NPPES file of Aug 9, 2026

Glenn I. Powers, M.D.

Anesthesiology Physician · Los Angeles, CA

Glenn I. Powers, M.D. is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1881684926, issued on Oct 27, 2005. Check the license (California G74509, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881684926
Name
Glenn I. Powers
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G74509 CA
Self-reported in NPPES; status is on the state search
Practice location
757 Westwood Plz Ste 3325, Los Angeles, CA 90095
Phone
(310) 267-8626
Enumerated
Oct 27, 2005
Record last updated
Dec 2, 2025
Fax
(310) 267-8679
Medicaid IDs
1077148 WA
1881684926 WA
Medicare enrollment
Enrolled (PECOS I20240520002893); accepts Medicare assignment
Medical or professional school
Morehouse School Of Medicine, 1988
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 757 Westwood Plz Ste 3325

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

  1. Ashley Adams, MDAnesthesiology Physician1568098580
  2. Meron Admassu, RNAnesthesiology Physician1962168435
  3. Christopher AlbaStudent in an Organized Health Care Education/Training Program1568301737
  4. Golnaz Alemzadeh, M.D.Anesthesiology Physician1659687713
  5. Brannon Altenhofen, MDAnesthesiology Physician1780180703
  6. Shelly Anderson, CRNACertified Registered Nurse Anesthetist1033397120

Verify Glenn I. Powers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G74509
    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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The MIPS final score for 2023 (Medicare payment program): 94.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score85.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Regents OF The University OF CaliforniaSanta Monica, CA
  2. The Association OF University PhysiciansSeattle, WA

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

Glenn I. Powers among 7,571 anesthesiology physician records in California

Glenn I. Powers, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1988 · median 2006 among the 4,868 with a school on file
  • Record last updated2025 · 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. Cynthia Antin, MDLos Angeles, CA 900951467491365
  2. Ihab Ayad, MDLos Angeles, CA 900951699714543
  3. Judith Brill, MDLos Angeles, CA 900951134168040
  4. Kwok Chan, MDLos Angeles, CA 900951528033545
  5. Daniel Cole, M.D.Los Angeles, CA 900951285618157
  6. Jeanette Derdemezi, MDLos Angeles, CA 900951881643534
  7. Jonathan Ho, MDLos Angeles, CA 900951053369397
  8. Joe Hong, MDLos Angeles, CA 900951972551356

Common questions

What is Glenn I. Powers, M.D.'s NPI number?

Glenn I. Powers, M.D.'s National Provider Identifier (NPI) is 1881684926, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Glenn I. Powers, M.D. located?

The NPPES record lists a practice address at 757 Westwood Plz Ste 3325, Los Angeles, CA, 90095. Phone: (310) 267-8626. Providers update this record themselves, so call before visiting.

How can I verify Glenn I. Powers, M.D.'s license?

NPPES lists California license number G74509, 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.

What is Glenn I. Powers, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.3 of 100. 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.