Sylvia Phommalinh, PA-C
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 1,019
- Industry payments
- $2,395
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 2451 E Baseline Rd, Gilbert, AZ 85234
- Practice phone
- Call (480) 494-2770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bonhoeffer Rheumatology Institute
Gilbert, Arizona
Find Sylvia Phommalinh'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.
Sylvia Phommalinh is a physician assistant in Gilbert, Arizona
Sylvia Phommalinh practices at Bonhoeffer Rheumatology Institute in Gilbert, Arizona.
Sylvia Phommalinh's NPI, 1598240731, was assigned on October 3, 2018. Sylvia Phommalinh holds Arizona license 7258.
- NPI
- 1598240731NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557606894
- NPI enumeration date
- October 3, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 494-2770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sylvia Phommalinh practices at Bonhoeffer Rheumatology Institute in Gilbert, Arizona
Sylvia Phommalinh's primary practice is Bonhoeffer Rheumatology Institute, at 2451 E Baseline Rd, Gilbert, AZ 85234 in Maricopa County. The practice phone is (480) 494-2770.
- Bonhoeffer Rheumatology Institute2451 E Baseline Rd, Gilbert, AZ 85234 · Maricopa CountyPhone(480) 494-2770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sylvia Phommalinh is affiliated with 3 sites of care and 2 medical groups
Sylvia Phommalinh's primary practice is Bonhoeffer Rheumatology Institute in Gilbert, Arizona. The medical group on file is Arizona Arthritis & Rheumatology Associates. Dmand AI also links Sylvia Phommalinh to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sylvia Phommalinh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sylvia Phommalinh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bonhoeffer Rheumatology Institute | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Sylvia Phommalinh is one of 2,965 physician assistants in Arizona
Physician assistant is Sylvia Phommalinh's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Sylvia Phommalinh is licensed in Arizona.
Specialties and state licenses
- Physician assistant, ArizonaPrimary
Physician assistants near Sylvia Phommalinh
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
Sylvia Phommalinh treated 88 Medicare patients in 2024, average age 72
CMS counts 88 Medicare patients who saw Sylvia Phommalinh in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have arthritis, and 73% have high blood pressure. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sylvia Phommalinh's median patient age at 62, with 78% women.
Sylvia Phommalinh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sylvia Phommalinh's Medicare patients by sex, 2024
- Women6473%
- Men2427%
Chronic conditions among Sylvia Phommalinh's Medicare patients, 2024
- Arthritis75%
- High blood pressure73%
- High cholesterol72%
- Mood disorders36%
- Depression35%
- Chronic kidney disease24%
- Diabetes24%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Sylvia Phommalinh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women78%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sylvia Phommalinh wrote 1,019 Medicare Part D claims in 2024
In 2024, Sylvia Phommalinh wrote 1,019 Medicare Part D claims for 315 patients. 80% of them were for generic drugs.
Sylvia Phommalinh's Part D claims by kind of drug, 2024
- Generic817 claims80%
- Brand-name and other202 claims20%
Drug classes CMS tracks in Sylvia Phommalinh's Part D claims, 2024
- Opioids3%33 of 1,019 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 Sylvia Phommalinh takes part in Medicare
Sylvia Phommalinh 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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Sylvia Phommalinh received $2,395 in industry payments in 2025
CMS Open Payments shows 141 general payments to Sylvia Phommalinh from 16 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $614.
Companies that paid Sylvia Phommalinh 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 Sylvia Phommalinh'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 Sylvia Phommalinh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sylvia Phommalinh's NPI number?
Sylvia Phommalinh's NPI number is 1598240731. It was assigned on October 3, 2018, and it is active in the NPI Registry.
What does Sylvia Phommalinh specialize in?
Sylvia Phommalinh is a physician assistant in Gilbert, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Sylvia Phommalinh practice?
Sylvia Phommalinh practices at 2451 E Baseline Rd, Gilbert, AZ 85234. Sylvia Phommalinh's primary practice is Bonhoeffer Rheumatology Institute in Gilbert, Arizona. Dmand AI also links Sylvia Phommalinh to 2 group practices and clinics and 1 medical group.
What is Sylvia Phommalinh's office phone number?
The practice phone on file for Sylvia Phommalinh is (480) 494-2770.
What is Sylvia Phommalinh's medical license number?
Sylvia Phommalinh holds Arizona license 7258.
What medical group is Sylvia Phommalinh part of?
Sylvia Phommalinh is linked to Arizona Arthritis & Rheumatology Associates. Dmand AI links Sylvia Phommalinh to 1 more medical group.
Does Sylvia Phommalinh accept Medicare?
Yes. CMS lists Sylvia Phommalinh as accepting Medicare assignment.
How many Medicare patients does Sylvia Phommalinh see?
CMS counts 88 Medicare patients who saw Sylvia Phommalinh in 2024, with an average age of 72.
Has Sylvia Phommalinh received payments from drug or device companies?
CMS Open Payments shows $2,395 in general payments to Sylvia Phommalinh from 16 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Sylvia Phommalinh been practicing?
Sylvia Phommalinh graduated from medical school in 2018, 8 years ago.
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