David S Maas, MD

Student in an Organized Health Care Education/Training Program

(626) 421-7733Pasadena, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

David S Maas, MD has practiced student in an organized health care education/training program for 8+ years, working in group practice. He graduated from Creighton University School of Medicine in 2018 and has 8+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and diabetes (per CMS claims data). CMS MIPS quality score: 80.58/100 (2023).

At a glance

  • Uses generic medications more than 55% of reporting doctors in California
  • Federal MIPS score higher than 46% of MIPS-scored doctors in California
  • Virtual visits available — no app or travel required
1 of 269 Student in an Organized Health Care Education/Training Program providers in CASee all Student in an Organized Health Care Education/Training Program in Pasadena8+ years experienceNPI since 2018

Older · 2877dNPPES updated 2018-06-20 · verify on CMS

Contact & Location

Practice Location

100 W California Blvd, Pasadena, CA 91105-3010

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in California, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

80.58/100

California avg: 78.6 · US avg: 83.6

Lower than most doctors nationally(-3 pts)

Average range among MIPS-scored doctors in California

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

Opioid Rx

↓ Lower = better

39.94%

California avg: 5.2 · US avg: 5.1

Lower than most doctors nationally(+34.8 pts)

39.94% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

88.6%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+5.8 pts)

Typical range among reporting doctors in California

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

Medicare Patients

102

Unique beneficiaries

Standard volume

Prescription Recipients

57

Patients prescribed

Prescriptions Written

333

Total claims

Total Medicare drug cost: $13k

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 Diabetes.

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
Lower than avg (-10%)60%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-10%) — less common here

Diabetes
Higher than avg (+16%)50%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+16%) — a focus area for this doctor

Cancer
Higher than avg (+25%)46%

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

US avg: 20.8%

↑ More patients than average (+25%) — a focus area for this doctor

Heart Failure
Higher than avg (+14%)36%

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

US avg: 22.5%

↑ More patients than average (+14%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+5%)35%

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

US avg: 29.6%

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

Arthritis
Lower than avg (-20%)29%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-20%) — less common here

Ischemic Heart Disease
Lower than avg (-4%)28%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-4%) — less common here

GeneralBehavioralNational avg

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

Community Context

Social Vulnerability Index: 0.58 / 1.00

Moderate vulnerability

He practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.

Source: CDC/ATSDR Social Vulnerability Index.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2018

    Creighton University School of Medicine

  2. 8 years in practice

    Established

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Taxonomy: 390200000X

Education & Training

Creighton University School of Medicine (Class of 2018)

Practice Footprint

Mailing address

2449 Mohawk St Apt 4, Pasadena, CA 91107-4229

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 190017

View hospital on Medicare Care Compare

Virtual Student in an Organized Health Care Education/Training Program Care With David S Maas

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

Schedule a virtual visit with David S Maas for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Pasadena 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 David S Maas

NPI records show Dr. Maas as active with telehealth listed in Pasadena, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 421-7733.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator · CDC SVI. 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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