OrganizationActive
Joshua H Rassen MD Inc
NPI 1619512548 · Internal Medicine Physician · Sonoma, CA
Joshua H Rassen MD Inc is a Internal Medicine Physician organization in Sonoma, CA (NPI 1619512548).
Provider details
- NPI number
- 1619512548
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Joshua Rassen, President(707) 935-3759
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
181 Andrieux St Ste 202
Sonoma, CA 95476-6920
Phone: (707) 933-0500
Street-level locationGet directions
Mailing address
1545 N Castle Rd
Sonoma, CA 95476-4864
Registry dates
- Enumerated
- 2019-11-14
- Last updated
- 2019-11-14
Frequently asked questions
- What is Joshua H Rassen MD Inc's NPI number?
- Joshua H Rassen MD Inc's National Provider Identifier (NPI) is 1619512548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Joshua H Rassen MD Inc?
- Joshua H Rassen MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua H Rassen MD Inc located?
- Joshua H Rassen MD Inc's practice location on file with NPPES is 181 Andrieux St Ste 202, Sonoma, CA 95476-6920.
- What is Joshua H Rassen MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Joshua H Rassen MD Inc is (707) 933-0500.
- Who is the authorized official for Joshua H Rassen MD Inc?
- The authorized official listed on Joshua H Rassen MD Inc's NPPES record is Joshua Rassen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Joshua H Rassen MD Inc's NPI active?
- Yes — Joshua H Rassen MD Inc's NPI (1619512548) is active in the NPPES registry as of the last update on 2019-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.