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

Individual provider Emergency Medicine Physician · NPI 1063425072

Dr. Aaron Pessl, MD is an Emergency Medicine in Hayward, California. Graduated from Tulane University School of Medicine in 2003, 23 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
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

27400 Hesperian Blvd
Hayward, CA 94545-4235
Phone: (510) 784-4525
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A89998 (CA)

Record details

NPI number1063425072
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESDecember 9, 2021
Mailing address2247 31st Ave, San Francisco, CA 94116-1640

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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