NPPES file of Aug 9, 2026

Ross R. Zimmer, MD

Nuclear Cardiology Physician · Philadelphia, PA

Ross R. Zimmer, MD is a nuclear cardiology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1750313078, issued on Jul 7, 2006. Check the license (Pennsylvania MD045305L, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750313078
Name
Ross R. Zimmer
Credential
MD
Primary taxonomy
Nuclear Cardiology Physician 207UN0901X
License number
MD045305L PA
Self-reported in NPPES; status is on the state search
Practice location
39TH And Market St, Philadelphia, PA 19104
Phone
(215) 662-9189
Enumerated
Jul 7, 2006
Record last updated
Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(215) 243-4612
Medicaid ID
0014152510006 PA
Medicare enrollment
Enrolled (PECOS I20110204000476); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1989
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 39TH And Market St

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

  1. Joseph Gallo, MDFamily Medicine Physician1710914635
  2. Laurence Gavin, MDEmergency Medicine Physician1760428957
  3. Alan Moak, MDInterventional Cardiology Physician1912939216
  4. David Nicklin, MDFamily Medicine Physician1689602724

Verify Ross R. Zimmer 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 MD045305L
    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.

47% more Medicare Part D claims than the average nuclear cardiology physician in 2024

5,776 Medicare Part D claims for 695 beneficiaries, against an average of 3,932 among the 112 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Ross Zimmer5,776
  2. Specialty average3,932

Most prescribed

  1. Metoprolol Succinate512 claims
  2. Furosemide509 claims
  3. Entresto487 claims
  4. Atorvastatin Calcium426 claims
  5. Rosuvastatin Calcium419 claims
  6. Carvedilol331 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 MIPS final score for 2023 (Medicare payment program): 79.9 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 score63.5
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $271.72

5 payments; by number, the most common kind was food and beverage; the largest payer was Impulse Dynamics (USA) Inc. The 92 providers of this specialty with any payment received $3,556.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ross Zimmer$271.72
  2. Specialty average$3,556.95

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

Bills Medicare through one group practice

  1. Clinical Health Care Associates OF New Jersey PCVineland, NJ

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

Ross R. Zimmer among 16 nuclear cardiology physician records in Pennsylvania

Ross R. Zimmer, MD is one of 16 nuclear cardiology physician records with a practice address in Pennsylvania. 94% 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 19% of them.

  • NPI issued2006 · 19% of these records are older, 6% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Record last updated2012 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207UN0901X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nuclear Cardiology Physician providers in Pennsylvania

There are 16 nuclear cardiology physician records in Pennsylvania.

The 8 nuclear cardiology physician records with the nearest ZIP codes

  1. Paco Bravo, MDPhiladelphia, PA 191041215140900
  2. Neil Levin, MDPhiladelphia, PA 191041053343368
  3. David Schwartz, MDPhiladelphia, PA 191041659303964
  4. Edward Solow, MDPhiladelphia, PA 191041962434282
  5. Arthur Topoulos, MDPhiladelphia, PA 191041952331944
  6. William Untereker, MDPhiladelphia, PA 191041760412753
  7. Harvey Waxman, MDPhiladelphia, PA 191041073545414
  8. Anita Lipson, MDGladwyne, PA 190351467457218

Common questions

What is Ross R. Zimmer, MD's NPI number?

Ross R. Zimmer, MD's National Provider Identifier (NPI) is 1750313078, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ross R. Zimmer, MD located?

The NPPES record lists a practice address at 39TH And Market St, Philadelphia, PA, 19104. Phone: (215) 662-9189. Providers update this record themselves, so call before visiting.

How can I verify Ross R. Zimmer, MD's license?

NPPES lists Pennsylvania license number MD045305L, 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 Ross R. Zimmer, MD prescribe under Medicare Part D?

In 2024, Ross R. Zimmer, MD had 5,776 Medicare Part D claims for 695 beneficiaries; the average among nuclear cardiology physician prescribers was 3,932. Part D covers Medicare prescriptions only.

What is Ross R. Zimmer, MD's MIPS final score?

The 2023 MIPS final score is 79.9 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), 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.