Registry data as of Aug 27, 2026

Dianna Falkowitz, MD

Nephrology Physician · Darby, PA

Dianna Falkowitz, MD is a nephrology physician with a practice address in Darby, Pennsylvania, and NPI 1457435976, issued on Oct 24, 2006. Check the license (Pennsylvania MD055632L, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1457435976
Name
Dianna Falkowitz
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
MD055632L PA
25MA07332900 NJ
Self-reported in NPPES; status is on the state search
Practice location
1501 Lansdowne Ave Ste 206, Darby, PA 19023
Phone
(215) 395-6213
Enumerated
Oct 24, 2006
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 1501 Lansdowne Ave Ste 206

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

  1. Ahmed Shahzad, M.D.Nephrology Physician1255300422

Verify Dianna Falkowitz 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 MD055632L
    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.

37% fewer Medicare Part D claims than the average nephrology physician in 2024

957 Medicare Part D claims for 111 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Dianna Falkowitz957
  2. Specialty average1,511

Most prescribed

  1. Nifedipine Er73 claims
  2. Amlodipine Besylate70 claims
  3. Losartan Potassium70 claims
  4. Torsemide64 claims
  5. Sevelamer Carbonate59 claims
  6. Auryxia52 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 practice group's Medicare quality score for 2023: 99.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score74.6
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $150.20

7 payments, mostly food and beverage; the largest payer was Akebia Therapeutics Inc. The 6,365 providers of this specialty with any payment received $3,068.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dianna Falkowitz$150.20
  2. Specialty average$3,068.36

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. Nephrology Associates OF Delaware County PCDarby, PA

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.

5 nephrology physician records list a Darby practice address

They are 5 of the 465 NPPES records with a Darby practice address, and 537 nephrology physician records in Pennsylvania.

Other nephrology physician records in Pennsylvania

  1. Mohamed Anwar Abdus Samad, MDYork, PA1285983684
  2. Samer Abou Chehade, M.DErie, PA1730744020
  3. Blaise AbramovitzPittsburgh, PA1093150922
  4. Parvaneh Abtahi, MDWyomissing, PA1245213099
  5. Azza AbubakerPhiladelphia, PA1821732298
  6. Scott Adler, MDPhiladelphia, PA1295986792
  7. Sandeep Aggarwal, M.D.Philadelphia, PA1548420326
  8. Gautam Agrawal, M.D , M.P.HGreensburg, PA1063737070
  9. Muhammad AhmedHershey, PA1457030033
  10. Siraj Ahmed, MDAllentown, PA1104748656

Common questions

What is Dianna Falkowitz, MD's NPI number?

Dianna Falkowitz, MD's National Provider Identifier (NPI) is 1457435976, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dianna Falkowitz, MD located?

The NPPES record lists a practice address at 1501 Lansdowne Ave Ste 206, Darby, PA, 19023. Phone: (215) 395-6213. Providers update this record themselves, so call before visiting.

How can I verify Dianna Falkowitz, MD's license?

NPPES lists Pennsylvania license number MD055632L, 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 Dianna Falkowitz, MD prescribe under Medicare Part D?

In 2024, Dianna Falkowitz, MD had 957 Medicare Part D claims for 111 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

What is Dianna Falkowitz, MD's Medicare quality score?

The 2023 MIPS final score is 99.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.