Bonnie Rathjen, M.D.
NPI 1952331852 · Internal Medicine Physician · Pleasanton, CA
Bonnie Rathjen, M.D. is a Internal Medicine Physician provider in Pleasanton, CA (NPI 1952331852).
Provider details
- NPI number
- 1952331852
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G43694 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2007-07-09
Frequently asked questions
- What is Bonnie Rathjen's NPI number?
- Bonnie Rathjen's National Provider Identifier (NPI) is 1952331852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Rathjen's specialty?
- Bonnie Rathjen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bonnie Rathjen located?
- Bonnie Rathjen's practice location on file with NPPES is 4125 Mohr Ave, Pleasanton, CA 94566-4749.
- What is Bonnie Rathjen's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Rathjen is (925) 462-3664.
- Is Bonnie Rathjen's NPI active?
- Yes — Bonnie Rathjen's NPI (1952331852) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.