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DIANA TRAN NGUYEN CNM
NPI 1932643251
Advanced Practice Midwife in Hanford, CA

Active since December 05, 2016PECOS Enrolled
1122 N HARRIS ST STE 104, HANFORD, CA 93230(559) 582-1041 Get Directions Write a Review

NPPES record last updated: October 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 27, 2023, May 22, 2018 (2 updates tracked since 2018).

About Diana Tran Nguyen Cnm NPPES

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

DIANA TRAN NGUYEN CNM (NPI 1932643251) is an individual advanced practice midwife in Hanford, California and active in the NPI registry since December 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932643251
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameDIANA TRAN NGUYENCredential: CNM
Location Address1122 N HARRIS ST STE 104Hanford, CA 93230-3785
Mailing Address521 Bluebell PlOxnard, CA 93036-9040 · (805) 612-0702
Phone(559) 582-1041
Sole ProprietorNo
Enumeration DateDecember 5, 2016
Last NPPES UpdateOctober 27, 20232 updates tracked since enumeration
✔ NPI 1932643251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
Also ListedMidwifeTaxonomy 176B00000X · License 235853 (CA)
1122 N HARRIS ST STE 104, Hanford, CA 93230
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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 (PECOS)

Diana Tran Nguyen Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Diana Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
143 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279
Obhg California, P.C.
2,089 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93230 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Nguyen's NPI number?

The NPI number for Diana Nguyen is 1932643251. It was assigned to this individual provider in the NPPES registry on December 5, 2016.

Where is Diana Nguyen located?

Diana Nguyen practices at 1122 N Harris St Ste 104, Hanford, CA 93230. The listed phone number is (559) 582-1041.

What is Diana Nguyen's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Diana Nguyen enrolled in Medicare?

Yes. Diana Nguyen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Diana Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Nguyen reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Lancaster, CA) and Obhg California, P.C. (Greenville, SC). Each 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 Nguyen'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 Nguyen was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.