Mercy Medical Services
NPI 1215978929 · Internal Medicine Physician · Sioux City, IA
Mercy Medical Services is a Internal Medicine Physician organization in Sioux City, IA (NPI 1215978929).
Provider details
- NPI number
- 1215978929
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- M. Elizabeth Flannery-Hughes, President(712) 279-2018
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Other names (DBA / former)
- Doing business as
- Mercy Internal Medicine
- Doing business as
- Mercy Internal Medicine
- Doing business as
- Mercyone Internal Medicine Clinic
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2020-02-20
- Certified
- 2020-02-20
Frequently asked questions
- What is Mercy Medical Services's NPI number?
- Mercy Medical Services's National Provider Identifier (NPI) is 1215978929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Medical Services?
- Mercy Medical Services is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mercy Medical Services located?
- Mercy Medical Services's practice location on file with NPPES is 624 Jones St, Sioux City, IA 51101-1924.
- What is Mercy Medical Services's phone number?
- The practice phone number listed in the NPPES registry for Mercy Medical Services is (712) 279-2510.
- Who is the authorized official for Mercy Medical Services?
- The authorized official listed on Mercy Medical Services's NPPES record is M. Elizabeth Flannery-Hughes, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Medical Services's NPI active?
- Yes — Mercy Medical Services's NPI (1215978929) is active in the NPPES registry as of the last update on 2020-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.