NPPES file of Aug 9, 2026

Diana Helen Maida, M.D.

Student in an Organized Health Care Education/Training Program · Modesto, CA

Diana Helen Maida, M.D. is a student in an organized health care education/training program with a practice address in Modesto, California, and NPI 1104271881, issued on Apr 29, 2016. Check the license 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
1104271881
Name
Diana Helen Maida
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
401 Paradise RD Ste E, Modesto, CA 95351
Phone
(209) 576-3523
Enumerated
Apr 29, 2016
Record last updated
Nov 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200114003125); 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 401 Paradise RD Ste E

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

  1. Benjamin Colton, MDFamily Medicine Physician1659564367
  2. Tayzar HtunFamily Medicine Physician1629459250
  3. David IngStudent in an Organized Health Care Education/Training Program1467957167
  4. Yuri Ito, D.O.Student in an Organized Health Care Education/Training Program1023463601
  5. Tejinder Nahal, M.D.Student in an Organized Health Care Education/Training Program1407002611
  6. Dang Nguyen, D.O.Family Medicine Physician1013102318

Verify Diana Helen Maida in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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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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18.4 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

3,409 Medicare Part D claims for 401 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 86 claims were for opioids.

  1. Diana Maida3,409
  2. Specialty average185

Most prescribed

  1. Atorvastatin Calcium299 claims
  2. Losartan Potassium222 claims
  3. Amlodipine Besylate220 claims
  4. Lisinopril143 claims
  5. Rosuvastatin Calcium136 claims
  6. Levothyroxine Sodium129 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupPanorama City, CA

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

Diana Helen Maida among 40,652 student in an organized health care education/training program records in California

Diana Helen Maida, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 13% of them.

  • NPI issued2016 · 13% of these records are older, 85% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2016 · median 2017 among the 2,409 with a school on file
  • Record last updated2021 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

313 student in an organized health care education/training program records list a practice address in Modesto

They are 313 of the 9,262 NPPES records with a practice address in Modesto, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Jerry Chastain, M.D.Modesto, CA 953511073752671
  2. Julio Garcia Bonilla, M.D.Modesto, CA 953511346409455
  3. Princy Lakhanpal, M.DModesto, CA 953511871744623
  4. Tejinder Nahal, M.D.Modesto, CA 953511407002611
  5. Michael Quintana, M.D.Modesto, CA 953511316233760
  6. Jeffrey Scott, M.D.Modesto, CA 953511174716195
  7. Carly SequeiraModesto, CA 953511891182424
  8. Girgis Sharmoukh, M.D.Modesto, CA 953511780877464

Common questions

What is Diana Helen Maida, M.D.'s NPI number?

Diana Helen Maida, M.D.'s National Provider Identifier (NPI) is 1104271881, issued on Apr 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Diana Helen Maida, M.D. located?

The NPPES record lists a practice address at 401 Paradise RD Ste E, Modesto, CA, 95351. Phone: (209) 576-3523. Providers update this record themselves, so call before visiting.

How can I verify Diana Helen Maida, M.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Diana Helen Maida, M.D. prescribe under Medicare Part D?

In 2024, Diana Helen Maida, M.D. had 3,409 Medicare Part D claims for 401 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.