Organization Profile
Kaiser Permenante
Unclaimed ProfileAbout Kaiser Permenante
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Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Brook A. Woolley, M.D. Emergency Medicine
- Thomas Cresante, D.O. INTERNAL MEDICINE
- Sara Won, MD Obstetrics & Gynecology
- Michelle C. Vu, CRNA Certified Registered Nurse Anesthetist
- Jesus G. Jimenez, MD Vascular Surgery
- Edward H. Pieczenik, L.C.S.W. Clinical Social Worker
- Carlos A. Cromeyer, MD Neurology
- Maria L. Domantay, MD
- Cathy C. Dugan, MD Pediatrics
- Brett J. Coleman, CRNA Certified Registered Nurse Anesthetist
- William M. Greif, MD Surgery
Showing 11 of 716. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
About this hospital
Source: CMS Care Compare, Hospital General Information, checked 2026-09-12.
Most common inpatient stays (Medicare)
131 Medicare discharges across 5 diagnosis groups (2024). Groups with fewer than 11 discharges are not published by CMS.
| Diagnosis group | DRG | Discharges | Avg. Medicare payment |
|---|---|---|---|
| Septicemia Or Severe Sepsis Without Mv >96 Hours With Mcc | 871 | 74 | $15,780 |
| Septicemia Or Severe Sepsis Without Mv >96 Hours Without Mcc | 872 | 16 | $4,608 |
| Heart Failure and Shock With Mcc | 291 | 15 | $9,888 |
| Pulmonary Edema and Respiratory Failure | 189 | 13 | $7,761 |
| Respiratory Infections and Inflammations With Mcc | 177 | 13 | $9,326 |
Source: CMS Medicare Inpatient Hospitals by Provider and Service. Shows what the hospital admits Medicare patients for and what Medicare paid on average — not quality of care.
Contact Information
- (925) 295-4655
- Email not available
Practice Locations
1425 S MAIN ST
Walnut Creek, CA 94596
CMS Quality Rating
Sources
This rating is published by the Centers for Medicare & Medicaid Services (CMS) and is reproduced here unmodified.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at Kaiser Permenante 1
Providers listing the same practice in the NPI registry.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hospitals in Walnut Creek 5
Same specialty, same city.
Common questions
What does Kaiser Permenante specialize in?
Kaiser Permenante is a hospital in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Acute Care Hospital”.
NPI registry
Where is Kaiser Permenante located?
Kaiser Permenante is listed at 1425 S Main St, Walnut Creek, CA 94596. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Kaiser Permenante's phone number?
The number on file is (925) 295-4655. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Kaiser Permenante's NPI number?
Kaiser Permenante's National Provider Identifier is 1821244294. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Has Kaiser Permenante confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kaiser Permenante. If this is you, claiming it is free.
Guide.md
Is this your practice?
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.