NPPES file of Aug 9, 2026

Natalia Nakajima, DO

Emergency Medicine Physician · Tucson, AZ

Natalia Nakajima, DO is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1801399845, issued on Mar 15, 2018. Check the license (Arizona 010154, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801399845
Name
Natalia Nakajima
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
010154 AZ
R3365 AZ
Self-reported in NPPES; status is on the state search
Practice location
3950 S Country Club RD Ste 200, Tucson, AZ 85714
Phone
(520) 626-5582
Enumerated
Mar 15, 2018
Record last updated
May 24, 2023
Medicare enrollment
Enrolled (PECOS I20240816001499); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3950 S Country Club RD Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Camarillo, DOEmergency Medicine Physician1689310989
  2. Nancy Cao, MDEmergency Medicine Physician1780473835
  3. Chane Cilliers, MDFamily Medicine Physician1558054437
  4. Joseph Demirjian, MDEmergency Medicine Physician1477127512
  5. Wendy DigiacintoEmergency Medicine Physician1598349342
  6. Gabrielle Gallegos, MDEmergency Medicine Physician1093508152

Verify Natalia Nakajima in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 010154
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% fewer Medicare Part D claims than the average emergency medicine physician in 2024

215 Medicare Part D claims for 146 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Natalia Nakajima215
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl28 claims
  2. Ondansetron Odt18 claims
  3. Ciprofloxacin Hcl13 claims
  4. Amoxicillin-Clavulanate Potass12 claims
  5. Prednisone12 claims
  6. Cefdinir11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mary's Peak Emergency PhysiciansCorvallis, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Natalia Nakajima among 1,494 emergency medicine physician records in Arizona

Natalia Nakajima, DO is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 73% of them.

  • NPI issued2018 · 73% of these records are older, 23% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2020 · median 2014 among the 828 with a school on file
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

422 emergency medicine physician records list a practice address in Tucson

They are 422 of the 18,788 NPPES records with a practice address in Tucson, and 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Robert Camarillo, DOTucson, AZ 857141689310989
  2. Joseph Demirjian, MDTucson, AZ 857141477127512
  3. Wendy DigiacintoTucson, AZ 857141598349342
  4. Lisa Goldberg, M.D.Tucson, AZ 857141366829228
  5. Philipp Hannan, M.D.Tucson, AZ 857141013365675
  6. Kelcy Higa, M.D.Tucson, AZ 857141023465630
  7. Zachary JohnsonTucson, AZ 857141619545282
  8. Kyra Langhelm, DOTucson, AZ 857141467165183

Common questions

What is Natalia Nakajima, DO's NPI number?

Natalia Nakajima, DO's National Provider Identifier (NPI) is 1801399845, issued on Mar 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Natalia Nakajima, DO located?

The NPPES record lists a practice address at 3950 S Country Club RD Ste 200, Tucson, AZ, 85714. Phone: (520) 626-5582. Providers update this record themselves, so call before visiting.

How can I verify Natalia Nakajima, DO's license?

NPPES lists Arizona license number 010154, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Natalia Nakajima, DO prescribe under Medicare Part D?

In 2024, Natalia Nakajima, DO had 215 Medicare Part D claims for 146 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.