Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. David S Maas, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1538653688

Dr. David S Maas, MD is a Hospice/Palliative Care in Pasadena, California. Graduated from Creighton University School of Medicine in 2018, 8 years ago. Practices with County of Santa Clara, a 993-clinician group, accepts Medicare assignment and offers telehealth.

Years since qualifying
8
Trained at
Creighton University School of Medicine
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 W California Blvd
Pasadena, CA 91105-3010
Phone: (626) 421-7733
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X · Licence 0000

Record details

NPI number1538653688
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2018
Last updated in NPPESJune 20, 2018
Mailing address2449 Mohawk St Apt 4, Pasadena, CA 91107-4229

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPICE/PALLIATIVE CARE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice County Of Santa Clara — 993 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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