Lillia Rachel Siegel, PA-C
- Part D claims, 2024
- 1,050
- Industry payments
- $103
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 875 South Dobson Road, Chandler, AZ 85224
- Practice phone
- Call (480) 855-2033
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southeast Valley Endoscopy Center
Surgery Center - Medicare-Certified · Chandler, Arizona
Find Lillia Siegel'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.
Lillia Rachel Siegel is a physician assistant in Chandler, Arizona
Lillia Siegel practices at Southeast Valley Endoscopy Center in Chandler, Arizona.
Lillia Siegel's NPI, 1457052565, was assigned on March 15, 2023. Lillia Siegel holds Arizona license 9731.
- NPI
- 1457052565NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244694750
- NPI enumeration date
- March 15, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 855-2033
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lillia Rachel Siegel practices at Southeast Valley Endoscopy Center in Chandler, Arizona
Lillia Siegel's primary practice is Southeast Valley Endoscopy Center, at 875 South Dobson Road, Chandler, AZ 85224. The practice phone is (480) 855-2033.
- Southeast Valley Endoscopy Center875 South Dobson Road, Chandler, AZ 85224Phone(480) 855-2033
Source: Dmand AI Affiliation Data
Lillia Rachel Siegel is affiliated with 1 site of care and 2 medical groups
Lillia Siegel's primary practice is Southeast Valley Endoscopy Center in Chandler, Arizona. The medical group on file is Southeast Valley Gastroenterology. Dmand AI also links Lillia Siegel to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lillia Rachel Siegel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lillia Siegel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southeast Valley Endoscopy Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Lillia Rachel Siegel is one of 2,965 physician assistants in Arizona
Physician assistant is Lillia Siegel's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Lillia Siegel is licensed in Arizona.
Specialties and state licenses
- Physician assistant, ArizonaPrimary
Physician assistants near Lillia Siegel
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
Lillia Rachel Siegel's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Lillia Siegel's median patient age at 51, with 60% women.
Lillia Siegel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women60%
- Men39%
Source: Dmand AI Patient Panel Data
Lillia Rachel Siegel wrote 1,050 Medicare Part D claims in 2024
In 2024, Lillia Siegel wrote 1,050 Medicare Part D claims for 158 patients. 84% of them were for generic drugs.
Lillia Siegel's Part D claims by kind of drug, 2024
- Generic878 claims84%
- Brand-name151 claims14%
- Other21 claims2%
Drug classes CMS tracks in Lillia Siegel's Part D claims, 2024
- Opioids2%19 of 1,050 claims
- Antibiotics5%54 of 1,050 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 Lillia Rachel Siegel takes part in Medicare
Lillia Siegel 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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Lillia Rachel Siegel received $103 in industry payments in 2025
CMS Open Payments shows 4 general payments to Lillia Siegel from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Ardelyx, Inc. paid the most, $32.
Companies that paid Lillia Siegel the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Lillia Rachel Siegel'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) |
| 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 Lillia Rachel Siegel
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What is Lillia Rachel Siegel's NPI number?
Lillia Rachel Siegel's NPI number is 1457052565. It was assigned on March 15, 2023, and it is active in the NPI Registry.
What does Lillia Rachel Siegel specialize in?
Lillia Rachel Siegel is a physician assistant in Chandler, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Lillia Rachel Siegel practice?
Lillia Siegel practices at 875 South Dobson Road, Chandler, AZ 85224. Lillia Siegel's primary practice is Southeast Valley Endoscopy Center in Chandler, Arizona. Dmand AI also links Lillia Siegel to 1 medical group.
What is Lillia Rachel Siegel's office phone number?
The practice phone on file for Lillia Siegel is (480) 855-2033.
What is Lillia Rachel Siegel's medical license number?
Lillia Siegel holds Arizona license 9731.
What medical group is Lillia Rachel Siegel part of?
Lillia Siegel is linked to Southeast Valley Gastroenterology. Dmand AI links Lillia Siegel to 1 more medical group.
Does Lillia Rachel Siegel accept Medicare?
Yes. CMS lists Lillia Siegel as accepting Medicare assignment.
Has Lillia Rachel Siegel received payments from drug or device companies?
CMS Open Payments shows $103 in general payments to Lillia Siegel from 4 companies from 2025 to 2025. The largest total came from Ardelyx, Inc.
How long has Lillia Rachel Siegel been practicing?
Lillia Siegel graduated from medical school in 2023, 3 years ago.
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