Heather Christine Lowell Diaz, PA-C
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 1,422
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 5050 NE Hoyt Street, Suite 156, Portland, OR 97213
- Practice phone
- Call (971) 229-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Plaza Ambulatory Surgery Center - Portland
Surgery Center - Medicare-Certified · Portland, Oregon
Find Heather Diaz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Heather Christine Lowell Diaz is a physician assistant in Portland, Oregon
Heather Diaz practices at Plaza Ambulatory Surgery Center - Portland in Portland, Oregon.
Heather Diaz's NPI, 1467120543, was assigned on September 2, 2021. Heather Diaz holds Oregon license PA206659.
- NPI
- 1467120543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648678276
- NPI enumeration date
- September 2, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (971) 229-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Heather Christine Lowell Diaz practices at Plaza Ambulatory Surgery Center - Portland in Portland, Oregon
Heather Diaz's primary practice is Plaza Ambulatory Surgery Center - Portland, at 5050 NE Hoyt Street, Suite 156, Portland, OR 97213. The practice phone is (971) 229-8100.
- Plaza Ambulatory Surgery Center - Portland5050 NE Hoyt Street, Suite 156, Portland, OR 97213Phone(971) 229-8100
Source: Dmand AI Affiliation Data
Heather Christine Lowell Diaz is affiliated with 4 sites of care and 2 medical groups
Heather Diaz's primary practice is Plaza Ambulatory Surgery Center - Portland in Portland, Oregon. Heather Diaz is also affiliated with Providence Portland Medical Center. The medical group on file is Providence Medical Group, Oregon. Dmand AI also links Heather Diaz to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Heather Christine Lowell Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Heather Diaz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Plaza Ambulatory Surgery Center - Portland | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Heather Christine Lowell Diaz is one of 1,937 physician assistants in Oregon
Physician assistant is Heather Diaz's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Heather Diaz is licensed in Oregon.
Specialties and state licenses
- Physician assistant, OregonPrimary
Physician assistants near Heather Diaz
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Heather Christine Lowell Diaz treated 116 Medicare patients in 2024, average age 75
CMS counts 116 Medicare patients who saw Heather Diaz in 2024. The largest group is 65 to 74, with 49 patients. 66% of them have high blood pressure, and 66% have high cholesterol. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Heather Diaz's median patient age at 72, with 62% women.
Heather Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Heather Diaz's Medicare patients by sex, 2024
- Women7766%
- Men3934%
Chronic conditions among Heather Diaz's Medicare patients, 2024
- High blood pressure66%
- High cholesterol66%
- Arthritis57%
- Mood disorders26%
- Anxiety24%
- Depression23%
- Diabetes23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Heather Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Heather Christine Lowell Diaz wrote 1,422 Medicare Part D claims in 2024
In 2024, Heather Diaz wrote 1,422 Medicare Part D claims for 444 patients. 86% of them were for generic drugs.
Heather Diaz's Part D claims by kind of drug, 2024
- Generic1,217 claims86%
- Brand-name190 claims13%
- Other15 claims1%
Drug classes CMS tracks in Heather Diaz's Part D claims, 2024
- Opioids5%64 of 1,422 claims
- Antibiotics3%37 of 1,422 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Heather Christine Lowell Diaz takes part in Medicare
Heather Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Heather Christine Lowell Diaz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Heather Christine Lowell Diaz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Heather Christine Lowell Diaz's NPI number?
Heather Christine Lowell Diaz's NPI number is 1467120543. It was assigned on September 2, 2021, and it is active in the NPI Registry.
What does Heather Christine Lowell Diaz specialize in?
Heather Christine Lowell Diaz is a physician assistant in Portland, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Heather Christine Lowell Diaz practice?
Heather Diaz practices at 5050 NE Hoyt Street, Suite 156, Portland, OR 97213. Heather Diaz's primary practice is Plaza Ambulatory Surgery Center - Portland in Portland, Oregon. Dmand AI also links Heather Diaz to 2 group practices and clinics and 1 medical group.
What is Heather Christine Lowell Diaz's office phone number?
The practice phone on file for Heather Diaz is (971) 229-8100.
What is Heather Christine Lowell Diaz's medical license number?
Heather Diaz holds Oregon license PA206659.
Which hospitals is Heather Christine Lowell Diaz affiliated with?
Heather Diaz is affiliated with Providence Portland Medical Center.
What medical group is Heather Christine Lowell Diaz part of?
Heather Diaz is linked to Providence Medical Group, Oregon. Dmand AI links Heather Diaz to 1 more medical group.
Does Heather Christine Lowell Diaz accept Medicare?
Yes. CMS lists Heather Diaz as accepting Medicare assignment.
How many Medicare patients does Heather Christine Lowell Diaz see?
CMS counts 116 Medicare patients who saw Heather Diaz in 2024, with an average age of 75.
How long has Heather Christine Lowell Diaz been practicing?
Heather Diaz graduated from medical school in 2021, 5 years ago.
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