NPPES file of Aug 9, 2026

Mai Uyen Thi Do, FNP-C

Registered Nurse · Santa Ana, CA

Mai Uyen Thi Do, FNP-C is a registered nurse with a practice address in Santa Ana, California, and NPI 1447878087, issued on Jul 9, 2020. Check the license (California NP95017437, as entered in NPPES) with the California board that licenses this profession; 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
1447878087
Name
Mai Uyen Thi Do
Credential
FNP-C
Primary taxonomy
Registered Nurse 163W00000X
License numbers
NP95017437 CA
541049 CA
Self-reported in NPPES; status is on the state search
Practice location
2414 S Fairview St, Santa Ana, CA 92704
Phone
(714) 641-0121
Enumerated
Jul 9, 2020
Record last updated
Oct 7, 2021 (not updated in 5 years: call before relying on the address or phone)
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 2414 S Fairview St

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

  1. Lisa De La Pena, NPPrimary Care Nurse Practitioner1104745264
  2. Teresa DoDentist1457768442
  3. Denton Garo, POLYSOMNOGRAPHY TECHOther Specialist/Technologist1306877337
  4. Vanessa GrichineOptometrist1205288370
  5. Gauri Kumar, DDSGeneral Practice Dentistry1841387651
  6. Mark Monroe, M.D.Family Medicine Physician1740244532

Verify Mai Uyen Thi Do in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license NP95017437
    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
Find 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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91% fewer Medicare Part D claims than the average registered nurse in 2024

63 Medicare Part D claims for 20 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Mai Uyen Do63
  2. Specialty average678

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: $1,099.19

17 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, Inc. The 1,191 providers of this specialty with any payment received $505.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mai Uyen Do$1,099.19
  2. Specialty average$505.98

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

Mai Uyen Thi Do among 13,506 registered nurse records in California

Mai Uyen Thi Do, FNP-C is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 48% of them.

  • NPI issued2020 · 48% of these records are older, 47% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

281 registered nurse records list a practice address in Santa Ana

They are 281 of the 8,904 NPPES records with a practice address in Santa Ana, and 13,506 registered nurse records in California.

The 8 registered nurse records with the nearest ZIP codes

  1. Chastity Brannan, RNSanta Ana, CA 927041437901972
  2. Vanessa Cordova, RNSanta Ana, CA 927041184481202
  3. Maidellin Diaz, RNSanta Ana, CA 927041184481210
  4. Mayra FermanSanta Ana, CA 927041386292563
  5. Andrea Foster, RN,MSN, CSNSanta Ana, CA 927041932768454
  6. Barbara Garcia EstopierSana Ana, CA 927041780407213
  7. Michael Gonzales, CRNA, BSNSanta Ana, CA 927041831421759
  8. Janelle GonzalesSanta Ana, CA 927041922846229

Common questions

What is Mai Uyen Thi Do, FNP-C's NPI number?

Mai Uyen Thi Do, FNP-C's National Provider Identifier (NPI) is 1447878087, issued on Jul 9, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mai Uyen Thi Do, FNP-C located?

The NPPES record lists a practice address at 2414 S Fairview St, Santa Ana, CA, 92704. Phone: (714) 641-0121. Providers update this record themselves, so call before visiting.

How can I verify Mai Uyen Thi Do, FNP-C's license?

NPPES lists California license number NP95017437, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mai Uyen Thi Do, FNP-C prescribe under Medicare Part D?

In 2024, Mai Uyen Thi Do, FNP-C had 63 Medicare Part D claims for 20 beneficiaries; the average among registered nurse prescribers was 678. 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.