NPPES file of Aug 9, 2026

Lino J. Deguzman, M.D.

Gastroenterology Physician · Irvine, CA

Lino J. Deguzman, M.D. is a gastroenterology physician with a practice address in Irvine, California, and NPI 1346324720, issued on Oct 24, 2006. Check the license (California A46594, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346324720
Name
Lino J. Deguzman
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A46594 CA
Self-reported in NPPES; status is on the state search
Practice location
16100 Sand Canyon Ave, Irvine, CA 92618
Phone
(949) 727-1232
Enumerated
Oct 24, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(949) 727-9615
Medicare enrollment
Enrolled (PECOS I20081030000301); accepts Medicare assignment
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 16100 Sand Canyon Ave

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

  1. Ashraf Abdelmalek, DDSGeneral Practice Dentistry1437250214
  2. Steven Bounds, D.D.S.Periodontics1184643538
  3. Charles BrownDentist1841342003
  4. Sepideh Caviar, DMDGeneral Practice Dentistry1790858488
  5. Edward Chin, D.P.M.Podiatrist1932176609
  6. Alan N Elias, MDEndocrinology, Diabetes & Metabolism Physician1154401297

Verify Lino J. Deguzman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A46594
    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

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2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,838 Medicare Part D claims for 631 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Lino Deguzman1,838
  2. Specialty average811

Most prescribed

  1. Omeprazole538 claims
  2. Pantoprazole Sodium370 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf129 claims
  4. Plenvu108 claims
  5. Clenpiq90 claims
  6. Famotidine90 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.

Industry payments in 2024: $3,481.53

142 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lino Deguzman$3,481.53
  2. Specialty average$5,015.95

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

Lino J. Deguzman among 2,140 gastroenterology physician records in California

Lino J. Deguzman, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1986 · median 2002 among the 1,538 with a school on file
  • Record last updated2007 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ardalan Babaknia, MDIrvine, CA 926181366527491
  2. Shahrooz BemanianIrvine, CA 926181629123070
  3. You-Jen Chou, MDIrvine, CA 926181104070887
  4. John Hoefs, MDIrvine, CA 926181154425742
  5. David Kaufman, D.O.Irvine, CA 926181508893363
  6. Herbert Lee, MDIrvine, CA 926181740206689
  7. Paul Lee, MDIrvine, CA 926181760531693
  8. Hooshang Meshkinpour, M.D.Irvine, CA 926181053386243

Common questions

What is Lino J. Deguzman, M.D.'s NPI number?

Lino J. Deguzman, M.D.'s National Provider Identifier (NPI) is 1346324720, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lino J. Deguzman, M.D. located?

The NPPES record lists a practice address at 16100 Sand Canyon Ave, Irvine, CA, 92618. Phone: (949) 727-1232. Providers update this record themselves, so call before visiting.

How can I verify Lino J. Deguzman, M.D.'s license?

NPPES lists California license number A46594, 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 Lino J. Deguzman, M.D. prescribe under Medicare Part D?

In 2024, Lino J. Deguzman, M.D. had 1,838 Medicare Part D claims for 631 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.