Registry data as of Aug 27, 2026

Nicholas Saguan, MD

Vascular Surgery Physician · Whittier, CA

Nicholas Saguan, MD is a vascular surgery physician with a practice address in Whittier, California, and NPI 1316109465, issued on Jun 30, 2008. 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
1316109465
Name
Nicholas Saguan
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
Practice location
12462 Putnam St Ste 500, Whittier, CA 90602
Phone
(562) 789-5960
Enumerated
Jun 30, 2008
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 12462 Putnam St Ste 500

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

  1. Jonathan Boyd, M.D.Otolaryngology Physician1861641953
  2. Justin Braverman, MDSurgery Physician1376699504
  3. Rayan Eshaghian, M.D.Surgery Physician1568729184
  4. Shawn Fu, MDSurgery Physician1609196419
  5. Richard Hoang, P.A.-CSurgical Physician Assistant1164486296
  6. Samuel Kim, M.D.Surgery Physician1922354828

Verify Nicholas Saguan 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 →

91% fewer Medicare Part D claims than the average vascular surgery physician in 2024

20 Medicare Part D claims for 13 beneficiaries, against an average of 211 among the 3,020 providers of this specialty who prescribed in Part D.

  1. Nicholas Saguan20
  2. Specialty average211

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 Medicare quality score for 2023: 96.5 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 score80.3
  2. Costout of 100 · 30%
  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).

Industry payments in 2024: $558.19

7 payments, mostly food and beverage; the largest payer was W. L. Gore & Associates, Inc.. The 3,067 providers of this specialty with any payment received $6,147.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Saguan$558.19
  2. Specialty average$6,147.33

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

One hospital or facility affiliation

  1. Pih Health PhysiciansDowney, 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.

Vascular Surgery Physician providers in California

There are 463 vascular surgery physician records in California.

Other vascular surgery physician records in California

  1. Arad Abadi, MDLancaster, CA1730673724
  2. Andrew Abi-Chaker, M.D.Sherman Oaks, CA1528488467
  3. Ahmed Abou-Zamzam, M.D.Loma Linda, CA1558306795
  4. Joseph Abu-Dalu, MDLos Angeles, CA1821157587
  5. Queen Abure, MDSan Francisco, CA1710772074
  6. Riad Adoumie, M.D.Torrance, CA1467465930
  7. Massoud Agahi, M.D.Beverly Hills, CA1952367070
  8. Rodolfo Agbunag, MDModesto, CA1316995111
  9. Hardeep Ahluwalia, M.D.Los Altos, CA1780885574
  10. Fnu Ahmed Naiem, MDSan Francisco, CA1033952353

Common questions

What is Nicholas Saguan, MD's NPI number?

Nicholas Saguan, MD's National Provider Identifier (NPI) is 1316109465, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Saguan, MD located?

The NPPES record lists a practice address at 12462 Putnam St Ste 500, Whittier, CA, 90602. Phone: (562) 789-5960. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Saguan, MD'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 Nicholas Saguan, MD prescribe under Medicare Part D?

In 2024, Nicholas Saguan, MD had 20 Medicare Part D claims for 13 beneficiaries; the average among vascular surgery physician prescribers was 211. Part D covers Medicare prescriptions only.

What is Nicholas Saguan, MD's Medicare quality score?

The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.