NPPES file of Aug 9, 2026

Kristy Nguyen

Hospitalist Physician · Concord, CA

Kristy Nguyen is a hospitalist physician with a practice address in Concord, California, and NPI 1043773518, issued on Apr 10, 2019. Check the license (California A181007, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043773518
Name
Kristy Nguyen
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A181007 CA
Self-reported in NPPES; status is on the state search
Practice location
2700 Grant St Ste 200, Concord, CA 94520
Phone
(925) 952-2828
Enumerated
Apr 10, 2019
Record last updated
Aug 23, 2022
Medicare enrollment
Enrolled (PECOS I20220904000076); 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 2700 Grant St Ste 200

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

  1. Omar Al-Shuwaykh, M.DInternal Medicine Physician1275967143
  2. Vishidha BalankariHospitalist Physician1275108458
  3. Catherine CadangHospitalist Physician1598342586
  4. Yuriy DasarHospitalist Physician1720546047
  5. Jaspreet Garcha, DOHospitalist Physician1114547833
  6. Sweta Ghodasara, M.D.Hospitalist Physician1851520225

Verify Kristy Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A181007
    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 practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score82.7
  2. Costout of 100 · 30%70.6
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $13.51

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kristy Nguyen$13.51
  2. Specialty average$494.84

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

Bills Medicare through one group practice

  1. John Muir Physician NetworkBrentwood, CA

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

Kristy Nguyen among 3,099 hospitalist physician records in California

Kristy Nguyen is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.

  • NPI issued2019 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2019 · median 2010 among the 2,505 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. John Chartier, M.D.Concord, CA 945201659390649
  2. Sweta Ghodasara, M.D.Concord, CA 945201851520225
  3. Kari Grabowsky, M.D.Concord, CA 945201578530218
  4. Eric Hoenig, M.D.Concord, CA 945201003939422
  5. Shamroze KhanConcord, CA 945201376936856
  6. Kristin Leonard, DOConcord, CA 945201790195089
  7. Thomas Nguyen, M.D.Concord, CA 945201669807699
  8. Jennifer O'Neill-Cha, M.D.Concord, CA 945201033479936

Common questions

What is Kristy Nguyen's NPI number?

Kristy Nguyen's National Provider Identifier (NPI) is 1043773518, issued on Apr 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kristy Nguyen located?

The NPPES record lists a practice address at 2700 Grant St Ste 200, Concord, CA, 94520. Phone: (925) 952-2828. Providers update this record themselves, so call before visiting.

How can I verify Kristy Nguyen's license?

NPPES lists California license number A181007, 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 Kristy Nguyen's MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. 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.