Ian Robert Zack, DO
Hospitalist Physician · Latrobe, PA
Ian Robert Zack, DO is a hospitalist physician with a practice address in Latrobe, Pennsylvania, and NPI 1952748717, issued on Jun 3, 2013. Check the license (Pennsylvania OS017876, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ian Robert Zack
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- OS017876 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Mellon Way, Latrobe, PA 15650
- Phone
- (724) 537-1801
- Enumerated
- Jun 3, 2013
- Record last updated
- Aug 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (724) 532-6830
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
Also registered at 1 Mellon Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joshua Adams, DNP, RNEmergency Registered Nurse1407561376
- Cameron AlbertPhysician Assistant1508784570
- Christina Armanious, DOInternal Medicine Physician1356661623
- Ashley BatsaFamily Nurse Practitioner1760868152
- Lindsey Beabout, D.O.Family Medicine Physician1174814149
Verify Ian Robert Zack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS017876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average hospitalist physician in 2024
262 Medicare Part D claims for 113 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Prednisone21 claims
- Amoxicillin-Clavulanate Potass13 claims
- Furosemide13 claims
- Metoprolol Tartrate12 claims
- Cephalexin11 claims
- Ciprofloxacin Hcl11 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.
Ian Robert Zack among 1,424 hospitalist physician records in Pennsylvania
Ian Robert Zack, DO is one of 1,424 hospitalist 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 2013, is newer than 47% of them.
- NPI issued2013 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileNo · 87% of these records are
- Record last updated2016 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 hospitalist physician records list a practice address in Latrobe
They are 14 of the 517 NPPES records with a practice address in Latrobe, and 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Latrobe → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- James Breisinger, D.O.Latrobe, PA 156501811287378
- Rauf Chaudhry, MDLatrobe, PA 156501376507822
- Elizabeth Clemens, M.D.Latrobe, PA 156501275577082
- Nancy Copeland, MD, PHDLatrobe, PA 156501780204958
- Saurabh Dwivedi, MDLatrobe, PA 156501972877827
- David GarzarelliLatrobe, PA 156501336102235
- Alberto Gauna, MDLatrobe, PA 156501417111527
- Julie Hicks, DOLatrobe, PA 156501992822654
Common questions
What is Ian Robert Zack, DO's NPI number?
Ian Robert Zack, DO's National Provider Identifier (NPI) is 1952748717, issued on Jun 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ian Robert Zack, DO located?
The NPPES record lists a practice address at 1 Mellon Way, Latrobe, PA, 15650. Phone: (724) 537-1801. Providers update this record themselves, so call before visiting.
How can I verify Ian Robert Zack, DO's license?
NPPES lists Pennsylvania license number OS017876, 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 Ian Robert Zack, DO prescribe under Medicare Part D?
In 2024, Ian Robert Zack, DO had 262 Medicare Part D claims for 113 beneficiaries; the average among hospitalist physician prescribers was 521. 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.