Dr. Joanne C. Siu-Post, MD
- Medicare services, 2024
- 9,592
- Medicare patients, 2024
- 678
- Part D claims, 2024
- 1,043
- Hospital affiliations
- 4
- Industry payments
- $5,717
- Practice address
- 501 Butler Farm Road, Suite A, Hampton, VA 23666
- Practice phone
- Call (757) 766-1921
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Butler Farm Dialysis
Dialysis Center - Independent · Hampton, Virginia
Find Dr. Siu-Post'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.
Dr. Joanne C. Siu-Post is a nephrologist in Hampton, Virginia
Dr. Siu-Post practices at DaVita Butler Farm Dialysis in Hampton, Virginia.
Dr. Siu-Post's NPI, 1184720823, was assigned on September 16, 2006. Dr. Siu-Post graduated from Georgetown University School of Medicine in 1996. Dr. Siu-Post holds Virginia license 0101232897.
- NPI
- 1184720823NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567505357
- NPI enumeration date
- September 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 766-1921
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanne C. Siu-Post practices at DaVita Butler Farm Dialysis in Hampton, Virginia
Dr. Siu-Post's primary practice is DaVita Butler Farm Dialysis, at 501 Butler Farm Road, Suite A, Hampton, VA 23666 in Hampton City. The practice phone is (757) 766-1921.
- DaVita Butler Farm Dialysis501 Butler Farm Road, Suite A, Hampton, VA 23666 · Hampton CityPhone(757) 766-1921
Source: Dmand AI Affiliation Data
Dr. Joanne C. Siu-Post is affiliated with 8 sites of care and 1 medical group
Dr. Siu-Post's primary practice is DaVita Butler Farm Dialysis in Hampton, Virginia. Dr. Siu-Post is also affiliated with Sentara CarePlex Hospital. The medical group on file is Peninsula Kidney Associates. Dmand AI also links Dr. Siu-Post to 3 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joanne C. Siu-Post's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siu-Post practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Butler Farm Dialysis | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joanne C. Siu-Post is one of 289 nephrologists in Virginia
Nephrology is Dr. Siu-Post's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Siu-Post is licensed in Virginia.
Specialties and state licenses
- Nephrology, VirginiaPrimary
Nephrologists near Dr. Siu-Post
Counts of nephrologists 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
Dr. Joanne C. Siu-Post billed Medicare for 9,592 services in 2024
CMS data shows 9,592 Medicare services from Dr. Siu-Post across 20 procedure codes in 2024, for 678 Medicare patients. Medicare paid $181,797 for them.
Dr. Siu-Post's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3,2042024: 7,747142%
- Office and hospital visits
- 2023: 9312024: 1,10919%
- Tests and treatments
- 2023: 6912024: 56718%
- Surgery
- 2023: 2012024: 9752%
- Lab and pathology
- 2023: 1382024: 7248%
Where Dr. Siu-Post's Medicare services took place, 2024
- In an office8,97394%
- In a facility6196%
Dr. Siu-Post compared with the Virginia median for nephrologists, 2024
- Dr. Siu-Post
- Virginia median
- Medicare services
- 9,592vs 1,2277.8 times
- Medicare patients
- 678vs 38775% above
- Part D claims
- 809vs 7705% above
Medians across 276 nephrologists in Virginia with Dmand AI profiles that report each measure.
Dr. Siu-Post'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siu-Post and other nephrologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joanne C. Siu-Post treated 678 Medicare patients in 2024, average age 74
CMS counts 678 Medicare patients who saw Dr. Siu-Post in 2024. The largest group is 75 to 84, with 238 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 4.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Siu-Post's median patient age at 69, with 52% women.
Dr. Siu-Post's Medicare patients by age, 2024
Dr. Siu-Post's Medicare patients by sex, 2024
- Women33950%
- Men33950%
Chronic conditions among Dr. Siu-Post's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Arthritis50%
- Heart failure49%
- Ischemic heart disease47%
- Atrial fibrillation27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siu-Post's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joanne C. Siu-Post wrote 1,043 Medicare Part D claims in 2024
In 2024, Dr. Siu-Post wrote 1,043 Medicare Part D claims for 259 patients. 87% of them were for generic drugs. CMS names the drug for 809 of them, across 24 drugs with 11 or more claims each, at $97,245 in total drug cost. In 2023, CMS named 651 claims across 21 drugs.
