DORIAN G SHIMOTANI DO
NPI 1407344393
Hospitalist in Saint Louis, MO
About Dorian G Shimotani Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DORIAN G SHIMOTANI DO (NPI 1407344393) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2021030411) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and maintains a secondary practice location in Richmond.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dorian G Shimotani Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Dorian Shimotani reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 255 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Missouri enrollment
- 301 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOParkland Health Center
Acute Care Hospitals · Farmington, MOMissouri Baptist Sullivan Hospital
Critical Access Hospitals · Sullivan, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63131
SAINT LOUIS, MO 63131
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dorian Shimotani's NPI number?
The NPI number for Dorian Shimotani is 1407344393. It was assigned to this individual provider in the NPPES registry on April 25, 2018.
Where is Dorian Shimotani located?
Dorian Shimotani practices at 3015 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 996-5772.
What is Dorian Shimotani's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Dorian Shimotani enrolled in Medicare?
Yes. Dorian Shimotani is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Dorian Shimotani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorian Shimotani reassigns Medicare benefits to 9 organizations: Fairview Heights Medical Group, Sc (Saint Louis, MO), Physician Groups Lc (Saint Louis, MO), Mercy Hospitals East Communities (Saint Louis, MO), Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, MO), Cogent Healthcare Of Missouri, Inc (Fenton, MO) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorian Shimotani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dorian Shimotani affiliated with any hospitals?
According to CMS data, Dorian Shimotani is affiliated with Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital, Parkland Health Center and Missouri Baptist Sullivan Hospital.
When was this NPI record last updated?
The NPPES record for Dorian Shimotani was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dorian G Shimotani, DO · NPI 1407344393
Hospitalist physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 25, 2018.
## Identity
- **NPI:** 1407344393 (Entity type: Individual)
- **Enumerated:** April 25, 2018
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2021030411 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3015 N BALLAS RD, Saint Louis, MO 63131-2329
- **Phone:** (314) 996-5772
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Fairview Heights Medical Group, Sc (NPI 1811392210, Saint Louis, MO); Physician Groups Lc (NPI 1285664268, Saint Louis, MO); Mercy Hospitals East Communities (NPI 1851431738, Saint Louis, MO); Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO); Cogent Healthcare Of Missouri, Inc (NPI 1780961599, Fenton, MO); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2018
## Record status
- **NPPES last updated:** January 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407344393) · Data from the CMS NPPES public registry.