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Marissa Gregg, DDS
NPI 1073033544 · General Practice Dentistry · Ankeny, IA
Marissa Gregg, DDS is a General Practice Dentistry provider in Ankeny, IA (NPI 1073033544).
Provider details
- NPI number
- 1073033544
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- DDS-09437 (IA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
121 Ne 18th St
Ankeny, IA 50021-4697
Phone: (515) 963-3339
Street-level locationGet directions
Mailing address
172 Hawkeye Ct Apt 216
Iowa City, IA 52246-2859
Registry dates
- Enumerated
- 2017-06-26
- Last updated
- 2017-06-26
Frequently asked questions
- What is Marissa Gregg's NPI number?
- Marissa Gregg's National Provider Identifier (NPI) is 1073033544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Gregg's specialty?
- Marissa Gregg is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Marissa Gregg located?
- Marissa Gregg's practice location on file with NPPES is 121 Ne 18th St, Ankeny, IA 50021-4697.
- What is Marissa Gregg's phone number?
- The practice phone number listed in the NPPES registry for Marissa Gregg is (515) 963-3339.
- Is Marissa Gregg's NPI active?
- Yes — Marissa Gregg's NPI (1073033544) is active in the NPPES registry as of the last update on 2017-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.