NPPES file of Aug 9, 2026

Myngoc Thi Nguyen, MD

Allergy & Immunology Physician · Berkeley, CA

Myngoc Thi Nguyen, MD is an allergy & immunology physician with a practice address in Berkeley, California, and NPI 1194803965, issued on Nov 1, 2006. Check the license (California G50040, 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
1194803965
Name
Myngoc Thi Nguyen
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
G50040 CA
Self-reported in NPPES; status is on the state search
Practice location
3010 Colby St Ste 118, Berkeley, CA 94705
Phone
(510) 644-2316
Enumerated
Nov 1, 2006
Record last updated
Dec 2, 2024
Fax
(510) 704-8346
Medicaid ID
00G500400 CA
Medicare enrollment
Enrolled (PECOS I20110202000102); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1981
Telehealth
Offers telehealth (CMS)
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 3010 Colby St Ste 118

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

  1. Masoud Chopan, DOSurgery Physician1659891141
  2. Katherine Gilbert, M.D.Allergy & Immunology Physician1871814467

Verify Myngoc Thi 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 G50040
    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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30% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

515 Medicare Part D claims for 169 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Myngoc Nguyen515
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl173 claims
  2. Montelukast Sodium65 claims
  3. Ipratropium Bromide35 claims
  4. Wixela Inhub29 claims
  5. Xolair24 claims
  6. Spiriva Respimat15 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 69.9 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 score80.2
  2. Costout of 100 · 30%21.2
  3. Promoting interoperabilityout of 100 · 25%98.0
  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: $1,057.12

35 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Myngoc Nguyen$1,057.12
  2. Specialty average$8,321.81

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. Allergy And Asthma Medical Group OF The Bay Area IncWalnut Creek, CA

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

Myngoc Thi Nguyen among 444 allergy & immunology physician records in California

Myngoc Thi Nguyen, MD is one of 444 allergy & immunology physician records with a practice address in California. 79% 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, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1981 · median 2004 among the 281 with a school on file
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in California

There are 444 allergy & immunology physician records in California.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Katherine Gilbert, M.D.Berkeley, CA 947051871814467
  2. Nataliya Kushnir, M.D.Berkeley, CA 947051689875692
  3. James Nickelsen, M.D.Berkeley, CA 947051891772000
  4. Chih-Hsin Hsu, M.D.Oakland, CA 946111629480389
  5. Jimmy Ko, MDOakland, CA 946111780624791
  6. Debby Lin, MDOakland, CA 946111952340325
  7. John Hoehne, MDRichmond, CA 948011942389085
  8. Michael Lee, DORichmond, CA 948011609370014

Common questions

What is Myngoc Thi Nguyen, MD's NPI number?

Myngoc Thi Nguyen, MD's National Provider Identifier (NPI) is 1194803965, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Myngoc Thi Nguyen, MD located?

The NPPES record lists a practice address at 3010 Colby St Ste 118, Berkeley, CA, 94705. Phone: (510) 644-2316. Providers update this record themselves, so call before visiting.

How can I verify Myngoc Thi Nguyen, MD's license?

NPPES lists California license number G50040, 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 Myngoc Thi Nguyen, MD prescribe under Medicare Part D?

In 2024, Myngoc Thi Nguyen, MD had 515 Medicare Part D claims for 169 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Myngoc Thi Nguyen, MD's MIPS final score?

The 2023 MIPS final score is 69.9 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.