Dr. Catherine Johnsen, DO
- Part D claims, 2023
- 22
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4700 Hoen Ave, Santa Rosa, CA 95405-7824
- Practice phone
- Call (707) 526-3360
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sutter Medical Group Of The Redwoods
Primary care practice · Santa Rosa, California
Find Dr. Johnsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Catherine Johnsen is a family medicine physician in Healdsburg, California
Dr. Johnsen practices at Sutter Medical Group Of The Redwoods in Santa Rosa, California.
Dr. Johnsen's NPI, 1801830724, was assigned on June 15, 2006. Dr. Johnsen graduated from College of Osteopathic Medicine of the Pacific in 1998. Dr. Johnsen holds California license ZOA7468.
- NPI
- 1801830724NPI Registry (opens in a new tab)
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Practice phone
- (707) 526-3360
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Johnsen practices in Santa Rosa and Healdsburg
Dr. Johnsen's primary practice is Sutter Medical Group of the Redwoods, at 4700 Hoen Ave, Santa Rosa, CA 95405-7824. The practice phone is (707) 526-3360. The NPI Registry lists Dr. Johnsen's practice address as 1375 University St, Healdsburg, CA 95448.
- Sutter Medical Group of the RedwoodsPrimary4700 Hoen Ave, Santa Rosa, CA 95405-7824Phone(707) 526-3360
- NPI Registry address1375 University St, Healdsburg, CA 95448 · Sonoma CountyPhone(707) 526-3360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Catherine Johnsen is affiliated with 1 site of care and 1 medical group
Dr. Johnsen's primary practice is Sutter Medical Group Of The Redwoods in Santa Rosa, California. Dmand AI also links Dr. Johnsen to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Catherine Johnsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Medical Group Of The Redwoods | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Johnsen is one of 15,680 family medicine physicians in California
Family medicine is Dr. Johnsen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Johnsen is board certified in 1999 - 2017 by the CA State License. Dr. Johnsen is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Johnsen
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Catherine Johnsen wrote 22 Medicare Part D claims in 2023
In 2023, Dr. Johnsen wrote 22 Medicare Part D claims. They cover 1 drug, with $1,150 in total drug cost. In 2022, CMS named 28 claims across 1 drug.
Dr. Johnsen's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 282023: 2221%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Catherine Johnsen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Johnsen, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Johnsen
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Catherine Johnsen graduated from College of Osteopathic Medicine of the Pacific
Dr. Johnsen graduated from College of Osteopathic Medicine of the Pacific in 1998. Dr. Johnsen is a member of AOA.
- Medical school
- Board certified in 1999 - 2017
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine Johnsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Catherine Johnsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Catherine Johnsen's NPI number?
Dr. Catherine Johnsen's NPI number is 1801830724. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Johnsen?
Dr. Catherine Johnsen is a family medicine physician in Healdsburg, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Catherine Johnsen practice?
Dr. Johnsen practices at 4700 Hoen Ave, Santa Rosa, CA 95405-7824. Dr. Johnsen also practices at 1375 University St, Healdsburg, CA 95448. Dr. Johnsen's primary practice is Sutter Medical Group Of The Redwoods in Santa Rosa, California. Dmand AI also links Dr. Johnsen to 1 medical group.
What is Dr. Catherine Johnsen's office phone number?
The practice phone on file for Dr. Johnsen is (707) 526-3360.
What is Dr. Catherine Johnsen's medical license number?
Dr. Johnsen holds California license ZOA7468.
Is Dr. Catherine Johnsen board certified?
Yes. Dr. Johnsen is board certified in 1999 - 2017 by the CA State License.
Where did Dr. Catherine Johnsen go to medical school?
Dr. Johnsen graduated from College of Osteopathic Medicine of the Pacific in 1998.
What drugs does Dr. Catherine Johnsen prescribe most?
In 2023 Medicare Part D data, Dr. Johnsen's most prescribed drugs by claims were Adacel Tdap.
How long has Dr. Catherine Johnsen been practicing?
Dr. Johnsen graduated from medical school in 1998, 28 years ago.
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