Diego San Millan Ruiz, MD
NPI 1689888323 · Diagnostic Ultrasound Physician · Baltimore, MD
Diego San Millan Ruiz, MD is a Diagnostic Ultrasound Physician provider in Baltimore, MD (NPI 1689888323).
Provider details
- NPI number
- 1689888323
- Entity type
- Individual
- Primary specialty
- Diagnostic Ultrasound PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- T2268 (MD)
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
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
Mailing address
Registry dates
- Enumerated
- 2007-05-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diego San Millan Ruiz's NPI number?
- Diego San Millan Ruiz's National Provider Identifier (NPI) is 1689888323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego San Millan Ruiz's specialty?
- Diego San Millan Ruiz is listed in the NPPES registry with a primary specialty of Diagnostic Ultrasound Physician (Allopathic & Osteopathic Physicians).
- Where is Diego San Millan Ruiz located?
- Diego San Millan Ruiz's practice location on file with NPPES is 525 S Ann St, Baltimore, MD 21231-2906.
- What is Diego San Millan Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Diego San Millan Ruiz is (443) 935-0850.
- Is Diego San Millan Ruiz's NPI active?
- Yes — Diego San Millan Ruiz's NPI (1689888323) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.