Rupa Subramanian, M.D.

Hematology & Oncology

Internal Medicine

Also practices: MEDICAL ONCOLOGY

Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Rupa Subramanian, M.D. has been part of the Vista medical community since 2005 in group practice. With 31+ years of experience, she has been practicing in the Vista area. CMS Medicare data shows her patients commonly have cancer, high cholesterol, and hypertension. CMS MIPS quality score: 75/100 (2023).

At a glance

  • Uses generic medications more than 32% of reporting doctors in California
  • Federal MIPS score higher than 21% of MIPS-scored doctors in California
  • Virtual visits available — no app or travel required
1 of 796 Internal Medicine providers in CASee all Internal Medicine in Vista31+ years experienceNPI since 2005

Older · 6587dNPPES updated 2008-04-23 · verify on CMS

Contact & Location

Practice Location

910 Sycamore Ave Suite 102, Vista, CA 92081-7832

Fax: (760) 598-1196
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

MIPS Score

2023

75/100

California avg: 78.6 · US avg: 83.6

Lower than most doctors nationally(-8.6 pts)

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

83.6%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+0.8 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

367

Unique beneficiaries

Standard volume

Prescription Recipients

198

Patients prescribed

Prescriptions Written

811

Total claims

Total Medicare drug cost: $1.49M

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Cancer, High Cholesterol, and Hypertension.

Cancer
Higher than avg (+54%)75%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+54%) — a focus area for this doctor

High Cholesterol
Lower than avg (-2%)68%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-2%) — less common here

Hypertension
Lower than avg (-6%)64%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-6%) — less common here

Arthritis
Lower than avg (-6%)43%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-6%) — less common here

Anxiety Disorders
Lower than avg (-9%)25%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-9%) — less common here

Osteoporosis
Higher than avg (+6%)24%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+6%) — a focus area for this doctor

Mood Disorders
23%

Conditions affecting emotional state, including depression and bipolar disorder

Chronic Kidney Disease
Lower than avg (-9%)21%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-9%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$550 received from industry

2 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Rupa Subramanian's NPI.

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 31 years in practice

    Senior practitioner

Internal MedicineHematology & Oncology in VistaAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Taxonomy: 207RH0003X

Practice Footprint

Mailing address

910 Sycamore Ave Suite 270, Vista, CA 92081-7832

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 190008

View hospital on Medicare Care Compare

Virtual Hematology & Oncology Care With Rupa Subramanian

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Rupa Subramanian for follow-up consultations, cholesterol management, blood pressure monitoring — no travel to Vista required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Rupa Subramanian

NPI records show Dr. Subramanian as active with telehealth listed in Vista, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (760) 598-1700.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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