NPPES file of Aug 9, 2026

Dennis Michael Sopka, M.D.

Radiation Oncology Physician · Allentown, PA

Dennis Michael Sopka, M.D. is a radiation oncology physician with a practice address in Allentown, Pennsylvania, and NPI 1578723532, issued on Jun 13, 2008. Check the license (Pennsylvania MD443988, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578723532
Name
Dennis Michael Sopka
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
MD443988 PA
MT193224 PA
Self-reported in NPPES; status is on the state search
Practice location
1240 S Cedar Crest Blvd Ste 401, Allentown, PA 18103
Phone
(610) 402-7880
Enumerated
Jun 13, 2008
Record last updated
Aug 19, 2022
Medicare enrollment
Enrolled (PECOS I20130829000381); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 1240 S Cedar Crest Blvd Ste 401

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

  1. Elizabeth Aguero, PA-CMedical Physician Assistant1245016864
  2. Sohaib Alkowni, MDHematology & Oncology Physician1861079790
  3. Salman Ayaz, MBBS, MDHematology & Oncology Physician1124600721
  4. Xia Bi, M.D.Hematology & Oncology Physician1619324548
  5. Anastasia Bortz, CRNPFamily Nurse Practitioner1740751155
  6. Dillon Cason, MDHematology & Oncology Physician1477046282

Verify Dennis Michael Sopka 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 MD443988
    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

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66% more Medicare Part D claims than the average radiation oncology physician in 2024

223 Medicare Part D claims for 96 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.

  1. Dennis Sopka223
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl78 claims
  2. Dexamethasone11 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

  1. Allentown Radiation Oncology Associates PCAllentown, PA

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

Dennis Michael Sopka among 383 radiation oncology physician records in Pennsylvania

Dennis Michael Sopka, M.D. is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2008 · median 2004 among the 285 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Pennsylvania

There are 383 radiation oncology physician records in Pennsylvania.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Charles Andrews, MDAllentown, PA 181031427031657
  2. Jeanette Blauth, MDAllentown, PA 181031356324735
  3. Hasan Danish, M.D.Allentown, PA 181031134485220
  4. Travis Hoover, MDAllentown, PA 181031346932795
  5. April Metzger, MDAllentown, PA 181031104276658
  6. Hanmanth Neboori, M.D.Allentown, PA 181031982961520
  7. Steven Perch, MDAllentown, PA 181031912980939
  8. Sean Quinlan-Davidson, M.D.Allentown, PA 181031588096788

Common questions

What is Dennis Michael Sopka, M.D.'s NPI number?

Dennis Michael Sopka, M.D.'s National Provider Identifier (NPI) is 1578723532, issued on Jun 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Michael Sopka, M.D. located?

The NPPES record lists a practice address at 1240 S Cedar Crest Blvd Ste 401, Allentown, PA, 18103. Phone: (610) 402-7880. Providers update this record themselves, so call before visiting.

How can I verify Dennis Michael Sopka, M.D.'s license?

NPPES lists Pennsylvania license number MD443988, 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 Dennis Michael Sopka, M.D. prescribe under Medicare Part D?

In 2024, Dennis Michael Sopka, M.D. had 223 Medicare Part D claims for 96 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.