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Gregory Clark, MD
NPI 1386730836 · Internal Medicine Physician · Ankeny, IA
Gregory Clark, MD is a Internal Medicine Physician provider in Ankeny, IA (NPI 1386730836).
Provider details
- NPI number
- 1386730836
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-43163 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
800 E 1st St Ste 1700
Ankeny, IA 50021-2100
Phone: (515) 643-8100
Fax: (515) 643-8139
Street-level locationGet directions
Mailing address
Po Box 1475
Des Moines, IA 50305-1475
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2022-07-21
Frequently asked questions
- What is Gregory Clark's NPI number?
- Gregory Clark's National Provider Identifier (NPI) is 1386730836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Clark's specialty?
- Gregory Clark is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Clark located?
- Gregory Clark's practice location on file with NPPES is 800 E 1st St Ste 1700, Ankeny, IA 50021-2100.
- What is Gregory Clark's phone number?
- The practice phone number listed in the NPPES registry for Gregory Clark is (515) 643-8100.
- Is Gregory Clark's NPI active?
- Yes — Gregory Clark's NPI (1386730836) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.