Registry data as of Aug 27, 2026

Glenn Arnoco, FNP

Family Medicine Physician · Downey, CA

Glenn Arnoco, FNP is a family medicine physician with a practice address in Downey, California, and NPI 1629633391, issued on May 7, 2019. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1629633391
Name
Glenn Arnoco
Credential
FNP
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
9449 Imperial Hwy, Downey, CA 90242
Phone
(562) 657-2810
Enumerated
May 7, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9449 Imperial Hwy

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

  1. Gary AfferinoPharmacist1437696267
  2. Stephanie Angarita, M.D.Surgery Physician1003259219
  3. Melanie Aoki, PH.D.Cognitive & Behavioral Psychologist1588865489
  4. Shant Ashdjian, M.D.Obstetrics & Gynecology Physician1841502457
  5. Sana Ashraf, MDPediatrics Physician1316177215
  6. Robert Bajnrauh, MDPlastic Surgery Physician1346456183

Verify Glenn Arnoco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

45% fewer Medicare Part D claims than the average family medicine physician in 2024

1,945 Medicare Part D claims for 1,012 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.

  1. Glenn Arnoco1,945
  2. Specialty average3,519

Most prescribed

  1. Alendronate Sodium1,797 claims
  2. Ibandronate Sodium94 claims
  3. Forteo25 claims
  4. Nano 2nd Gen Pen Needle13 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.

One hospital or facility affiliation

  1. Southern California Permanente Medical GroupBellflower, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

62 family medicine physician records list a Downey practice address

They are 62 of the 3,607 NPPES records with a Downey practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Glenn Arnoco, FNP's NPI number?

Glenn Arnoco, FNP's National Provider Identifier (NPI) is 1629633391, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Glenn Arnoco, FNP located?

The NPPES record lists a practice address at 9449 Imperial Hwy, Downey, CA, 90242. Phone: (562) 657-2810. Providers update this record themselves, so call before visiting.

How can I verify Glenn Arnoco, FNP's license?

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 Glenn Arnoco, FNP prescribe under Medicare Part D?

In 2024, Glenn Arnoco, FNP had 1,945 Medicare Part D claims for 1,012 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.