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Sonja Van Mastrigt-De Graaff, NMD, PHD
NPI 1679696751 · Naturopath · Scottsdale, AZ
Sonja Van Mastrigt-De Graaff, NMD, PHD is a Naturopath provider in Scottsdale, AZ (NPI 1679696751).
Provider details
- NPI number
- 1679696751
- Entity type
- Individual
- Primary specialty
- NaturopathOther Service Providers
- Credential
- NMD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 98-536 (AZ)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 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
12320 N 136th Pl
Scottsdale, AZ 85259-2311
Phone: (480) 314-2333
Fax: (480) 314-2252
Street-level locationGet directions
Mailing address
12320 N 136th Pl
Scottsdale, AZ 85259-2311
Registry dates
- Enumerated
- 2007-04-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sonja Van Mastrigt-De Graaff's NPI number?
- Sonja Van Mastrigt-De Graaff's National Provider Identifier (NPI) is 1679696751, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Van Mastrigt-De Graaff's specialty?
- Sonja Van Mastrigt-De Graaff is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).
- Where is Sonja Van Mastrigt-De Graaff located?
- Sonja Van Mastrigt-De Graaff's practice location on file with NPPES is 12320 N 136th Pl, Scottsdale, AZ 85259-2311.
- What is Sonja Van Mastrigt-De Graaff's phone number?
- The practice phone number listed in the NPPES registry for Sonja Van Mastrigt-De Graaff is (480) 314-2333.
- Is Sonja Van Mastrigt-De Graaff's NPI active?
- Yes — Sonja Van Mastrigt-De Graaff's NPI (1679696751) 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.