Hilary Powell, PA
- Part D claims, 2024
- 710
- Hospital affiliations
- 2
- Industry payments
- $17
- Medical groups
- 2
- State license
- 1
- Practice address
- 1179 North Mcdowell Blvd, Petaluma, CA 94954
- Practice phone
- Call (707) 559-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Petaluma Health Center
FQHC - Main Site · Petaluma, California
Find Hilary Powell'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.
Hilary Powell is a physician assistant in Petaluma, California
Hilary Powell practices at Petaluma Health Center in Petaluma, California.
Hilary Powell's NPI, 1528213543, was assigned on November 18, 2008. Hilary Powell graduated from Oregon Health Sciences University School of Medicine in 2008. Hilary Powell holds California license PA20066.
- NPI
- 1528213543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507929403
- NPI enumeration date
- November 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 559-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hilary Powell practices at Petaluma Health Center in Petaluma, California
Hilary Powell's primary practice is Petaluma Health Center, at 1179 North Mcdowell Blvd, Petaluma, CA 94954. The practice phone is (707) 559-7500.
- Petaluma Health Center1179 North Mcdowell Blvd, Petaluma, CA 94954Phone(707) 559-7500
Source: Dmand AI Affiliation Data
Hilary Powell is affiliated with 4 sites of care and 2 medical groups
Hilary Powell's primary practice is Petaluma Health Center in Petaluma, California. Hilary Powell is also affiliated with Petaluma Valley Hospital. The medical group on file is Petaluma Health Center. Dmand AI also links Hilary Powell to 1 more hospital, 1 community health center and 1 medical group, each named with a free account. Hilary Powell's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hilary Powell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hilary Powell practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Petaluma Health Center | 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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Hilary Powell is one of 11,482 physician assistants in California
Physician assistant is Hilary Powell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Hilary Powell is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Hilary Powell
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
Hilary Powell's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Hilary Powell's median patient age at 55, with 73% women.
Hilary Powell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women73%
- Men26%
Source: Dmand AI Patient Panel Data
Hilary Powell wrote 710 Medicare Part D claims in 2024
In 2024, Hilary Powell wrote 710 Medicare Part D claims for 125 patients. 89% of them were for generic drugs.
Hilary Powell's Part D claims by kind of drug, 2024
- Generic630 claims89%
- Brand-name and other80 claims11%
Drug classes CMS tracks in Hilary Powell's Part D claims, 2024
- Antibiotics3%24 of 710 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 Hilary Powell takes part in Medicare
Hilary Powell 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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Hilary Powell received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Hilary Powell from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $17.
Companies that paid Hilary Powell the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Hilary Powell graduated from Oregon Health Sciences University School of Medicine
Hilary Powell graduated from Oregon Health Sciences University School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Hilary Powell'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Hilary Powell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hilary Powell's NPI number?
Hilary Powell's NPI number is 1528213543. It was assigned on November 18, 2008, and it is active in the NPI Registry.
What does Hilary Powell specialize in?
Hilary Powell is a physician assistant in Petaluma, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Hilary Powell practice?
Hilary Powell practices at 1179 North Mcdowell Blvd, Petaluma, CA 94954. Hilary Powell's primary practice is Petaluma Health Center in Petaluma, California. Dmand AI also links Hilary Powell to 1 hospital, 1 community health center and 1 medical group.
What is Hilary Powell's office phone number?
The practice phone on file for Hilary Powell is (707) 559-7500.
What is Hilary Powell's medical license number?
Hilary Powell holds California license PA20066.
Which hospitals is Hilary Powell affiliated with?
Hilary Powell is affiliated with Petaluma Valley Hospital. Dmand AI links Hilary Powell to 1 more hospital.
What medical group is Hilary Powell part of?
Hilary Powell is linked to Petaluma Health Center. Dmand AI links Hilary Powell to 1 more medical group.
Does Hilary Powell accept Medicare?
Yes. CMS lists Hilary Powell as accepting Medicare assignment.
Where did Hilary Powell go to medical school?
Hilary Powell graduated from Oregon Health Sciences University School of Medicine in 2008.
Has Hilary Powell received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Hilary Powell from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Hilary Powell been practicing?
Hilary Powell graduated from medical school in 2008, 18 years ago.
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