Ian Ross, MD
NPI 1659710580 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Ross, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1659710580).
Provider details
- NPI number
- 1659710580
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2015012494 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Registry dates
- Enumerated
- 2013-06-25
- Last updated
- 2021-09-30
- Certified
- 2021-09-30
Frequently asked questions
- What is Ian Ross's NPI number?
- Ian Ross's National Provider Identifier (NPI) is 1659710580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Ross's specialty?
- Ian Ross is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Ross located?
- Ian Ross's practice location on file with NPPES is 915 N Grand Blvd, Saint Louis, MO 63106-1621.
- What is Ian Ross's phone number?
- The practice phone number listed in the NPPES registry for Ian Ross is (314) 652-4100.
- Does Ian Ross accept Medicare?
- Ian Ross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Ross's NPI active?
- Yes — Ian Ross's NPI (1659710580) is active in the NPPES registry as of the last update on 2021-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.