Heather Diaz, PA-C
NPI 1467120543 · Physician Assistant · Portland, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Diaz, PA-C is a Physician Assistant provider in Portland, OR (NPI 1467120543).
Provider details
- NPI number
- 1467120543
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA206659 (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 tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
150 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $66 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $94 |
| Administration of Influenza Virus VaccineG0008 | 11 | $33 |
Typical Medicare-allowed amounts for these services range $33–$94 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 79 | 40 |
| Amlodipine Besylate | 61 | 30 |
| Lisinopril | 53 | 28 |
| Omeprazole | 40 | 27 |
| Levothyroxine Sodium | 38 | 22 |
| Losartan Potassium | 36 | 19 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 5050 Ne Hoyt St Ste 422Portland, OR 97213-2984Phone: (503) 488-2345Fax: (503) 488-2350
Registry dates
- Enumerated
- 2021-09-02
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Heather Diaz's NPI number?
- Heather Diaz's National Provider Identifier (NPI) is 1467120543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Diaz's specialty?
- Heather Diaz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Diaz located?
- Heather Diaz's practice location on file with NPPES is 9155 Sw Barnes Rd Ste 532, Portland, OR 97225-6632.
- What is Heather Diaz's phone number?
- The practice phone number listed in the NPPES registry for Heather Diaz is (503) 488-2344.
- Does Heather Diaz accept Medicare?
- Heather Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Diaz's NPI active?
- Yes — Heather Diaz's NPI (1467120543) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.