NPPES file of Aug 9, 2026

Kathryn Eagan Ussai, M.D.

Nephrology Physician · Allentown, PA

Kathryn Eagan Ussai, M.D. is a nephrology physician with a practice address in Allentown, Pennsylvania, and NPI 1396779633, issued on Jul 11, 2006. Check the license (Pennsylvania MD067580L, 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
1396779633
Name
Kathryn Eagan Ussai
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MD067580L PA
Self-reported in NPPES; status is on the state search
Practice location
1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA 18103
Phone
(610) 432-4529
Enumerated
Jul 11, 2006
Record last updated
Jun 2, 2022
Fax
(610) 432-2206
Medicare enrollment
Enrolled (PECOS I20050124000824); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1996
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.
Download card Updates feed

Also registered at 1230 S Cedar Crest Blvd Stes 301, 302, 304

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

  1. Tayyab Ali, MDNephrology Physician1710986559
  2. Audrey Anatalio, PA-CMedical Physician Assistant1316581259
  3. Cheryl Bitting, CRNPFamily Nurse Practitioner1891888301
  4. Ravindra Bollu, M.D.Nephrology Physician1194716845
  5. Margaret Duffy, MDNephrology Physician1518233881
  6. Eric Fels, D.O.Nephrology Physician1821089590

Verify Kathryn Eagan Ussai 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 MD067580L
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

10% fewer Medicare Part D claims than the average nephrology physician in 2024

1,315 Medicare Part D claims for 225 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Kathryn Ussai1,315
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium136 claims
  2. Calcitriol117 claims
  3. Amlodipine Besylate111 claims
  4. Lisinopril96 claims
  5. Furosemide78 claims
  6. Torsemide74 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: $16.52

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathryn Ussai$16.52
  2. Specialty average$3,091.37

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

Bills Medicare through 2 group practices

  1. Kidney Care Specialists LLCSellersville, PA
  2. Valley Kidney Specialists, P.C.Sellersville, PA

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

Kathryn Eagan Ussai among 651 nephrology physician records in Pennsylvania

Kathryn Eagan Ussai, 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 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1996 · median 2001 among the 468 with a school on file
  • Record last updated2022 · 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. Tayyab Ali, MDAllentown, PA 181031710986559
  2. Ravindra Bollu, M.D.Allentown, PA 181031194716845
  3. Eric Fels, D.O.Allentown, PA 181031821089590
  4. Joseph Guzzo, M.D.Allentown, PA 181031154312833
  5. Drew Harrison, MDAllentown, PA 181031023094364
  6. Shawn Hazlett, DOAllentown, PA 181031316925209
  7. Douglas Johnson, M.D.Allentown, PA 181031033100623
  8. Nelson Kopyt, DOAllentown, PA 181031104802891

Common questions

What is Kathryn Eagan Ussai, M.D.'s NPI number?

Kathryn Eagan Ussai, M.D.'s National Provider Identifier (NPI) is 1396779633, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Eagan Ussai, M.D. located?

The NPPES record lists a practice address at 1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA, 18103. Phone: (610) 432-4529. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Eagan Ussai, M.D.'s license?

NPPES lists Pennsylvania license number MD067580L, 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 Kathryn Eagan Ussai, M.D. prescribe under Medicare Part D?

In 2024, Kathryn Eagan Ussai, M.D. had 1,315 Medicare Part D claims for 225 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.