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

Aliya Gessling, MD

Individual provider Internal Medicine Physician · NPI 1912389149

Aliya Gessling, MD is an Internal Medicine in Walnut Creek, California. Qualified in 2015, 11 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Licensed in
CA
In the registry since
2015
Specialties on file
2
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

1425 S Main St
Walnut Creek, CA 94596-5318
Phone: (925) 295-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2315 Stockton Blvd, Sacramento, CA 95817-2201 — (916) 734-4681
  • 1220 Rossmoor Pkwy, Walnut Creek, CA 94595-2501 — (925) 937-3393

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence A152979 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A152979 (CA)

Record details

NPI number1912389149
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2015
Last updated in NPPESJanuary 8, 2023
Certification dateJanuary 8, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPICE/PALLIATIVE CARE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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