David James Seastone, PH.D., D.O.
Hematology & Oncology Physician · Erie, PA
David James Seastone, PH.D., D.O. is a hematology & oncology physician with a practice address in Erie, Pennsylvania, and NPI 1629211982, issued on Apr 15, 2009. Check the license (Pennsylvania OS016804, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David James Seastone
- Credential
- PH.D., D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- OS016804 PA
34.010019 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2500 W 12TH St, Erie, PA 16505
- Phone
- (814) 836-2600
- Enumerated
- Apr 15, 2009
- Record last updated
- Jul 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20150310002079); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2009
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 2500 W 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brande Dietrich-McLean, CRNPFamily Nurse Practitioner1992248934
- Kevin Fisher, MDRadiation Oncology Physician1073505244
- Cyrus Khan, M.D.Hematology & Oncology Physician1558576660
- Nicole Lang, CRNPNurse Practitioner1609310374
- Susan Marshall-Erven, CRNPNurse Practitioner1720530710
- James Ohr, D.O.Hematology & Oncology Physician1306860085
Verify David James Seastone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS016804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average hematology & oncology physician in 2024
3,528 Medicare Part D claims for 491 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 510 claims were for opioids.
Most prescribed
- Anastrozole303 claims
- Prednisone247 claims
- Oxycodone Hcl179 claims
- Xarelto161 claims
- Prochlorperazine Maleate130 claims
- Gabapentin124 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.
Industry payments in 2024: $2,531.02
4 payments; by number, the most common kind was consulting fee; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Oncology Hematology Association IncErie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David James Seastone among 784 hematology & oncology physician records in Pennsylvania
David James Seastone, PH.D., D.O. is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 83% 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 60% of them.
- NPI issued2009 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2009 · median 2004 among the 553 with a school on file
- Record last updated2026 · 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 207RH0003X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Pennsylvania
There are 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Erie → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Cyrus Khan, M.D.Erie, PA 165051558576660
- James Ohr, D.O.Erie, PA 165051306860085
- Saleha Rizwan, M.D.Erie, PA 165021114300423
- Rubal Sharma, M.D.Erie, PA 165021689163602
- Shabbir Ahmad, M.D.Altoona, PA 166021982673133
- Hasan Bit-Shawish, MDAltoona, PA 166021871702779
- Salee Hoffman, M.D.Altoona, PA 166021659340271
- Mark Keating, M.D.Altoona, PA 166021295704450
Common questions
What is David James Seastone, PH.D., D.O.'s NPI number?
David James Seastone, PH.D., D.O.'s National Provider Identifier (NPI) is 1629211982, issued on Apr 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David James Seastone, PH.D., D.O. located?
The NPPES record lists a practice address at 2500 W 12TH St, Erie, PA, 16505. Phone: (814) 836-2600. Providers update this record themselves, so call before visiting.
How can I verify David James Seastone, PH.D., D.O.'s license?
NPPES lists Pennsylvania license number OS016804, 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 David James Seastone, PH.D., D.O. prescribe under Medicare Part D?
In 2024, David James Seastone, PH.D., D.O. had 3,528 Medicare Part D claims for 491 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.