Antiviral AgentsCOVID-19COVID-19 Drug Treatment
Dr. William Y. Park, MD
NPI1205949195PAC ID1951321637
- Medicare services, 2024
- 493
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 1,996
- Publications
- 2
- Clinical trials
- 1
- Practice address
- 400 S 43rd St, Renton, WA 98055
- Practice phone
- Call (425) 228-3450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Park's professional email, personal email and mobile number
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Dr. William Y. Park is a pulmonologist in Renton, Washington
Dr. Park practices at Valley Medical Center in Renton, Washington, part of University of Washington.
Dr. Park's NPI, 1205949195, was assigned on August 16, 2006. Dr. Park graduated from University of Michigan Medical School in 1995. Dr. Park holds Washington license MD00036260.
NPI and contact details
- NPI
- 1205949195NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951321637
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (425) 228-3450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Y. Park practices at Valley Medical Center in Renton, Washington
Dr. Park's primary practice is Valley Medical Center, at 400 S 43rd St, Renton, WA 98055 in King County. The practice phone is (425) 228-3450.
- Valley Medical Center400 S 43rd St, Renton, WA 98055 · King CountyPhone(425) 228-3450
Source: Dmand AI Affiliation Data
Dr. William Y. Park is affiliated with 3 sites of care and 2 medical groups
Dr. Park's primary practice is Valley Medical Center in Renton, Washington, part of University of Washington. The medical group on file is Valley Medical Center & Clinics. Dmand AI also links Dr. Park to 2 more group practices and clinics and 1 medical group, each named with a free account.
Valley Medical Center & Clinics2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. ParkSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Y. Park's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Medical Center | 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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Dr. William Y. Park is one of 294 pulmonologists in Washington
Pulmonary disease is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Park is licensed in Washington.
Specialties and state licenses
- Pulmonary disease, WashingtonPrimary
Pulmonologists near Dr. Park
Counts of pulmonologists 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. William Y. Park billed Medicare for 493 services in 2024
CMS data shows 493 Medicare services from Dr. Park across 8 procedure codes in 2024, for 170 Medicare patients. Medicare paid $32,941 for them.
Medicare services, 2024493
Medicare patients170
Paid by Medicare$32,941
Procedure codes8
Dr. Park's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6252024: 26857%
- Other services
- 2023: 262024: 141442%
- Tests and treatments
- 2023: 2522024: 8467%
- Surgery
- 2023: 212024: 0100%
Where Dr. Park's Medicare services took place, 2024
- In an office32867%
- In a facility16533%
Dr. Park compared with the Washington median for pulmonologists, 2024
- Dr. Park
- Washington median
- Medicare services
- 493vs 35539% above
- Medicare patients
- 170vs 1816% below
- Part D claims
- 1,857vs 4923.8 times
Medians across 294 pulmonologists in Washington with Dmand AI profiles that report each measure.
Dr. Park'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. Park and other pulmonologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Y. Park treated 170 Medicare patients in 2024, average age 75
CMS counts 170 Medicare patients who saw Dr. Park in 2024. The largest group is 75 to 84, with 66 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.12, 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. Park's median patient age at 69, with 46% women.
Medicare patients, 2024170
Average age75
Average risk score2.12
Also on Medicaid15%
Dr. Park's Medicare patients by age, 2024
Dr. Park's Medicare patients by sex, 2024
- Women8449%
- Men8651%
Chronic conditions among Dr. Park's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- COPD51%
- Arthritis42%
- Diabetes41%
- Chronic kidney disease37%
- Heart failure34%
- Ischemic heart disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Park'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
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Y. Park wrote 1,996 Medicare Part D claims in 2024
In 2024, Dr. Park wrote 1,996 Medicare Part D claims for 199 patients. 45% of them were for generic drugs. CMS names the drug for 1,857 of them, across 32 drugs with 11 or more claims each, at $1,312,334 in total drug cost. In 2023, CMS named 2,228 claims across 37 drugs.
Part D claims, 20241,996
Drugs named by CMS32
Total drug cost$1.3M
Part D patients199
Dr. Park's Part D claims by kind of drug, 2024
- Generic899 claims45%
- Brand-name1,097 claims55%
Dr. Park'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. Park's Part D claims, 2024
- Antibiotics8%164 of 1,996 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: 2,2282024: 1,85717%
Drugs named by CMS: 32 in 2024, 37 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
Dr. William Y. Park offers telehealth to Medicare patients
Dr. Park accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Park as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Y. Park has 2 publications on record
Dmand AI links 2 papers to Dr. Park in 2021. The most frequent topics are COVID-19 Drug Treatment. Dr. Park's most frequent co-authors are Judith Ann Aberg, MD, Gerard Criner, MD and Manuel Ferreira, MD, PhD.
