Joshua James Siglin, MD.
Radiation Oncology Physician · Altoona, PA
Joshua James Siglin, MD. is a radiation oncology physician with a practice address in Altoona, Pennsylvania, and NPI 1275768731, issued on May 27, 2009. Check the license (Pennsylvania MD452390, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joshua James Siglin
- Credential
- MD.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD452390 PA
Self-reported in NPPES; status is on the state search - Practice location
- 620 Howard Ave, Altoona, PA 16601
- Phone
- (814) 889-2400
- Enumerated
- May 27, 2009
- Record last updated
- Sep 8, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191111002707); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 383 in Pennsylvania → Look up another NPI →
Also registered at 620 Howard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abraham, CRNPAcute Care Nurse Practitioner1447414933
- Stuart AckermanInternal Medicine Physician1740256312
- Aderinsola Ademiluyi, MDInternal Medicine Physician1922595644
- Dawn Alexy, CRNACertified Registered Nurse Anesthetist1144248733
- Usman AliPsychiatry Physician1285842625
- Joseph AntonowiczPsychiatry Physician1265480834
Verify Joshua James Siglin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD452390Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average radiation oncology physician in 2024
126 Medicare Part D claims for 61 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl74 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
- Duke Health Integrated Practice IncDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua James Siglin among 383 radiation oncology physician records in Pennsylvania
Joshua James Siglin, MD. 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 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2009 · median 2004 among the 285 with a school on file
- Record last updated2014 · 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.
All 383 in Pennsylvania → Every provider in Altoona → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Ricardo Llorente, M.DAltoona, PA 166011386192649
- Mohammed Mohammed, MDAltoona, PA 166011457089088
- David Schatanoff, M.D.Hollidaysburg, PA 166481235437112
- Kevin Fisher, MDErie, PA 165051073505244
- Myles Lampenfeld, MDErie, PA 165051558449033
- Pesara Reddy, M.D.Erie, PA 165051548233190
- Yash Somnay, MD, PHDErie, PA 165051114414117
- Conrad Stachelek, MDErie, PA 165051104822543
Common questions
What is Joshua James Siglin, MD.'s NPI number?
Joshua James Siglin, MD.'s National Provider Identifier (NPI) is 1275768731, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Joshua James Siglin, MD. located?
The NPPES record lists a practice address at 620 Howard Ave, Altoona, PA, 16601. Phone: (814) 889-2400. Providers update this record themselves, so call before visiting.
How can I verify Joshua James Siglin, MD.'s license?
NPPES lists Pennsylvania license number MD452390, 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 Joshua James Siglin, MD. prescribe under Medicare Part D?
In 2024, Joshua James Siglin, MD. had 126 Medicare Part D claims for 61 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.