NPPES file of Aug 9, 2026

Erika Fiorella Tievsky, D.O.

Internal Medicine Physician · Paramus, NJ

Erika Fiorella Tievsky, D.O. is an internal medicine physician with a practice address in Paramus, New Jersey, and NPI 1902225584, issued on Apr 10, 2014. Check the license (New Jersey 25MB10109400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902225584
Name
Erika Fiorella Tievsky
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
25MB10109400 NJ
Self-reported in NPPES; status is on the state search
Practice location
140 N State RT 17, Paramus, NJ 07652
Phone
(201) 444-2646
Enumerated
Apr 10, 2014
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20171010000043); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2014
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 140 N State RT 17

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

  1. Irene Yeung, DACCHM, L.ACAcupuncturist1790262673

Verify Erika Fiorella Tievsky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MB10109400
    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 New Jersey license search

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2% more Medicare Part D claims than the average internal medicine physician in 2024

3,253 Medicare Part D claims for 281 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 20 claims were for opioids.

  1. Erika Tievsky3,253
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium174 claims
  2. Atorvastatin Calcium150 claims
  3. Levothyroxine Sodium141 claims
  4. Amlodipine Besylate139 claims
  5. Losartan Potassium107 claims
  6. Alprazolam95 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.

The MIPS final score for 2023 (Medicare payment program): 98.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score93.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Valley Physician Services PCHoboken, NJ

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

49 internal medicine physician records list a practice address in Paramus

They are 49 of the 1,842 NPPES records with a practice address in Paramus, and 4,632 internal medicine physician records in New Jersey.

Other internal medicine physician records in New Jersey

  1. Joseph Aaron, MD, FACPShort Hills, NJ1861584633
  2. Sirike Aasmaa, DOMontville, NJ1861549925
  3. Holly Abate Bersalona, M.D.Sea Girt, NJ1669500492
  4. Kaniz Zehra Abbas, MDTrenton, NJ1598253858
  5. Shahida Abbas, MDOld Bridge, NJ1023104098
  6. Shahed AbbasiNewark, NJ1477810752
  7. Samih Abbassi, MDWest Orange, NJ1750380358
  8. Somaya Abboud, MDWest Orange, NJ1326089004
  9. Hilal Abboushi, MDBloomfield, NJ1548378029
  10. Anthony Abbruzzi, D.O.Pleasantville, NJ1629034905

Common questions

What is Erika Fiorella Tievsky, D.O.'s NPI number?

Erika Fiorella Tievsky, D.O.'s National Provider Identifier (NPI) is 1902225584, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Erika Fiorella Tievsky, D.O. located?

The NPPES record lists a practice address at 140 N State RT 17, Paramus, NJ, 07652. Phone: (201) 444-2646. Providers update this record themselves, so call before visiting.

How can I verify Erika Fiorella Tievsky, D.O.'s license?

NPPES lists New Jersey license number 25MB10109400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Erika Fiorella Tievsky, D.O. prescribe under Medicare Part D?

In 2024, Erika Fiorella Tievsky, D.O. had 3,253 Medicare Part D claims for 281 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Erika Fiorella Tievsky, D.O.'s MIPS final score?

The 2023 MIPS final score is 98.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.