DR. GREGORY PERENS X M.D.
NPI 1972530988
Pediatrics - Pediatric Cardiology in Los Angeles, CA
About Dr. Gregory Perens X M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY PERENS X M.D. (NPI 1972530988) is an individual pediatric cardiology provider in Los Angeles, California, licensed in California (A73878) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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
Dr. Gregory Perens X 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 Gregory Perens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 323 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Gregory Perens's NPI number?
The NPI number for Gregory Perens is 1972530988. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Gregory Perens located?
Gregory Perens practices at 10833 Le Conte Ave 12-441 Mdcc, Los Angeles, CA 90095. The listed phone number is (310) 825-5296.
What is Gregory Perens's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Gregory Perens enrolled in Medicare?
Yes. Gregory Perens 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 Gregory Perens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Perens reassigns Medicare benefits to Uc Regents (Los Angeles, 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 Gregory Perens'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 Gregory Perens was last updated on June 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Gregory Perens X, M.D. · NPI 1972530988
Pediatric Cardiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 26, 2006.
## Identity
- **NPI:** 1972530988 (Entity type: Individual)
- **Enumerated:** June 26, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** A73878 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10833 LE CONTE AVE, 12-441 MDCC, Los Angeles, CA 90095-3075
- **Phone:** (310) 825-5296 · **Fax:** (310) 825-9524
## 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:** Uc Regents (NPI 1982667663, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** June 19, 2012
- **Other identifiers:** Medicare ID-Type Unspecified WA73878A (CA); Medicare ID-Type Unspecified W11810 (CA); Medicaid 00A738780 (CA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1972530988) · Data from the CMS NPPES public registry.