James Louis Spears, MD
Hematology & Oncology Physician · Sellersville, PA
James Louis Spears, MD is a hematology & oncology physician with a practice address in Sellersville, Pennsylvania, and NPI 1033184338, issued on Feb 21, 2006. Check the license (Pennsylvania MD426945, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- James Louis Spears
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD426945 PA
Self-reported in NPPES; status is on the state search - Practice location
- 915 Lawn Avenue, Sellersville, PA 18960
- Phone
- (215) 453-3300
- Enumerated
- Feb 21, 2006
- Record last updated
- Sep 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (215) 453-3306
- Medicare enrollment
- Enrolled (PECOS I20051006000775); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 915 Lawn Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Siesholtz, M.D.Hematology & Oncology Physician1578545349
Verify James Louis Spears in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD426945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,105 Medicare Part D claims for 215 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims. 12 claims were for opioids.
Most prescribed
- Eliquis155 claims
- Hydroxyurea99 claims
- Letrozole87 claims
- Ondansetron Hcl65 claims
- Acyclovir54 claims
- Xarelto52 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $679.46
31 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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
- Alliance Cancer Specialists P.C.Sellersville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Louis Spears among 784 hematology & oncology physician records in Pennsylvania
James Louis Spears, MD 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2004 among the 553 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 207RH0003X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 hematology & oncology physician records list a practice address in Sellersville
They are 9 of the 788 NPPES records with a practice address in Sellersville, and 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Sellersville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mitchell Alden, D.O.Sellersville, PA 189601861474991
- Sarah Goodyear, MDSellersville, PA 189601891728622
- Alan Kaufman, M.D.Sellersville, PA 189601861474637
- Anthony Magdalinski, DOSellersville, PA 189601528067352
- Thomas Peacock, MDSellersville, PA 189601528063195
- Thomas Siesholtz, M.D.Sellersville, PA 189601578545349
- Lorraine Snyder Dougherty, MDSellersville, PA 189601013954643
- Howard Zipin, M.D.Sellersville, PA 189601417939539
Common questions
What is James Louis Spears, MD's NPI number?
James Louis Spears, MD's National Provider Identifier (NPI) is 1033184338, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Louis Spears, MD located?
The NPPES record lists a practice address at 915 Lawn Avenue, Sellersville, PA, 18960. Phone: (215) 453-3300. Providers update this record themselves, so call before visiting.
How can I verify James Louis Spears, MD's license?
NPPES lists Pennsylvania license number MD426945, 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 James Louis Spears, MD prescribe under Medicare Part D?
In 2024, James Louis Spears, MD had 1,105 Medicare Part D claims for 215 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is James Louis Spears, MD's MIPS final score?
The 2023 MIPS final score is 94.2 of 100. 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.