John William Zisko, M.D.
Internal Medicine Physician · Pittsburgh, PA
John William Zisko, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1578680070, issued on Mar 22, 2007. Check the license (Pennsylvania MD426689, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John William Zisko
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD426689 PA
Self-reported in NPPES; status is on the state search - Practice location
- 5230 Centre Ave, Pittsburgh, PA 15232
- Phone
- (412) 623-3069
- Enumerated
- Mar 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110303000560); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 5230 Centre Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole Alexandrovich, DPTPhysical Therapist1881107969
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Verify John William Zisko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD426689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,859 Medicare Part D claims for 513 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 174 claims were for opioids.
Most prescribed
- Atorvastatin Calcium572 claims
- Omeprazole254 claims
- Lisinopril253 claims
- Metformin Hcl213 claims
- Pantoprazole Sodium205 claims
- Gabapentin196 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): 77.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $61.63
4 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Upmc Community Medicine IncPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John William Zisko among 7,300 internal medicine physician records in Pennsylvania
John William Zisko, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2002 · median 2008 among the 4,208 with a school on file
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Frank Brown, MDPittsburgh, PA 152321922070622
- David DemoisePittsburgh, PA 152321174623656
- Ellen Dillinger, MDPittsburgh, PA 152321326141995
- Michelina Fato, M.D.Pittsburgh, PA 152321790748721
- George Gleeson, MDPittsburgh, PA 152321881797454
- Thomas Grau, M.D.Pittsburgh, PA 152321366476889
- Bernadette HarrisPittsburgh, PA 152321700878774
- Elmer Holzinger, MDPittsburgh, PA 152321841393428
Common questions
What is John William Zisko, M.D.'s NPI number?
John William Zisko, M.D.'s National Provider Identifier (NPI) is 1578680070, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John William Zisko, M.D. located?
The NPPES record lists a practice address at 5230 Centre Ave, Pittsburgh, PA, 15232. Phone: (412) 623-3069. Providers update this record themselves, so call before visiting.
How can I verify John William Zisko, M.D.'s license?
NPPES lists Pennsylvania license number MD426689, 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 John William Zisko, M.D. prescribe under Medicare Part D?
In 2024, John William Zisko, M.D. had 7,859 Medicare Part D claims for 513 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John William Zisko, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.