Daniel Tamashiro, M.D.
NPI 1720191596 · Internal Medicine Physician · Clackamas, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Tamashiro, M.D. is a Internal Medicine Physician provider in Clackamas, OR (NPI 1720191596).
Provider details
- NPI number
- 1720191596
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 8426 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 166 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 752 | 222 |
| Atorvastatin Calcium | 707 | 208 |
| Simvastatin | 634 | 168 |
| Amlodipine Besylate | 627 | 184 |
| Oxycodone Hcl | 471 | 72 |
| Levothyroxine Sodium | 418 | 105 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2022-02-04
Frequently asked questions
- What is Daniel Tamashiro's NPI number?
- Daniel Tamashiro's National Provider Identifier (NPI) is 1720191596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Tamashiro's specialty?
- Daniel Tamashiro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Tamashiro located?
- Daniel Tamashiro's practice location on file with NPPES is 9800 Se Sunnyside Rd, Clackamas, OR 97015-9750.
- What is Daniel Tamashiro's phone number?
- The practice phone number listed in the NPPES registry for Daniel Tamashiro is (503) 571-0378.
- Does Daniel Tamashiro accept Medicare?
- Daniel Tamashiro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Tamashiro's NPI active?
- Yes — Daniel Tamashiro's NPI (1720191596) is active in the NPPES registry as of the last update on 2022-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.