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Anna Ackerman , RN

Registered Nurse • Santa Rosa, CA

Active NPI 1376409409 Individual Practitioner Female Practitioner
Practice location in NPPES

401 Bicentennial Way
Santa Rosa, CA 954032149

Call 7073934625 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

401 Bicentennial Way

Santa Rosa, CA 954032149

Telephone 7073934625
Organization at the Same NPPES Address or Phone
Kaiser Foundation Hospitals Facility NPI 1407925928

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

NPI first issued

2026

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Compared with the same specialty in Santa Rosa and California

160 active clinicians are listed under Registered Nurse with a practice address in Santa Rosa, CA (13,516 in California).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Santa Rosa

0% of these 160 clinicians have the CMS telehealth indicator.

0% of these 160 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-01-02
Registered Nurse Primary Specialty

NUCC Taxonomy Code: 163W00000X

License # reported to NPPES CA 95289675

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Medical Board of California.
Look Up on State Board Site

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

40 listed
Dr. Eduardo Alvarado , MD

Student in an Organized Health Care Education/Training Program

NPI 1205412897

Doctor of Medicine (M.D.)

Dr. Charles Amezcua , MD

Pathology - Anatomic Pathology

NPI 1245373992

Doctor of Medicine (M.D.)

Dr. Nicolaj Andersen , MD

Internal Medicine - Hematology & Oncology

NPI 1659455640

Doctor of Medicine (M.D.)

Ali Arianjam

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1396222576
NPI 1033110044

Doctor of Medicine (M.D.)

Dr. Ruchi Arora , MD

Family Medicine

NPI 1912176462

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated January 02, 2026.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2026 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1376409409
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 02, 2026
Last Update: January 02, 2026
Sole Proprietor: No

Other Registered Nurses in Santa Rosa

Healthcare providers in Santa Rosa

Mailing Address

5518 Rainbow Cir

Santa Rosa, CA 954094376

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.