ADAM M HOLLERAN M.D.
NPI 1568627602
Orthopaedic Surgery in San Diego, CA
About Adam M Holleran M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM M HOLLERAN M.D. (NPI 1568627602) is an individual orthopaedic surgery provider in San Diego, California, licensed in California (A113103) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Adam M Holleran M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Adam Holleran reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
King City, CA 93930
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1114917564 (California)
- 156 clinicians in this Medicare group
Crescent City, CA 95531
- Reassigned Medicare billing, California enrollment
- 36 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92110 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92110
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 Adam Holleran's NPI number?
The NPI number for Adam Holleran is 1568627602. It was assigned to this individual provider in the NPPES registry on July 28, 2008.
Where is Adam Holleran located?
Adam Holleran practices at 2930 Barnard St Unit 7301, San Diego, CA 92110. The listed phone number is (607) 725-0484.
What is Adam Holleran's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Adam Holleran enrolled in Medicare?
Yes. Adam Holleran is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Adam Holleran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Holleran reassigns Medicare benefits to 2 organizations: Southern Monterey County Memorial Hospital (King City, CA) and Sutter Coast Hospital (Crescent City, 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 Adam Holleran'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 Adam Holleran was last updated on April 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.