MARY I DALLAH NP
NPI 1477123149
Nurse Practitioner - Psychiatric/Mental Health in Colton, CA
About Mary I Dallah Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY I DALLAH NP (NPI 1477123149) is an individual psychiatric/mental health provider in Colton, California, licensed in California (95034751) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
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
Mary I Dallah Np 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 Reassignments
3Medicare enrollment records show Mary Dallah reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loma Linda, CA 92354
- Reassigned Medicare billing, California enrollment
- 194 clinicians in this Medicare group
Cathedral City, CA 92234
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Gardena, CA 90248
- Reassigned Medicare billing, California enrollment
- 375 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 92324 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.
COLTON, CA 92324
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 Mary Dallah's NPI number?
The NPI number for Mary Dallah is 1477123149. It was assigned to this individual provider in the NPPES registry on June 25, 2021.
Where is Mary Dallah located?
Mary Dallah practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-1800.
What is Mary Dallah's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mary Dallah enrolled in Medicare?
Yes. Mary Dallah 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 organizations bill Medicare for Mary Dallah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Dallah reassigns Medicare benefits to 3 organizations: Inland Psychiatric Medical Group Inc (Loma Linda, CA), Compass Health Systems Of California Inc (Cathedral City, CA) and Ehab Yacoub MD Inc. (Gardena, 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 Mary Dallah'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 Mary Dallah was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Mary I Dallah, NP · NPI 1477123149
Psychiatric/Mental Health physician in Colton, California. Individual provider, active in the CMS NPPES registry since June 25, 2021.
## Identity
- **NPI:** 1477123149 (Entity type: Individual)
- **Enumerated:** June 25, 2021
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 95034751 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 N PEPPER AVE, Colton, CA 92324-1801
- **Phone:** (909) 580-1800
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Inland Psychiatric Medical Group Inc (NPI 1710535968, Loma Linda, CA); Compass Health Systems Of California Inc (NPI 1871303396, Cathedral City, CA); Ehab Yacoub MD Inc. (NPI 1417373713, Gardena, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** January 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477123149) · Data from the CMS NPPES public registry.