DR. JERASIMOS BALLAS M.D.
NPI 1871767384
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Diego, CA
About Dr. Jerasimos Ballas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JERASIMOS BALLAS M.D. (NPI 1871767384) is an individual maternal & fetal medicine provider in San Diego, California, licensed in California (A112607) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rancho Mirage, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Jerasimos Ballas 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 Reassignments
4Medicare enrollment records show Jerasimos Ballas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 171 clinicians in this Medicare group
Rancho Mirage, CA 92270
- Reassigned Medicare billing, California enrollment
- 595 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 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 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Jerasimos Ballas's NPI number?
The NPI number for Jerasimos Ballas is 1871767384. It was assigned to this individual provider in the NPPES registry on April 15, 2008.
Where is Jerasimos Ballas located?
Jerasimos Ballas practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (858) 249-1205.
What is Jerasimos Ballas's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Jerasimos Ballas enrolled in Medicare?
Yes. Jerasimos Ballas 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 Jerasimos Ballas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jerasimos Ballas reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Diego, CA), Eisenhower Medical Center (Rancho Mirage, CA), Baylor College Of Medicine (Houston, TX) and Texas Children's Physician Group (Houston, TX). 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 Jerasimos Ballas'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 Jerasimos Ballas was last updated on October 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.