Ralph Tamura, MD
NPI 1861418691 · Maternal & Fetal Medicine Physician · Chicago, IL
Ralph Tamura, MD is a Maternal & Fetal Medicine Physician provider in Chicago, IL (NPI 1861418691).
Provider details
- NPI number
- 1861418691
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
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
83% 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
- 2006-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ralph Tamura's NPI number?
- Ralph Tamura's National Provider Identifier (NPI) is 1861418691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Tamura's specialty?
- Ralph Tamura is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Tamura located?
- Ralph Tamura's practice location on file with NPPES is 680 N Lake Shore Dr, Chicago, IL 60611-4546.
- What is Ralph Tamura's phone number?
- The practice phone number listed in the NPPES registry for Ralph Tamura is (312) 695-9797.
- Is Ralph Tamura's NPI active?
- Yes — Ralph Tamura's NPI (1861418691) 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.