Dr. Seigo Nishida, MD
- Medicare services, 2021
- 240
- Medicare patients, 2024
- 20
- Part D claims, 2021
- 25
- Publications
- 90
- MIPS score, 2024
- 75
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nishida'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. Seigo Nishida is a general surgeon in Valhalla, New York
Dr. Nishida practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Nishida's NPI, 1659337533, was assigned on April 21, 2006. Dr. Nishida graduated from Other in 1986. Dr. Nishida holds New York license 291017.
- NPI
- 1659337533NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395931141
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Seigo Nishida practices at Westchester Medical Center in Valhalla, New York
Dr. Nishida's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Seigo Nishida is affiliated with 1 site of care and 1 medical group
Dr. Nishida's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. The medical group on file is Westchester Medical Center Advanced Physician Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Seigo Nishida's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nishida practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Seigo Nishida is one of 1,604 general surgeons in New York
Surgery is Dr. Nishida's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Nishida's licenses on file in 2 states: New York and Florida.
Specialties and state licenses
- Surgery, New YorkPrimary
- Transplant surgery, Florida
General surgeons near Dr. Nishida
Counts of general surgeons 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. Seigo Nishida billed Medicare for 240 services in 2021
CMS data shows 240 Medicare services from Dr. Nishida across 1 procedure code in 2021, for 20 Medicare patients. Medicare paid $16,209 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nishida's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 2282021: 2405%
Dr. Nishida compared with the New York median for general surgeons, 2021
- Dr. Nishida
- New York median
- Medicare services
- 240vs 15456% above
- Medicare patients
- 20vs 10982% below
- Part D claims
- 25vs 24Close to median
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Nishida's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Nishida?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nishida and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Seigo Nishida treated 20 Medicare patients in 2024, average age 64
CMS counts 20 Medicare patients who saw Dr. Nishida in 2024. 75% of them have high blood pressure, and 65% have diabetes. Their average risk score is 4.32, 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. Nishida's median patient age at 53, with 38% women.
Chronic conditions among Dr. Nishida's Medicare patients, 2024
- High blood pressure75%
- Diabetes65%
- Chronic kidney disease60%
- Ischemic heart disease60%
- Alcohol and drug use disorders55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nishida's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women38%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Seigo Nishida wrote 25 Medicare Part D claims in 2021
In 2021, Dr. Nishida wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,542 in total drug cost. In 2020, CMS named 78 claims across 5 drugs.
Dr. Nishida's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 782021: 2568%
Drugs named by CMS: 2 in 2021, 5 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Seigo Nishida scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Nishida for performance year 2024, reported as part of a group. Dr. Nishida accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
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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Dr. Seigo Nishida has 90 publications on record
Dmand AI links 90 papers to Dr. Nishida, published from 2011 to 2025. 2022 was the busiest year, with 12. The most frequent topics are Liver Transplantation, Graft Survival and Tissue Donors. Dr. Nishida has published most often in Transplant Proc. Dr. Nishida's most frequent co-authors are Andreas G. Tzakis, MD, Abhay Dhand, MD and Gennaro Selvaggi, MD.
Dr. Nishida's papers by year, 2014 to 2025
Topics Dr. Nishida writes about most
- Liver Transplantation
- Graft Survival
- Tissue Donors
- Graft Rejection
- COVID-19
- Tissue and Organ Procurement
- Postoperative Complications
- Liver
Dr. Nishida's most frequent co-authors
- Andreas G. Tzakis, MD39 shared papers
- Abhay Dhand, MD28 shared papers
- Gennaro Selvaggi, MD26 shared papers
Recent publications by Dr. Nishida
See who Dr. Nishida researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nishida works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Seigo Nishida received $2,040 in industry payments from 2016 to 2025
CMS Open Payments shows 32 general payments to Dr. Nishida from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $370.
General payments to Dr. Nishida by program year, 2016 to 2025
Companies that paid Dr. Nishida 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. Seigo Nishida graduated from Other
Dr. Nishida graduated from Other in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Seigo Nishida'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Seigo Nishida
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. Seigo Nishida's NPI number?
Dr. Seigo Nishida's NPI number is 1659337533. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Seigo Nishida?
Dr. Seigo Nishida is a general surgeon in Valhalla, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Seigo Nishida practice?
Dr. Nishida practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Nishida's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
What is Dr. Seigo Nishida's office phone number?
The practice phone on file for Dr. Nishida is (914) 493-7000.
What is Dr. Seigo Nishida's medical license number?
Dr. Nishida holds New York license 291017, one of the licenses on file in 2 states.
Which states has Dr. Seigo Nishida been licensed in?
Dmand AI has state licenses on file for Dr. Nishida in New York and Florida.
Which hospitals is Dr. Seigo Nishida affiliated with?
Dr. Nishida practices at Westchester Medical Center in Valhalla, New York.
What medical group is Dr. Seigo Nishida part of?
Dr. Nishida is linked to Westchester Medical Center Advanced Physician Services.
Does Dr. Seigo Nishida accept Medicare?
Yes. CMS data shows Dr. Nishida billed Medicare for 240 services in 2021, and Dr. Nishida accepts Medicare assignment.
What is Dr. Seigo Nishida's MIPS score?
Dr. Nishida's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Seigo Nishida see?
CMS counts 20 Medicare patients who saw Dr. Nishida in 2024, with an average age of 64.
What services does Dr. Seigo Nishida bill to Medicare?
In 2021, Dr. Nishida's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Seigo Nishida go to medical school?
Dr. Nishida graduated from Other in 1986.
What drugs does Dr. Seigo Nishida prescribe most?
In 2021 Medicare Part D data, Dr. Nishida's most prescribed drugs by claims were Tacrolimus and Mycophenolate Mofetil.
Has Dr. Seigo Nishida received payments from drug or device companies?
CMS Open Payments shows $2,040 in general payments to Dr. Nishida from 15 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Seigo Nishida been practicing?
Dr. Nishida graduated from medical school in 1986, 40 years ago.
Does Dr. Seigo Nishida do research?
Dmand AI links 90 publications to Dr. Nishida, published from 2011 to 2025.
Who does Dr. Seigo Nishida publish with?
Dr. Nishida's most frequent co-authors are Andreas G. Tzakis, MD (39 shared papers), Abhay Dhand, MD (28 shared papers) and Gennaro Selvaggi, MD (26 shared papers).
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