Papers2
Topics Dr. Park writes about most
- COVID-19 Drug Treatment
Dr. Park's most frequent co-authors
- Judith Ann Aberg, MD1 shared paper
- Gerard Criner, MD1 shared paper
- Manuel Ferreira, MD, PhD1 shared paper
Recent publications by Dr. Park
Antibodies, Monoclonal, HumanizedCOVID-19 Drug Treatment
See who Dr. Park researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Park works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Y. Park has worked on 1 clinical trial
Dmand AI links Dr. Park to 1 clinical trial. Conditions studied include Respiratory Distress Syndrome and COVID-19. Open Payments lists research payments to Dr. Park that name 1 trial.
Conditions in Dr. Park's trials
- Respiratory Distress Syndrome
- COVID-19
Investigators on the most trials with Dr. Park
- Judith Ann Aberg, MD1 shared trial
- Samuel Morris Brown, MD1 shared trial
- Gerard Criner, MD1 shared trial
Recent clinical trials with Dr. Park
$1,518 in research paymentsRespiratory Distress SyndromeCOVID-19Sarilumab
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. William Y. Park received $5,246 in industry payments from 2020 to 2023
CMS Open Payments shows 2 general payments to Dr. Park from 2 drug and device companies from 2020 to 2023. Grants make up the largest share, 95% of the total. Boston Scientific Corporation paid the most, $5,000. It also lists 1 research payment totaling $1,518 in 2022, naming 1 clinical trial.
General payments to Dr. Park by program year, 2020 to 2023
General payments to Dr. Park by kind, 2020 to 2023
$5.2Kin total
- Grants$5,00095%
- Food and beverage$2465%
Companies that paid Dr. Park the most, 2020 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Y. Park graduated from University of Michigan Medical School
Dr. Park graduated from University of Michigan Medical School in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Y. Park'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. William Y. Park
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. William Y. Park's NPI number?
Dr. William Y. Park's NPI number is 1205949195. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Y. Park?
Dr. William Y. Park is a pulmonologist in Renton, Washington. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. William Y. Park practice?
Dr. Park practices at 400 S 43rd St, Renton, WA 98055. Dr. Park's primary practice is Valley Medical Center in Renton, Washington, part of University of Washington. Dmand AI also links Dr. Park to 2 group practices and clinics and 1 medical group.
What is Dr. William Y. Park's office phone number?
The practice phone on file for Dr. Park is (425) 228-3450.
What is Dr. William Y. Park's medical license number?
Dr. Park holds Washington license MD00036260.
Which hospitals is Dr. William Y. Park affiliated with?
Dr. Park practices at Valley Medical Center in Renton, Washington.
What medical group is Dr. William Y. Park part of?
Dr. Park is linked to Valley Medical Center & Clinics. Dmand AI links Dr. Park to 1 more medical group.
Does Dr. William Y. Park accept Medicare?
Yes. CMS data shows Dr. Park billed Medicare for 493 services in 2024, and Dr. Park accepts Medicare assignment.
Does Dr. William Y. Park offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Park as offering telehealth services.
How many Medicare patients does Dr. William Y. Park see?
CMS counts 170 Medicare patients who saw Dr. Park in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. William Y. Park bill to Medicare?
In 2024, Dr. Park's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and critical care (99291).
Where did Dr. William Y. Park go to medical school?
Dr. Park graduated from University of Michigan Medical School in 1995.
What drugs does Dr. William Y. Park prescribe most?
In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Albuterol Sulfate Hfa, Spiriva Respimat and Fluticasone-Salmeterol.
Has Dr. William Y. Park received payments from drug or device companies?
CMS Open Payments shows $5,246 in general payments to Dr. Park from 2 companies from 2020 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. William Y. Park been practicing?
Dr. Park graduated from medical school in 1995, 31 years ago.
Does Dr. William Y. Park do research?
Dmand AI links 2 publications to Dr. Park. Dr. Park has worked on 1 clinical trial.
Who does Dr. William Y. Park publish with?
Dr. Park's most frequent co-authors are Judith Ann Aberg, MD (1 shared paper), Gerard Criner, MD (1 shared paper) and Manuel Ferreira, MD, PhD (1 shared paper).
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