NPPES file of Aug 9, 2026

William Ensley, M.D

Hospitalist Physician · Newport Beach, CA

William Ensley, M.D is a hospitalist physician with a practice address in Newport Beach, California, and NPI 1376587709, issued on Jun 15, 2006. Check the license (California A84832, 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
1376587709
Name
William Ensley
Credential
M.D
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A84832 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Hoag Dr., Newport Beach, CA 92663
Phone
(949) 574-4694
Enumerated
Jun 15, 2006
Record last updated
May 30, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(949) 574-4680
Medicaid ID
1376587709 CA
Medicare enrollment
Enrolled (PECOS I20050419001145); accepts Medicare assignment
Medical or professional school
New York Medical College, 2002
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 1 Hoag Dr.

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

  1. Patty Huang, M.DHospitalist Physician1528003514

Verify William Ensley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84832
    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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2.9 times the Medicare Part D claims of the average hospitalist physician in 2024

1,518 Medicare Part D claims for 200 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. William Ensley1,518
  2. Specialty average521

Most prescribed

  1. Atorvastatin Calcium63 claims
  2. Clopidogrel46 claims
  3. Metoprolol Tartrate42 claims
  4. Furosemide41 claims
  5. Hydralazine Hcl39 claims
  6. Eliquis37 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 44 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score41.1
  2. Costout of 100 · 30%56.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Bills Medicare through one group practice

  1. Pacific Hospitalist Associates A Medical CorporationNewport Beach, CA

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

William Ensley among 3,099 hospitalist physician records in California

William Ensley, M.D is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 73% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2002 · median 2010 among the 2,505 with a school on file
  • Record last updated2017 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 hospitalist physician records list a practice address in Newport Beach

They are 63 of the 4,414 NPPES records with a practice address in Newport Beach, and 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Hany Bashandy, MDNewport Beach, CA 926631750302378
  2. Thanhmy Bui, MDNewport Beach, CA 926631396842498
  3. Weston Chandler, M.D.Newport Beach, CA 926631053350397
  4. Michael Eilbert, M.DNewport Beach, CA 926631487686069
  5. Patty Huang, M.DNewport Beach, CA 926631528003514
  6. Joel Katz, M.DNewport Beach, CA 926631881639052
  7. Janie Liao, M.D.Newport Beach, CA 926631144292335
  8. Richard Meis, M.D.Newport Beach, CA 926631255375697

Common questions

What is William Ensley, M.D's NPI number?

William Ensley, M.D's National Provider Identifier (NPI) is 1376587709, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Ensley, M.D located?

The NPPES record lists a practice address at 1 Hoag Dr., Newport Beach, CA, 92663. Phone: (949) 574-4694. Providers update this record themselves, so call before visiting.

How can I verify William Ensley, M.D's license?

NPPES lists California license number A84832, 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 Ensley, M.D prescribe under Medicare Part D?

In 2024, William Ensley, M.D had 1,518 Medicare Part D claims for 200 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is William Ensley, M.D's MIPS final score?

The 2023 MIPS final score is 44 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.