MRS. ADRIANA CERVANTES LONGO M.D.
NPI 1124004999
Internal Medicine in Garden Grove, CA
About Mrs. Adriana Cervantes Longo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ADRIANA CERVANTES LONGO M.D. (NPI 1124004999) is an individual internal medicine provider in Garden Grove, California, licensed in Massachusetts (212882) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Pennsylvania (1999).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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
Mrs. Adriana Cervantes Longo M.d. 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 Adriana Longo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fullerton, CA 92833
- 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 92840 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.
GARDEN GROVE, CA 92840
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 Adriana Longo's NPI number?
The NPI number for Adriana Longo is 1124004999. It was assigned to this individual provider in the NPPES registry on December 22, 2005. The provider is also known as Dr. Adriana Cervantes MD.
Where is Adriana Longo located?
Adriana Longo practices at 12100 Euclid St 3rd Floor, Garden Grove, CA 92840. The listed phone number is (714) 741-3685.
What is Adriana Longo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Adriana Longo enrolled in Medicare?
Yes. Adriana Longo 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 Adriana Longo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adriana Longo reassigns Medicare benefits to Southern California Permanente Medical Group (Fullerton, 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 Adriana Longo'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 Adriana Longo was last updated on December 21, 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.
# Mrs. Adriana Cervantes Longo, M.D. · NPI 1124004999
Internal Medicine physician in Garden Grove, California. Individual provider, active in the CMS NPPES registry since December 22, 2005.
## Identity
- **NPI:** 1124004999 (Entity type: Individual)
- **Enumerated:** December 22, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 212882 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 12100 EUCLID ST, 3RD FLOOR, Garden Grove, CA 92840-3304
- **Phone:** (714) 741-3685
## 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 1336556059, Fullerton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Pennsylvania, class of 1999
## Record status
- **NPPES last updated:** December 21, 2021
- **Other identifiers:** Medicaid 0183920 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1124004999) · Data from the CMS NPPES public registry.