NATALIA NAKAJIMA DO
NPI 1801399845
Emergency Medicine in Tucson, AZ
About Natalia Nakajima Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATALIA NAKAJIMA DO (NPI 1801399845) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (010154) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Medical Center, and maintains a secondary practice location in Lebanon.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Natalia Nakajima 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
4Medicare enrollment records show Natalia Nakajima reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 289 clinicians in this Medicare group
Albany, OR 97322
- Reassigned Medicare billing, Oregon enrollment
- 432 clinicians in this Medicare group
Albany, OR 97321
- Reassigned Medicare billing, Oregon enrollment
- 522 clinicians in this Medicare group
Corvallis, OR 97330
- Reassigned Medicare billing, Oregon enrollment
- 16 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Regional Medical Center
Acute Care Hospitals · Corvallis, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85714 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Natalia Nakajima's NPI number?
The NPI number for Natalia Nakajima is 1801399845. It was assigned to this individual provider in the NPPES registry on March 15, 2018.
Where is Natalia Nakajima located?
Natalia Nakajima practices at 3950 S Country Club Rd Ste 200, Tucson, AZ 85714. The listed phone number is (520) 626-5582.
What is Natalia Nakajima's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Natalia Nakajima enrolled in Medicare?
Yes. Natalia Nakajima 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 Natalia Nakajima's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalia Nakajima reassigns Medicare benefits to 4 organizations: Emergency Physicians Southwest, PC (Mesa, AZ), Albany General Hospital (Albany, OR), Good Samaritan Hospital Corvallis (Albany, OR) and Mary's Peak Emergency Physicians (Corvallis, OR). 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 Natalia Nakajima's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Natalia Nakajima affiliated with any hospitals?
According to CMS data, Natalia Nakajima is affiliated with Good Samaritan Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Natalia Nakajima was last updated on May 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Natalia Nakajima, DO · NPI 1801399845
Emergency Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since March 15, 2018.
## Identity
- **NPI:** 1801399845 (Entity type: Individual)
- **Enumerated:** March 15, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 010154 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 3950 S COUNTRY CLUB RD STE 200, Tucson, AZ 85714-2227
- **Phone:** (520) 626-5582
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Southwest, PC (NPI 1912053752, Mesa, AZ); Albany General Hospital (NPI 1851628648, Albany, OR); Good Samaritan Hospital Corvallis (NPI 1023376654, Albany, OR); Mary's Peak Emergency Physicians (NPI 1194733360, Corvallis, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** May 24, 2023
- **Other identifiers:** Other R3365 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1801399845) · Data from the CMS NPPES public registry.