IndividualActive
Sonya Mack, RD, CNSD
NPI 1043226095 · Registered Dietitian · Saginaw, MI
Sonya Mack, RD, CNSD is a Registered Dietitian provider in Saginaw, MI (NPI 1043226095).
Provider details
- NPI number
- 1043226095
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CNSD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(84/100 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
1500 Weiss St
Saginaw, MI 48602-5251
Phone: (989) 497-2500
Street-level locationGet directions
Mailing address
2422 Lindsay Ln
Grand Blanc, MI 48439-8080
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-23
Frequently asked questions
- What is Sonya Mack's NPI number?
- Sonya Mack's National Provider Identifier (NPI) is 1043226095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonya Mack's specialty?
- Sonya Mack is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Sonya Mack located?
- Sonya Mack's practice location on file with NPPES is 1500 Weiss St, Saginaw, MI 48602-5251.
- What is Sonya Mack's phone number?
- The practice phone number listed in the NPPES registry for Sonya Mack is (989) 497-2500.
- Is Sonya Mack's NPI active?
- Yes — Sonya Mack's NPI (1043226095) is active in the NPPES registry as of the last update on 2007-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.