MARILYN MAJEO DEGUZMAN DO
NPI 1780761718
Family Medicine in Pomona, CA
About Marilyn Majeo Deguzman Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARILYN MAJEO DEGUZMAN DO (NPI 1780761718) is an individual family medicine provider in Pomona, California, licensed in California (20A10190) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Western University Of Health Sciences College Of Dental Med (2006).
NPPES Registry Identity
Specialties & Licenses
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
Marilyn Majeo Deguzman Do 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.
Medicare Billing Reassignment
Medicare enrollment records show Marilyn Deguzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baldwin Park, CA 91706
- Reassigned Medicare billing, California enrollment
- 13,921 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 91767 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POMONA, CA 91767
POMONA, CA 91767
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 Marilyn Deguzman's NPI number?
The NPI number for Marilyn Deguzman is 1780761718. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Marilyn Deguzman located?
Marilyn Deguzman practices at 1770 N Orange Grove Ave # 101, Pomona, CA 91767. The listed phone number is (909) 469-9494.
What is Marilyn Deguzman's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marilyn Deguzman enrolled in Medicare?
Yes. Marilyn Deguzman 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 Marilyn Deguzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Deguzman reassigns Medicare benefits to Southern California Permanente Medical Group (Baldwin Park, 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 Marilyn Deguzman'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 Marilyn Deguzman was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Marilyn Majeo Deguzman, DO · NPI 1780761718
Family Medicine physician in Pomona, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1780761718 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A10190 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1770 N ORANGE GROVE AVE, # 101, Pomona, CA 91767-3027
- **Phone:** (909) 469-9494 · **Fax:** (909) 398-9809
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1770515280, Baldwin Park, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Western University Of Health Sciences College Of Dental Med, class of 2006
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1780761718) · Data from the CMS NPPES public registry.