Registry data as of Aug 27, 2026

Catherine Ciantar, D.O.

Internal Medicine Physician · Highland, MI

Catherine Ciantar, D.O. is an internal medicine physician with a practice address in Highland, Michigan, and NPI 1437481082, issued on Feb 8, 2010. Check the license (Michigan 5101018219, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437481082
Name
Catherine Ciantar
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
5101018219 MI
Self-reported in NPPES; status is on the state search
Practice location
2330 S Milford RD, Highland, MI 48357
Phone
(248) 676-9060
Enumerated
Feb 8, 2010
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 2330 S Milford RD

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

  1. Ryan Johnston, PA-CPhysician Assistant1881777373

Verify Catherine Ciantar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 5101018219
    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.

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

4,171 Medicare Part D claims for 475 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 68 claims were for opioids.

  1. Catherine Ciantar4,171
  2. Specialty average2,785

Most prescribed

  1. Levothyroxine Sodium307 claims
  2. Atorvastatin Calcium259 claims
  3. Losartan Potassium163 claims
  4. Amlodipine Besylate147 claims
  5. Lisinopril135 claims
  6. Pantoprazole Sodium114 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: $579.17

30 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Ciantar$579.17
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Cedar Bay Medicine PCHighland, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3 internal medicine physician records list a Highland practice address

They are 3 of the 221 NPPES records with a Highland practice address, and 6,589 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Keith Aaronson, MDAnn Arbor, MI1144305301
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Hawazin Abbas, MDAuburn Hills, MI1699020677
  5. Imran Abbasi, D.O.Warren, MI1427409887
  6. Ramzi Abbasi, MDSaginaw, MI1164270005
  7. Saadat Abbasi, MDKalamazoo, MI1912005596
  8. Shahzaman Abbasi, MDLansing, MI1376512111
  9. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  10. Joseph Abbo, MDYpsilanti, MI1982136503

Common questions

What is Catherine Ciantar, D.O.'s NPI number?

Catherine Ciantar, D.O.'s National Provider Identifier (NPI) is 1437481082, issued on Feb 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Ciantar, D.O. located?

The NPPES record lists a practice address at 2330 S Milford RD, Highland, MI, 48357. Phone: (248) 676-9060. Providers update this record themselves, so call before visiting.

How can I verify Catherine Ciantar, D.O.'s license?

NPPES lists Michigan license number 5101018219, 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 Catherine Ciantar, D.O. prescribe under Medicare Part D?

In 2024, Catherine Ciantar, D.O. had 4,171 Medicare Part D claims for 475 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.