DR. SUZANNE VALERIE MCDIARMID M.D.
NPI 1255445508
Pediatrics - Pediatric Gastroenterology in Los Angeles, CA
About Dr. Suzanne Valerie Mcdiarmid M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUZANNE VALERIE MCDIARMID M.D. (NPI 1255445508) is an individual pediatric gastroenterology provider in Los Angeles, California, licensed in California (A39160) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Suzanne Valerie Mcdiarmid M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Suzanne Mcdiarmid reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 44 clinicians in this Medicare group
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 323 clinicians in this Medicare group
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 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Suzanne Mcdiarmid's NPI number?
The NPI number for Suzanne Mcdiarmid is 1255445508. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Suzanne Mcdiarmid located?
Suzanne Mcdiarmid practices at 200 Ucla Medical Plz Ste 265, Los Angeles, CA 90095. The listed phone number is (310) 825-0867.
What is Suzanne Mcdiarmid's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Suzanne Mcdiarmid enrolled in Medicare?
Yes. Suzanne Mcdiarmid is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Suzanne Mcdiarmid's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Suzanne Mcdiarmid reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California (Los Angeles, CA) and Uc Regents (Los Angeles, CA). 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 Suzanne Mcdiarmid'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 Suzanne Mcdiarmid was last updated on January 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Suzanne Valerie Mcdiarmid, M.D. · NPI 1255445508
Pediatric Gastroenterology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since August 17, 2006.
## Identity
- **NPI:** 1255445508 (Entity type: Individual)
- **Enumerated:** August 17, 2006
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** A39160 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 UCLA MEDICAL PLZ STE 265, Los Angeles, CA 90095-3075
- **Phone:** (310) 825-0867 · **Fax:** (310) 794-5066
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California (NPI 1902862170, Los Angeles, CA); Uc Regents (NPI 1982667663, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 2, 2020
- **Other identifiers:** Medicaid 00A391600 (CA); Medicaid GR0053510 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255445508) · Data from the CMS NPPES public registry.