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DIANA HELEN MAIDA M.D.
NPI 1104271881
Student in an Organized Health Care Education/Training Program in Modesto, CA

Active since April 29, 2016PECOS EnrolledAccepts Medicare Assignment
401 PARADISE RD STE E, MODESTO, CA 95351(209) 576-3523 Get Directions Write a Review

NPPES record last updated: November 1, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Diana Helen Maida M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA HELEN MAIDA M.D. (NPI 1104271881) is an individual student in an organized health care education/training program in Modesto, California and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1104271881
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameDIANA HELEN MAIDACredential: M.D.
Location Address401 PARADISE RD STE EModesto, CA 95351-3163
Mailing Address11895 Darby AveNorthridge, CA 91326-1321 · (818) 681-1223
Phone(209) 576-3523
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateApril 29, 2016
Last NPPES UpdateNovember 1, 2021
NPPES CertifiedNovember 1, 2021
✔ NPI 1104271881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
401 PARADISE RD STE E, Modesto, CA 95351
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana Helen Maida M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608201991
PECOS Enrollment IDI20200114003125
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Diana Maida reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
257 mi
Health Maintenance Organization
2103 E GONZALES RD
Oxnard, CA 93036
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1275756652 (805) 650-4700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANG CONG NGUYEN D.O.
Family Medicine
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 558-4000
YURI ITO D.O.
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 576-3523
DR. TAJINDER SINGH M.D.
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 578-1211
DR. JEFFREY R SCOTT M.D.
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 558-4000
MICHAEL SARMIENTO QUINTANA M.D.
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 558-4000
DR. TEJINDER SINGH NAHAL M.D.
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 558-4000
PARADAISE MEDICAL OFFICE
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 558-4000
DR. ROGER VILLANUEVA DO
Student in an Organized Health Care Education/Training Program
401 PARADISE RD STE E
MODESTO, CA 95351
Stanislaus County (209) 576-3526

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Maida's NPI number?

The NPI number for Diana Maida is 1104271881. It was assigned to this individual provider in the NPPES registry on April 29, 2016.

Where is Diana Maida located?

Diana Maida practices at 401 Paradise Rd Ste E, Modesto, CA 95351. The listed phone number is (209) 576-3523.

What is Diana Maida's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Diana Maida enrolled in Medicare?

Yes. Diana Maida is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Diana Maida's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Maida reassigns Medicare benefits to Southern California Permanente Medical Group (Oxnard, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Diana Maida's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diana Maida was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.