 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Tiffany Marchewka52
  2. Specialty average696

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: $789.33

11 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tiffany Marchewka$789.33
  2. Specialty average$2,958.68

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

Tiffany Christine Marchewka among 178 critical care medicine (internal medicine) physician records in Michigan

Tiffany Christine Marchewka, DO is one of 178 critical care medicine (internal medicine) physician records with a practice address in Michigan. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 87% of them.

  • NPI issued2019 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 76% of these records are
  • Record last updated2024 · 30% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Michigan

There are 178 critical care medicine (internal medicine) physician records in Michigan.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Peter Boshara, MDRoyal Oak, MI 480731659858942
  2. Jessica Kopchia, DORoyal Oak, MI 480731073206389
  3. Kshitij Mahajan, MDRoyal Oak, MI 480731619664984
  4. Yamini Patel, M.D.Royal Oak, MI 480731275154395
  5. Amit Sharma Nepal, M.D.Royal Oak, MI 480731962189720
  6. Bradford Grassmick, MDSouthfield, MI 480751356333181
  7. Vijaya Kinni, MDSouthfield, MI 480751528050986
  8. Steven Miles, MDSouthfield, MI 480751578562138

Common questions

What is Tiffany Christine Marchewka, DO's NPI number?

Tiffany Christine Marchewka, DO's National Provider Identifier (NPI) is 1326605494, issued on May 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Christine Marchewka, DO located?

The NPPES record lists a practice address at 3601 W 13 Mile RD, Royal Oak, MI, 48073. Phone: (248) 898-5000. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Christine Marchewka, DO's license?

NPPES lists Michigan license number 5151013577, 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 Tiffany Christine Marchewka, DO prescribe under Medicare Part D?

In 2024, Tiffany Christine Marchewka, DO had 52 Medicare Part D claims for 29 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.