Registry data as of Aug 27, 2026

Dai Nghiem, MD

Surgery Physician · Sacramento, CA

Dai Nghiem, MD is a surgery physician with a practice address in Sacramento, California, and NPI 1285635672, issued on Aug 9, 2005. 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
1285635672
Name
Dai Nghiem
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
Practice location
2315 Stockton Blvd # 2021, Sacramento, CA 95817
Phone
(916) 734-7882
Enumerated
Aug 9, 2005
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 2315 Stockton Blvd # 2021

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

  1. Maribel Ilejay, FNPFamily Nurse Practitioner1164862850

Verify Dai Nghiem 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 →

11.6 times the Medicare Part D claims of the average surgery physician in 2024

2,021 Medicare Part D claims for 339 beneficiaries, against an average of 174 among the 21,427 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Dai Nghiem2,021
  2. Specialty average174

Most prescribed

  1. Amlodipine Besylate177 claims
  2. Atorvastatin Calcium127 claims
  3. Metformin Hcl93 claims
  4. Tamsulosin Hcl80 claims
  5. Losartan Potassium78 claims
  6. Gabapentin70 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: $900.81

15 payments, mostly food and beverage; the largest payer was Phathom Pharmaceuticals, Inc.. The 19,002 providers of this specialty with any payment received $3,758.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dai Nghiem$900.81
  2. Specialty average$3,758.86

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. Dao Medical Group IncGarden Grove, 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.

Surgery Physician providers in California

There are 3,381 surgery physician records in California.

Other surgery physician records in California

  1. Oliver Aalami, M.D.Stanford, CA1225229024
  2. Shahram Aarabi, MDOakland, CA1972700458
  3. Miriam Abaunza, M.D.Los Angeles, CA1538470778
  4. Benjamin Abbadessa, M.D.San Diego, CA1255593612
  5. Abdul-Rahman Abdel-ReheemLos Angeles, CA1831770437
  6. Sandy Abdelkedous, MDFresno, CA1306093109
  7. Hana Abdirahman, MDTemecula, CA1265288112
  8. Sherwin Abdoli, MDPetaluma, CA1508386442
  9. Michael Abdulian, MDGlendale, CA1649469628
  10. Mhdshafic Abdulkarim, MDOrange, CA1750174249

Common questions

What is Dai Nghiem, MD's NPI number?

Dai Nghiem, MD's National Provider Identifier (NPI) is 1285635672, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dai Nghiem, MD located?

The NPPES record lists a practice address at 2315 Stockton Blvd # 2021, Sacramento, CA, 95817. Phone: (916) 734-7882. Providers update this record themselves, so call before visiting.

How can I verify Dai Nghiem, 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 Dai Nghiem, MD prescribe under Medicare Part D?

In 2024, Dai Nghiem, MD had 2,021 Medicare Part D claims for 339 beneficiaries; the average among surgery physician prescribers was 174. 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.