IndividualActive
Karen Williamson, RD
NPI 1639397623 · Registered Dietitian · Baldwin Park, CA
Karen Williamson, RD is a Registered Dietitian provider in Baldwin Park, CA (NPI 1639397623).
Provider details
- NPI number
- 1639397623
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(83/100 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
83% 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
1011 Baldwin Park Blvd
Baldwin Park, CA 91706-5806
Phone: (626) 851-7023
Fax: (626) 851-5889
Street-level locationGet directions
Mailing address
26407 Citylights Ct
Canyon Country, CA 91351-4895
Registry dates
- Enumerated
- 2007-04-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Williamson's NPI number?
- Karen Williamson's National Provider Identifier (NPI) is 1639397623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Williamson's specialty?
- Karen Williamson is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Karen Williamson located?
- Karen Williamson's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is Karen Williamson's phone number?
- The practice phone number listed in the NPPES registry for Karen Williamson is (626) 851-7023.
- Is Karen Williamson's NPI active?
- Yes — Karen Williamson's NPI (1639397623) 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.