Catherine Elizabeth Firestein, MD, MPH

Hospitalist

(800) 926-8273San Diego, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Catherine Elizabeth Firestein, MD, MPH has practiced hospitalist for 15+ years, working in group practice. Trained at Tulane University School of Medicine (class of 2011), she has been practicing for over 15 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and kidney disease (per CMS data).

At a glance

  • Uses generic medications more than 26% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 120 Hospitalist providers in CASee all Hospitalist in San Diego15+ years experienceNPI since 2011

Older · 2449dNPPES updated 2019-08-22 · verify on CMS

Contact & Location

Practice Location

200 W Arbor Dr, San Diego, CA 92103-9000

CMS Clinical Data

How Does This Doctor Compare?

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

Generic Rx

↑ Higher = better

81%

California avg: 83.3 · US avg: 82.8

Lower than most doctors nationally(-1.8 pts)

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

Medicare Patients

169

Unique beneficiaries

Standard volume

Prescription Recipients

31

Patients prescribed

Prescriptions Written

58

Total claims

Total Medicare drug cost: $8k

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 Hypertension, High Cholesterol, and Chronic Kidney Disease.

Hypertension
Higher than avg (+5%)75%

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

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+24%)54%

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

US avg: 29.6%

↑ More patients than average (+24%) — a focus area for this doctor

Arthritis
Higher than avg (+2%)51%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+2%) — a focus area for this doctor

Mood Disorders
47%

Conditions affecting emotional state, including depression and bipolar disorder

Heart Failure
Higher than avg (+24%)46%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+24%) — a focus area for this doctor

Depression
Higher than avg (+12%)44%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↑ More patients than average (+12%) — a focus area for this doctor

Diabetes
Higher than avg (+9%)43%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+9%) — a focus area for this doctor

GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2011

    Tulane University School of Medicine

  2. 15 years in practice

    Experienced

HospitalistAllopathic & Osteopathic Physicians

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Taxonomy: 208M00000X

Education & Training

Tulane University School of Medicine (Class of 2011)

Practice Footprint

Mailing address

Po Box 232410, San Diego, CA 92193-2410

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 190008

View hospital on Medicare Care Compare

Virtual Hospitalist Care With Catherine Elizabeth Firestein

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

Schedule a virtual visit with Catherine Elizabeth Firestein for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to San Diego 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 Catherine Elizabeth Firestein

NPI records show Dr. Firestein as active with telehealth listed in San Diego, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (800) 926-8273.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · 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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