NPPES file of Aug 9, 2026

William Park, MD

Anesthesiology Physician · Woodland Hills, CA

William Park, MD is an anesthesiology physician with a practice address in Woodland Hills, California, and NPI 1083061154, issued on May 18, 2016. Check the license (California A186058, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083061154
Name
William Park
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
A186058 CA
21206 NV
Self-reported in NPPES; status is on the state search
Practice location
5601 DE Soto Ave, Woodland Hills, CA 91367
Phone
(833) 574-2273
Enumerated
May 18, 2016
Record last updated
May 13, 2026
Medicare enrollment
Enrolled (PECOS I20260106002136); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5601 DE Soto Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Houry Abajian, PHARM.D.Pharmacist1235297383
  2. Cecille Abeleda, RCP, RRTRegistered Respiratory Therapist1316424872
  3. Sunitha AbrahamCertified Respiratory Therapist1114409679
  4. Arineh AbramPharmacist1760108401
  5. Stephano Abusleme, DOStudent in an Organized Health Care Education/Training Program1538747639
  6. Ani Adamian, PHARM DPharmacist1043841851

Verify William Park in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A186058
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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72% more Medicare Part D claims than the average anesthesiology physician in 2024

690 Medicare Part D claims for 318 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 400 claims were for opioids.

  1. William Park690
  2. Specialty average402

Most prescribed

  1. Oxycodone Hcl134 claims
  2. Hydrocodone-Acetaminophen120 claims
  3. Gabapentin63 claims
  4. Oxycodone-Acetaminophen46 claims
  5. Methylprednisolone32 claims
  6. Tramadol Hcl32 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $121.59

5 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Park$121.59
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationElgin, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Park among 7,571 anesthesiology physician records in California

William Park, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2016 · median 2006 among the 4,868 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Kathy Chang, M.D.Woodland Hills, CA 913671245429778
  2. Balbir Dogra, MDWoodland Hills, CA 913671659429454
  3. Carlos Gelpi, MDWoodland Hills, CA 913671447308259
  4. Kongyuan He, M.D.Woodland Hills, CA 913671427072909
  5. Christopher Jamora, M.D.Woodland Hills, CA 913671902122757
  6. Mamata Leach, MDWoodland Hills, CA 913671891843694
  7. Elizabeth Lee, MDWoodland Hills, CA 913671215052725
  8. Vasantha Nagasandra, MDWoodland Hills, CA 913671801955562

Common questions

What is William Park, MD's NPI number?

William Park, MD's National Provider Identifier (NPI) is 1083061154, issued on May 18, 2016. An NPI identifies a provider in billing; it is not a license.

Where is William Park, MD located?

The NPPES record lists a practice address at 5601 DE Soto Ave, Woodland Hills, CA, 91367. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

How can I verify William Park, MD's license?

NPPES lists California license number A186058, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Park, MD prescribe under Medicare Part D?

In 2024, William Park, MD had 690 Medicare Part D claims for 318 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.

What is William Park, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.