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DIANNA DIALLO MD
NPI 1417994708
Specialist in Monterey, CA

Active since June 02, 2006PECOS Enrolled
2 UPPER RAGSDALE DR STE B210, MONTEREY, CA 93940(831) 333-0999(831) 333-0909 Get Directions Write a Review

NPPES record last updated: September 29, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dianna Diallo Md NPPES

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

DIANNA DIALLO MD (NPI 1417994708) is an individual specialist in Monterey, California, licensed in California (A86861) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417994708
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameDIANNA DIALLOCredential: MD
Location Address2 UPPER RAGSDALE DR STE B210Monterey, CA 93940-7851
Mailing Address2 Upper Ragsdale Dr Ste B210Monterey, CA 93940-7851 · (831) 333-0999 · Fax (831) 333-0909
Phone(831) 333-0999
Fax(831) 333-0909
Sole ProprietorNo
Enumeration DateJune 2, 2006
Last NPPES UpdateSeptember 29, 2009
✔ NPI 1417994708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A86861
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2 UPPER RAGSDALE DR STE B210, Monterey, CA 93940
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Other Identifiers 1

Medicare UPINI34283MA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dianna Diallo Md 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 Reassignment

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

County Of Monterey
13 mi
Specialist
323 N SANBORN RD STE E
Salinas, CA 93905
  • Reassigned Medicare billing, California enrollment
  • 284 clinicians in this Medicare group
NPI 1831970946 (831) 751-6200

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 10

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

HSINI CINDY CHU DO, MPH
Pediatrics
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
LINDSAY LEFEVRE FNP-C
Nurse Practitioner (Family)
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
JENNIE BETTY LING
Nurse Practitioner (Pediatrics)
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
DR. ANDREW PARKER CHAMBERLIN M.D.
Pediatrics
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
DOMINIQUE ANGELICA SMITH RN
Registered Nurse (Lactation Consultant)
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
ANNALISA SERGENT CPNP
Nurse Practitioner (Pediatrics)
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
CASEY SINGH PNP
Nurse Practitioner (Pediatrics)
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999
NICOLE MARIANNA KACIR DNP
Nurse Practitioner (Pediatrics)
2 UPPER RAGSDALE DR STE B210
MONTEREY, CA 93940
Monterey County (831) 333-0999

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 Dianna Diallo's NPI number?

The NPI number for Dianna Diallo is 1417994708. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Dianna Diallo located?

Dianna Diallo practices at 2 Upper Ragsdale Dr Ste B210, Monterey, CA 93940. The listed phone number is (831) 333-0999.

What is Dianna Diallo's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Dianna Diallo enrolled in Medicare?

Yes. Dianna Diallo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dianna Diallo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dianna Diallo reassigns Medicare benefits to County Of Monterey (Salinas, 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 Dianna Diallo'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 Dianna Diallo was last updated on September 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.