NPPES file of Aug 9, 2026

Yvonne El Kassis, M.D

Nephrology Physician · Philadelphia, PA

Yvonne El Kassis, M.D is a nephrology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1417202235, issued on Jul 18, 2012. Check the license (Pennsylvania MD464722, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1417202235
Name
Yvonne El Kassis
Credential
M.D
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MD464722 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce St, Philadelphia, PA 19104
Phone
(215) 662-2638
Enumerated
Jul 18, 2012
Record last updated
Jul 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(215) 349-5703
Medicare enrollment
Enrolled (PECOS I20230828002288); accepts Medicare assignment
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 3400 Spruce St

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

  1. Megan Abbott, CRNPNurse Practitioner1396771689
  2. Michael Abboud, MDEmergency Medicine Physician1962820852
  3. Emily AbdelmessihPediatric Pharmacist1891612560
  4. Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
  5. Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
  6. Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973

Verify Yvonne El Kassis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD464722
    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 Pennsylvania license search

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62% fewer Medicare Part D claims than the average nephrology physician in 2024

560 Medicare Part D claims for 142 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Yvonne El Kassis560
  2. Specialty average1,465

Most prescribed

  1. Sulfamethoxazole-Trimethoprim66 claims
  2. Prednisone49 claims
  3. Famotidine40 claims
  4. Carvedilol36 claims
  5. Amlodipine Besylate34 claims
  6. Pantoprazole Sodium29 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.

2 hospitals and group practices

  1. The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
  2. University OF ChicagoChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Yvonne El Kassis among 651 nephrology physician records in Pennsylvania

Yvonne El Kassis, M.D is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2011 · median 2001 among the 468 with a school on file
  • Record last updated2018 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Pennsylvania

There are 651 nephrology physician records in Pennsylvania.

The 8 nephrology physician records with the nearest ZIP codes

  1. Roy Bloom, MDPhiladelphia, PA 191041528093663
  2. Russell Carstens, MDPhiladelphia, PA 191041790713303
  3. Raphael Cohen, MDPhiladelphia, PA 191041699707711
  4. Debbie Cohen Stein, MDPhiladelphia, PA 191041932136215
  5. Laura Dember, M.D.Philadelphia, PA 191041144285370
  6. Joel Glickman, MDPhiladelphia, PA 191041124027727
  7. Simin Goral, MDPhiladelphia, PA 191041205863586
  8. Sabiha Hussain, MDPhiladelphia, PA 191041306826433

Common questions

What is Yvonne El Kassis, M.D's NPI number?

Yvonne El Kassis, M.D's National Provider Identifier (NPI) is 1417202235, issued on Jul 18, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Yvonne El Kassis, M.D located?

The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-2638. Providers update this record themselves, so call before visiting.

How can I verify Yvonne El Kassis, M.D's license?

NPPES lists Pennsylvania license number MD464722, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yvonne El Kassis, M.D prescribe under Medicare Part D?

In 2024, Yvonne El Kassis, M.D had 560 Medicare Part D claims for 142 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.