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

Joel Christopher Acab, MD

Individual provider Internal Medicine Physician · NPI 1518405661

Joel Christopher Acab, MD is an Internal Medicine in Walnut Creek, California. Qualified in 2017, 9 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Illinois.

Years since qualifying
9
Licensed in
CA, IL
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

320 Lennon Ln
Walnut Creek, CA 94598-2419
Phone: (925) 906-2040
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2525 S Michigan Ave, Chicago, IL 60616-2315 — (206) 235-3409
  • 21507 42nd Ave S, Seatac, WA 98198-4207 — (206) 235-3409

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A169809 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125071560 (IL)

Record details

NPI number1518405661
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 9, 2017
Last updated in NPPESJuly 21, 2022
Certification dateJanuary 6, 2021
Mailing address320 Lennon Ln, Walnut Creek, CA 94598-2419

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Walnut Creek