Christina F. Siau

  • Ithaca, NY
  • Physician assistant
NPI1245601574PAC ID9931401023
Medicare services, 2024
131
Medicare patients, 2024
76
Part D claims, 2024
26
MIPS score, 2024
94
Hospital affiliations
2
Practice address
101 Dates Drive, Ithaca, NY 14850
Practice phone
Call (607) 274-4401
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cayuga Medical Center

Hospital · Ithaca, New York

See all 5 affiliations

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Christina F. Siau is a physician assistant in Ithaca, New York

Christina Siau practices at Cayuga Medical Center in Ithaca, New York, part of Centralus Health.

Christina Siau's NPI, 1245601574, was assigned on October 13, 2015. Christina Siau holds New York license 019037.

NPI and contact details
Medicare PAC ID
9931401023
NPI enumeration date
October 13, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(607) 274-4401
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Christina F. Siau practices at Cayuga Medical Center in Ithaca, New York

Christina Siau's primary practice is Cayuga Medical Center, at 101 Dates Drive, Ithaca, NY 14850 in Tompkins County. The practice phone is (607) 274-4401.

Source: Dmand AI Affiliation Data

Christina F. Siau is affiliated with 3 sites of care and 2 medical groups

Christina Siau's primary practice is Cayuga Medical Center in Ithaca, New York, part of Centralus Health. The medical group on file is Cayuga Medical Associates. Dmand AI also links Christina Siau to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.

See all 5 affiliations for Christina Siau

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Christina F. Siau's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Christina Siau practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cayuga Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Christina F. Siau is one of 11,456 physician assistants in New York

Physician assistant is Christina Siau's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christina Siau is board certified in 2017 - 2019 by the CA State PA License. Christina Siau is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 019037 · taxonomy 363A00000X

Physician assistants near Christina Siau

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

Christina F. Siau billed Medicare for 131 services in 2024

CMS data shows 131 Medicare services from Christina Siau across 4 procedure codes in 2024, for 76 Medicare patients. Medicare paid $13,608 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024131
Medicare patients76
Paid by Medicare$13,608
Procedure codes4

Christina Siau compared with the New York median for physician assistants, 2024

  • Christina Siau
  • New York median
Medicare services
131vs 17626% below
Medicare patients
76vs 78Close to median

Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.

Christina Siau'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.

See all procedures by Christina Siau

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Christina F. Siau treated 76 Medicare patients in 2024, average age 75

CMS counts 76 Medicare patients who saw Christina Siau in 2024. The largest group is 75 to 84, with 25 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Christina Siau's median patient age at 65, with 50% women.

Medicare patients, 202476
Average age75
Average risk score2.37
Also on Medicaid38%

Christina Siau's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Christina Siau's Medicare patients by sex, 2024

  • Women3850%
  • Men3850%

Chronic conditions among Christina Siau's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol68%
  3. Heart failure61%
  4. Atrial fibrillation50%
  5. Chronic kidney disease50%
  6. Mood disorders49%
  7. Arthritis47%
  8. Depression45%

Share of Medicare patients with each condition. A patient can have several.

Christina Siau's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Christina F. Siau wrote 26 Medicare Part D claims in 2024

In 2024, Christina Siau wrote 26 Medicare Part D claims for 14 patients. 73% of them were for generic drugs.

Part D claims, 202426
Part D patients14

Christina Siau's Part D claims by kind of drug, 2024

  • Generic19 claims73%
  • Brand-name and other7 claims27%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Christina F. Siau scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Christina Siau for performance year 2024, reported through an alternative payment model (APM). Christina Siau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Christina Siau's MIPS scores, performance year 2024

  • 94of 100Final score
  • 82.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Christina F. Siau is board certified in 2017 - 2019

  1. Board certified in 2017 - 2019CA State PA License
  2. Board certified in 2019 - 2022MT State PA License
  3. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)
  4. Board certified in 2015 - 2025NY State PA License

Source: Dmand AI Professional Profile Data

Sources for Christina F. Siau's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Christina F. Siau

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Christina F. Siau's NPI number?

Christina F. Siau's NPI number is 1245601574. It was assigned on October 13, 2015, and it is active in the NPI Registry.

What does Christina F. Siau specialize in?

Christina F. Siau is a physician assistant in Ithaca, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Christina F. Siau practice?

Christina Siau practices at 101 Dates Drive, Ithaca, NY 14850. Christina Siau's primary practice is Cayuga Medical Center in Ithaca, New York, part of Centralus Health. Dmand AI also links Christina Siau to 1 hospital, 1 community health center and 1 medical group.

What is Christina F. Siau's office phone number?

The practice phone on file for Christina Siau is (607) 274-4401.

What is Christina F. Siau's medical license number?

Christina Siau holds New York license 019037.

Which hospitals is Christina F. Siau affiliated with?

Christina Siau practices at Cayuga Medical Center in Ithaca, New York. Dmand AI links Christina Siau to 1 more hospital.

What medical group is Christina F. Siau part of?

Christina Siau is linked to Cayuga Medical Associates. Dmand AI links Christina Siau to 1 more medical group.

Does Christina F. Siau accept Medicare?

Yes. CMS data shows Christina Siau billed Medicare for 131 services in 2024, and Christina Siau accepts Medicare assignment.

What is Christina F. Siau's MIPS score?

Christina Siau's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Christina F. Siau see?

CMS counts 76 Medicare patients who saw Christina Siau in 2024, with an average age of 75.

Show 3 more questionsShow fewer questions

Is Christina F. Siau board certified?

Yes. Christina Siau is board certified in 2017 - 2019 by the CA State PA License.

What services does Christina F. Siau bill to Medicare?

In 2024, Christina Siau's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and critical care (99292).

How long has Christina F. Siau been practicing?

Christina Siau graduated from medical school in 2015, 11 years ago.

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