MS. DEBORAH OHUI SIAMEH NP-F
NPI 1528688298
Nurse Practitioner - Critical Care Medicine in Anaheim, CA
About Ms. Deborah Ohui Siameh Np-f NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. DEBORAH OHUI SIAMEH NP-F (NPI 1528688298) is an individual critical care medicine provider in Anaheim, California, licensed in California (95012863) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
Ms. Deborah Ohui Siameh Np-f is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Deborah Siameh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 96 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ANAHEIM, CA 92801
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 Deborah Siameh's NPI number?
The NPI number for Deborah Siameh is 1528688298. It was assigned to this individual provider in the NPPES registry on April 22, 2020.
Where is Deborah Siameh located?
Deborah Siameh practices at 1211 W La Palma Ave Ste 404, Anaheim, CA 92801. The listed phone number is (714) 772-8282.
What is Deborah Siameh's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Deborah Siameh enrolled in Medicare?
Yes. Deborah Siameh is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Deborah Siameh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Siameh reassigns Medicare benefits to Chest And Critical Care Consultants A Medical Group (Anaheim, 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 Deborah Siameh'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 Deborah Siameh was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ms. Deborah Ohui Siameh, NP-F · NPI 1528688298
Critical Care Medicine physician in Anaheim, California. Individual provider, active in the CMS NPPES registry since April 22, 2020.
## Identity
- **NPI:** 1528688298 (Entity type: Individual)
- **Enumerated:** April 22, 2020
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** 95012863 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1211 W LA PALMA AVE STE 404, Anaheim, CA 92801-2806
- **Phone:** (714) 772-8282 · **Fax:** (714) 772-6493
## 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:** Chest And Critical Care Consultants A Medical Group (NPI 1598852717, Anaheim, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other 836688 (CA); Other 95012863 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1528688298) · Data from the CMS NPPES public registry.