MR. ERNEST MASSALLA
NPI 1336859610
Nurse Practitioner - Psychiatric/Mental Health in Silver Spring, MD
About Mr. Ernest Massalla NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ERNEST MASSALLA (NPI 1336859610) is an individual psychiatric/mental health provider in Silver Spring, Maryland, licensed in Maryland (R224711) and active in the NPI registry since November 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Silver Spring, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Mr. Ernest Massalla 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 Ernest Massalla reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arlington, VA 22207
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 267 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 20910 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SILVER SPRING, MD 20910
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 Ernest Massalla's NPI number?
The NPI number for Ernest Massalla is 1336859610. It was assigned to this individual provider in the NPPES registry on November 28, 2022.
Where is Ernest Massalla located?
Ernest Massalla practices at 8455 Colesville Rd Ste 755, Silver Spring, MD 20910. The listed phone number is (301) 298-7793.
What is Ernest Massalla's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Ernest Massalla enrolled in Medicare?
Yes. Ernest Massalla 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 Ernest Massalla's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernest Massalla reassigns Medicare benefits to Columbia Associates In Psychiatry PC (Arlington, VA). 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 Ernest Massalla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ernest Massalla accept?
Health plans from Blue Cross and Blue Shield of Texas list Ernest Massalla as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ernest Massalla was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mr. Ernest Massalla · NPI 1336859610
Psychiatric/Mental Health physician in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since November 28, 2022.
## Identity
- **NPI:** 1336859610 (Entity type: Individual)
- **Enumerated:** November 28, 2022
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** R224711 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8455 COLESVILLE RD STE 755, Silver Spring, MD 20910-3315
- **Phone:** (301) 298-7793 · **Fax:** (301) 259-3818
## 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:** Columbia Associates In Psychiatry PC (NPI 1699012930, Arlington, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1336859610) · Data from the CMS NPPES public registry.