Dr. Siu-Post's Part D claims by kind of drug, 2024
- Generic906 claims87%
- Brand-name and other137 claims13%
Dr. Siu-Post'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 Dr. Siu-Post's Part D claims, 2024
- Antibiotics2%17 of 1,043 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6512024: 80924%
Drugs named by CMS: 24 in 2024, 21 in 2023.
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 Dr. Joanne C. Siu-Post takes part in Medicare
Dr. Siu-Post 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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Dr. Joanne C. Siu-Post received $5,717 in industry payments from 2016 to 2025
CMS Open Payments shows 285 general payments to Dr. Siu-Post from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Amgen Inc. paid the most, $637.
General payments to Dr. Siu-Post by program year, 2016 to 2025
General payments to Dr. Siu-Post by kind, 2016 to 2025
- Food and beverage$5,36994%
- Education$3486%
Companies that paid Dr. Siu-Post the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joanne C. Siu-Post graduated from Georgetown University School of Medicine
Dr. Siu-Post graduated from Georgetown University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joanne C. Siu-Post'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 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 Dr. Joanne C. Siu-Post
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joanne C. Siu-Post's NPI number?
Dr. Joanne C. Siu-Post's NPI number is 1184720823. It was assigned on September 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanne C. Siu-Post?
Dr. Joanne C. Siu-Post is a nephrologist in Hampton, Virginia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Joanne C. Siu-Post practice?
Dr. Siu-Post practices at 501 Butler Farm Road, Suite A, Hampton, VA 23666. Dr. Siu-Post's primary practice is DaVita Butler Farm Dialysis in Hampton, Virginia. Dmand AI also links Dr. Siu-Post to 3 hospitals, 2 dialysis centers and 1 group practice or clinic.
What is Dr. Joanne C. Siu-Post's office phone number?
The practice phone on file for Dr. Siu-Post is (757) 766-1921.
What is Dr. Joanne C. Siu-Post's medical license number?
Dr. Siu-Post holds Virginia license 0101232897.
Which hospitals is Dr. Joanne C. Siu-Post affiliated with?
Dr. Siu-Post is affiliated with Sentara CarePlex Hospital. Dmand AI links Dr. Siu-Post to 3 more hospitals.
What medical group is Dr. Joanne C. Siu-Post part of?
Dr. Siu-Post is linked to Peninsula Kidney Associates.
Does Dr. Joanne C. Siu-Post accept Medicare?
Yes. CMS data shows Dr. Siu-Post billed Medicare for 9,592 services in 2024, and Dr. Siu-Post accepts Medicare assignment.
How many Medicare patients does Dr. Joanne C. Siu-Post see?
CMS counts 678 Medicare patients who saw Dr. Siu-Post in 2024, with an average age of 74.
What services does Dr. Joanne C. Siu-Post bill to Medicare?
In 2024, Dr. Siu-Post's most billed Medicare services were medicare temporary code (Q0138), medicare temporary code (Q5106) and medicare service (G2211).
Show 4 more questionsShow fewer questions
Where did Dr. Joanne C. Siu-Post go to medical school?
Dr. Siu-Post graduated from Georgetown University School of Medicine in 1996.
What drugs does Dr. Joanne C. Siu-Post prescribe most?
In 2024 Medicare Part D data, Dr. Siu-Post's most prescribed drugs by claims were Losartan Potassium, Furosemide and Calcitriol.
Has Dr. Joanne C. Siu-Post received payments from drug or device companies?
CMS Open Payments shows $5,717 in general payments to Dr. Siu-Post from 35 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Joanne C. Siu-Post been practicing?
Dr. Siu-Post graduated from medical school in 1996, 30 years ago.
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