Joseph L. Yozviak, D.O.
Internal Medicine Physician · Allentown, PA
Joseph L. Yozviak, D.O. is an internal medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1174561674, issued on Jun 4, 2006. Check the license (Pennsylvania OS013090, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joseph L. Yozviak
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS013090 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1627 Chew St FL 1, Allentown, PA 18102
- Phone
- (610) 969-2800
- Enumerated
- Jun 4, 2006
- Record last updated
- Dec 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20060627000354); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2003
- 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 1627 Chew St FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph L. Yozviak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS013090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average internal medicine physician in 2024
3,460 Medicare Part D claims for 132 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims. 55 claims were for opioids.
Most prescribed
- Biktarvy373 claims
- Atorvastatin Calcium293 claims
- Tivicay197 claims
- Descovy144 claims
- Losartan Potassium119 claims
- Albuterol Sulfate Hfa92 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.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph L. Yozviak among 7,300 internal medicine physician records in Pennsylvania
Joseph L. Yozviak, D.O. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2003 · median 2008 among the 4,208 with a school on file
- Record last updated2022 · 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).
218 internal medicine physician records list a practice address in Allentown
They are 218 of the 5,904 NPPES records with a practice address in Allentown, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Allentown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Benjamas Rattananai, M.D.Allentown, PA 181021326307943
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Common questions
What is Joseph L. Yozviak, D.O.'s NPI number?
Joseph L. Yozviak, D.O.'s National Provider Identifier (NPI) is 1174561674, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph L. Yozviak, D.O. located?
The NPPES record lists a practice address at 1627 Chew St FL 1, Allentown, PA, 18102. Phone: (610) 969-2800. Providers update this record themselves, so call before visiting.
How can I verify Joseph L. Yozviak, D.O.'s license?
NPPES lists Pennsylvania license number OS013090, 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 Joseph L. Yozviak, D.O. prescribe under Medicare Part D?
In 2024, Joseph L. Yozviak, D.O. had 3,460 Medicare Part D claims for 132 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.