Diana Ruiz, PA-C, MHS
NPI 1104931500 · Surgical Physician Assistant · Portland, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Ruiz, PA-C, MHS is a Surgical Physician Assistant provider in Portland, OR (NPI 1104931500).
Provider details
- NPI number
- 1104931500
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C, MHS
- Sex
- Female
- Sole proprietor
- No
- License
- PA00921 (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 187 | 139 |
| Ondansetronbrand: Ondansetron Odt | 32 | 31 |
| Hydromorphone Hcl | 28 | 23 |
| Tramadol Hcl | 19 | 18 |
| Cefadroxil | 17 | 16 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 14 | — |
| Meloxicam | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2007-07-11
Frequently asked questions
- What is Diana Ruiz's NPI number?
- Diana Ruiz's National Provider Identifier (NPI) is 1104931500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Ruiz's specialty?
- Diana Ruiz is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Ruiz located?
- Diana Ruiz's practice location on file with NPPES is 9427 Sw Barnes Rd, Portland, OR 97225-6652.
- What is Diana Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Diana Ruiz is (503) 203-2040.
- Does Diana Ruiz accept Medicare?
- Diana Ruiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Ruiz's NPI active?
- Yes — Diana Ruiz's NPI (1104931500) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.