IndividualActive
Louis Himmelstein, D.D.S.
NPI 1841225067 · General Practice Dentistry · Petaluma, CA
Louis Himmelstein, D.D.S. is a General Practice Dentistry provider in Petaluma, CA (NPI 1841225067).
Provider details
- NPI number
- 1841225067
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 27765 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(91/100 index)
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
135 Keller Street
Suite B
Petaluma, CA 94952-2312
Phone: (707) 763-0949
Fax: (707) 763-8724
Street-level locationGet directions
Mailing address
135 Keller Street
Petaluma, CA 94952-2312
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Louis Himmelstein's NPI number?
- Louis Himmelstein's National Provider Identifier (NPI) is 1841225067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Himmelstein's specialty?
- Louis Himmelstein is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Louis Himmelstein located?
- Louis Himmelstein's practice location on file with NPPES is 135 Keller Street, Petaluma, CA 94952-2312.
- What is Louis Himmelstein's phone number?
- The practice phone number listed in the NPPES registry for Louis Himmelstein is (707) 763-0949.
- Is Louis Himmelstein's NPI active?
- Yes — Louis Himmelstein's NPI (1841225067) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.