NPPES file of Aug 9, 2026

Chad Joseph Zack, M.D.

Cardiovascular Disease Physician · Hershey, PA

Chad Joseph Zack, M.D. is a cardiovascular disease physician with a practice address in Hershey, Pennsylvania, and NPI 1073834388, issued on Jun 21, 2010. Check the license (Pennsylvania MD448810, 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
1073834388
Name
Chad Joseph Zack
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
MD448810 PA
57945 MN
2017-00649 NC
Self-reported in NPPES; status is on the state search
Practice location
500 University Dr, Hershey, PA 17033
Phone
(800) 243-1455
Enumerated
Jun 21, 2010
Record last updated
Aug 8, 2023
Fax
(717) 531-4077
Medicare enrollment
Enrolled (PECOS I20130702000711); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2010
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 500 University Dr

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

  1. Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
  2. Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
  3. Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
  4. Andrea Abbe, LDNRegistered Dietitian1366623795
  5. Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
  6. Ashraf Abdelhalim, MDAnesthesiology Physician1356931729

Verify Chad Joseph Zack 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 MD448810
    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.

70% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

937 Medicare Part D claims for 134 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Chad Zack937
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate110 claims
  2. Rosuvastatin Calcium95 claims
  3. Atorvastatin Calcium93 claims
  4. Amlodipine Besylate59 claims
  5. Eliquis57 claims
  6. Furosemide57 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): 71.8 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 score48.3
  2. Costout of 100 · 30%57.6
  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: $499.82

16 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chad Zack$499.82
  2. Specialty average$3,819.56

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. The Milton S Hershey Medical Center Physicians GroupHershey, PA

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

Chad Joseph Zack among 1,476 cardiovascular disease physician records in Pennsylvania

Chad Joseph Zack, M.D. is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.

  • NPI issued2010 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2010 · median 2000 among the 1,003 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Pennsylvania

There are 1,476 cardiovascular disease physician records in Pennsylvania.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Robert Aronoff, M.D.Hershey, PA 170331043213226
  2. Joy Cotton, M.D.Hershey, PA 170331972506137
  3. Claude Fanelli, M.D.Hershey, PA 170331801897822
  4. John Field, MDHershey, PA 170331780632315
  5. Joseph Gascho, MDHershey, PA 170331063470227
  6. Shelley Hankins, MDHershey, PA 170331053379867
  7. John Kelleman, M.D.Hershey, PA 170331043303050
  8. Edward Lankford, M.D., PH.D.Hershey, PA 170331922029123

Common questions

What is Chad Joseph Zack, M.D.'s NPI number?

Chad Joseph Zack, M.D.'s National Provider Identifier (NPI) is 1073834388, issued on Jun 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Chad Joseph Zack, M.D. located?

The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.

How can I verify Chad Joseph Zack, M.D.'s license?

NPPES lists Pennsylvania license number MD448810, 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 Chad Joseph Zack, M.D. prescribe under Medicare Part D?

In 2024, Chad Joseph Zack, M.D. had 937 Medicare Part D claims for 134 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Chad Joseph Zack, M.D.'s MIPS final score?

The 2023 MIPS final score is 71.8 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.