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Compare the published Medicare service mix of Philip Louis Marjon, M.D. with clinicians in the same registry specialty: Hematology/Oncology (CMS).

SAN MARCOS, CA · 10 milesEdit location
Within 10 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 14 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Alberto Bessudo, M.D.

Hematology/Oncology (CMS) · Encinitas, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
92%Service-mix similarity~8.1 milesView profile →

Joel M Lamon, MD

Hematology/Oncology (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
90%Service-mix similarity~9.1 milesView profile →

Laurie Frakes, M.D.

Hematology/Oncology (CMS) · Encinitas, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
83%Service-mix similarity~8.1 milesView profile →

Steven G Eisenberg, D.O.

Hematology/Oncology (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
80%Service-mix similarity~9.1 milesView profile →

Catherine D Quinn, M.D.

Medical Oncology (CMS) · Oceanside, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
54%Service-mix similarity~7.6 milesView profile →

Nayyar Siddique, MD

Hematology/Oncology · Internal Medicine (CMS) · Oceanside, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
54%Service-mix similarity~7.6 milesView profile →

Warren Steven Paroly, MD

Hematology/Oncology (CMS) · Oceanside, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
50%Service-mix similarity~7.6 milesView profile →

Himani Singh, MD

Hematology/Oncology (CMS) · Oceanside, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Insertion of needle into vein for collection of blood sample (36415)
50%Service-mix similarity~7.6 milesView profile →

John Philip Schwerkoske, MD

Hematology/Oncology (CMS) · Encinitas, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of drug or substance under skin or into muscle (96372)
  • Administration of chemotherapy into vein, 1 hour or less (96413)
49%Service-mix similarity~8.1 milesView profile →

Anjali Anil Bharne, M.D

Hematology/Oncology · Medical Oncology (CMS) · Encinitas, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Injection of drug or substance under skin or into muscle (96372)
49%Service-mix similarity~8.1 milesView profile →

Mina Nikanjam, MD PHD

Internal Medicine · Medical Oncology (CMS) · Encinitas, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Injection of drug or substance under skin or into muscle (96372)
43%Service-mix similarity~8.1 milesView profile →

Derek Anthony Helton, M.D.

Hematology/Oncology (CMS) · Vista, CA

Shared published services
3 shared services · view billing descriptions
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)
  • Injection of drug or substance under skin or into muscle (96372)
  • Administration of chemotherapy into vein, 1 hour or less (96413)
41%Service-mix similarity~4.4 milesView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in approximate distance order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.