Catherine Douglas Carruthers, M.D.
Surgical Oncology Physician · Southampton, PA
Catherine Douglas Carruthers, M.D. is a surgical oncology physician with a practice address in Southampton, Pennsylvania, and NPI 1871618215, issued on Mar 21, 2007. Check the license (Pennsylvania MD429193, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Catherine Douglas Carruthers
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- MD429193 PA
Self-reported in NPPES; status is on the state search - Practice location
- 45 2ND Street Pike Ste 100, Southampton, PA 18966
- Phone
- (215) 633-3456
- Enumerated
- Mar 21, 2007
- Record last updated
- Aug 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 396-3456
- Medicare enrollment
- Enrolled (PECOS I20070725000628); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 92 in Pennsylvania → Look up another NPI →
Also registered at 45 2ND Street Pike Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tintu George, CRNPCritical Care Medicine Nurse Practitioner1649638297
- Malini Iyer, MD, FACS, FRCSSurgery Physician1023014230
- Kimberly KurtzFamily Nurse Practitioner1881033884
- Anna Mazor, D.O.Surgery Physician1912267386
Verify Catherine Douglas Carruthers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD429193Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average surgical oncology physician in 2024
17 Medicare Part D claims for 14 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $1,683.06
12 payments; by number, the most common kind was food and beverage; the largest payer was Elucent Medical. The 1,132 providers of this specialty with any payment received $4,224.74 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 2 group practices
- Main Line HealthcareBryn Mawr, PA
- Novacare Outpatient Rehabilitation East, Inc.Collegeville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Douglas Carruthers among 92 surgical oncology physician records in Pennsylvania
Catherine Douglas Carruthers, M.D. is one of 92 surgical oncology physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 2004 among the 68 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Pennsylvania
There are 92 surgical oncology physician records in Pennsylvania.
All 92 in Pennsylvania → Every provider in Southampton → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- James Watson, M.D.Sellersville, PA 189601013930734
- Antoine Jahshan, M.D.Bala Cynwyd, PA 190041104185610
- William Carter, MDBryn Mawr, PA 190101568493195
- Thomas Frazier, M.D.Bryn Mawr, PA 190101952483182
- Elena LambBryn Mawr, PA 190101851525869
- Jandie Posner, DOChester, PA 190131053706176
- Stacy Krisher, MDBensalem, PA 190201023037546
- Linda Callans, MDDrexel Hill, PA 190261114008075
Common questions
What is Catherine Douglas Carruthers, M.D.'s NPI number?
Catherine Douglas Carruthers, M.D.'s National Provider Identifier (NPI) is 1871618215, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Douglas Carruthers, M.D. located?
The NPPES record lists a practice address at 45 2ND Street Pike Ste 100, Southampton, PA, 18966. Phone: (215) 633-3456. Providers update this record themselves, so call before visiting.
How can I verify Catherine Douglas Carruthers, M.D.'s license?
NPPES lists Pennsylvania license number MD429193, 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 Catherine Douglas Carruthers, M.D. prescribe under Medicare Part D?
In 2024, Catherine Douglas Carruthers, M.D. had 17 Medicare Part D claims for 14 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.