Sarah L. Siak, MPAS, PA-C
- Medicare services, 2024
- 762
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 1,164
- Industry payments
- $6,882
- Affiliated sites
- 1
- Practice address
- 151 Southhall Ln, Maitland, FL 32751
- Practice phone
- Call (407) 333-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Dermatology And Cosmetic Surgery
Dermatology practice · Maitland, Florida
Find Sarah Siak'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.
Sarah L. Siak is a physician assistant in Maitland, Florida
Sarah Siak practices at Advanced Dermatology And Cosmetic Surgery in Maitland, Florida.
Sarah Siak's NPI, 1285624726, was assigned on October 26, 2005. Sarah Siak holds Florida license PA9101340.
- NPI
- 1285624726NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587604624
- NPI enumeration date
- October 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 333-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Sarah L. Siak practices at Advanced Dermatology and Cosmetic Surgery in Maitland, Florida
Sarah Siak's primary practice is Advanced Dermatology and Cosmetic Surgery, at 151 Southhall Ln, Maitland, FL 32751. The practice phone is (407) 333-4200.
- Advanced Dermatology and Cosmetic Surgery151 Southhall Ln, Maitland, FL 32751Phone(407) 333-4200
Source: Dmand AI Affiliation Data
Sarah L. Siak is affiliated with 1 site of care and 1 medical group
Sarah Siak's primary practice is Advanced Dermatology And Cosmetic Surgery in Maitland, Florida. The medical group on file is Advanced Dermatology and Cosmetic Surgery.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sarah L. Siak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sarah Siak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Dermatology And Cosmetic Surgery | Available with a free account |
Source: Dmand AI Technology Install Data
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Sarah L. Siak is one of 7,899 physician assistants in Florida
Physician assistant is Sarah Siak's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Sarah Siak is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Sarah Siak is licensed in Florida.
Specialties and state licenses
- Physician assistant, FloridaPrimary
Clinical focus
Dmand AI lists acne, acute skin infection, cold sores or genital herpes, contact dermatitis, itchy rashes, scalp rash and skin discoloration among the conditions Sarah Siak treats.
Physician assistants near Sarah Siak
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
Sarah L. Siak billed Medicare for 762 services in 2024
CMS data shows 762 Medicare services from Sarah Siak across 10 procedure codes in 2024, for 137 Medicare patients. Medicare paid $22,568 for them. Every service was in an office.
Sarah Siak's Medicare services by type, 2024
- Surgery571
- Office and hospital visits191
Sarah Siak compared with the Florida median for physician assistants, 2024
- Sarah Siak
- Florida median
- Medicare services
- 762vs 3212.4 times
- Medicare patients
- 137vs 1305% above
- Part D claims
- 1,054vs 3263.2 times
Medians across 5,430 physician assistants in Florida with Dmand AI profiles that report each measure.
Sarah Siak's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Sarah L. Siak treated 137 Medicare patients in 2024, average age 75
CMS counts 137 Medicare patients who saw Sarah Siak in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sarah Siak's median patient age at 68, with 58% women.
Sarah Siak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sarah Siak's Medicare patients by sex, 2024
- Women8663%
- Men5137%
Chronic conditions among Sarah Siak's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis47%
- Ischemic heart disease39%
- Diabetes31%
- Chronic kidney disease30%
- Anxiety28%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Sarah Siak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sarah L. Siak wrote 1,164 Medicare Part D claims in 2024
In 2024, Sarah Siak wrote 1,164 Medicare Part D claims for 356 patients. 84% of them were for generic drugs. CMS names the drug for 1,054 of them, across 27 drugs with 11 or more claims each, at $782,277 in total drug cost.
Sarah Siak's Part D claims by kind of drug, 2024
- Generic982 claims84%
- Brand-name182 claims16%
Sarah Siak's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Sarah Siak's Part D claims, 2024
- Antibiotics6%71 of 1,164 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Sarah L. Siak takes part in Medicare
Sarah Siak 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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Sarah L. Siak received $6,882 in industry payments from 2024 to 2025
CMS Open Payments shows 340 general payments to Sarah Siak from 26 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,141.
General payments to Sarah Siak by program year, 2024 to 2025
General payments to Sarah Siak by kind, 2024 to 2025
- Food and beverage$6,78999%
- Education$931%
Companies that paid Sarah Siak the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sarah L. Siak is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Sarah L. Siak'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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 Sarah L. Siak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sarah L. Siak's NPI number?
Sarah L. Siak's NPI number is 1285624726. It was assigned on October 26, 2005, and it is active in the NPI Registry.
What does Sarah L. Siak specialize in?
Sarah L. Siak is a physician assistant in Maitland, Florida. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Sarah L. Siak practice?
Sarah Siak practices at 151 Southhall Ln, Maitland, FL 32751. Sarah Siak's primary practice is Advanced Dermatology And Cosmetic Surgery in Maitland, Florida.
What is Sarah L. Siak's office phone number?
The practice phone on file for Sarah Siak is (407) 333-4200.
What is Sarah L. Siak's medical license number?
Sarah Siak holds Florida license PA9101340.
What medical group is Sarah L. Siak part of?
Sarah Siak is linked to Advanced Dermatology and Cosmetic Surgery.
Does Sarah L. Siak accept Medicare?
Yes. CMS data shows Sarah Siak billed Medicare for 762 services in 2024, and Sarah Siak accepts Medicare assignment.
How many Medicare patients does Sarah L. Siak see?
CMS counts 137 Medicare patients who saw Sarah Siak in 2024, with an average age of 75.
Is Sarah L. Siak board certified?
Yes. Sarah Siak is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Sarah L. Siak bill to Medicare?
In 2024, Sarah Siak's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
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What drugs does Sarah L. Siak prescribe most?
In 2024 Medicare Part D data, Sarah Siak's most prescribed drugs by claims were Ketoconazole, Ciclopirox and Triamcinolone Acetonide.
Has Sarah L. Siak received payments from drug or device companies?
CMS Open Payments shows $6,882 in general payments to Sarah Siak from 26 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Sarah L. Siak been practicing?
Sarah Siak graduated from medical school in 2000, 26 years ago.
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