DR. MARK GEORGE PANDAPAS M.D.
NPI 1609946029
Anesthesiology in Hayward, CA
About Dr. Mark George Pandapas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK GEORGE PANDAPAS M.D. (NPI 1609946029) is an individual anesthesiology provider in Hayward, California, licensed in California (G60995) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (1996).
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 and accepts Medicare assignment
Dr. Mark George Pandapas 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
3Medicare enrollment records show Mark Pandapas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fresno, CA 93711
- Reassigned Medicare billing, California enrollment
- 508 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 293 clinicians in this Medicare group
Bakersfield, CA 93306
- Reassigned Medicare billing, California enrollment
- 96 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 2
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.
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.
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 Mark Pandapas's NPI number?
The NPI number for Mark Pandapas is 1609946029. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Mark Pandapas located?
Mark Pandapas practices at 27200 Calaroga Ave, Hayward, CA 94545. The listed phone number is (510) 264-4000.
What is Mark Pandapas's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Pandapas enrolled in Medicare?
Yes. Mark Pandapas 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 Mark Pandapas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Pandapas reassigns Medicare benefits to 3 organizations: Community Foundation Medical Group (Fresno, CA), Valley Regional Anesthesia Associates Inc (Fresno, CA) and Regional Anesthesia Associates Inc (Bakersfield, 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 Mark Pandapas'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 Mark Pandapas was last updated on September 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Mark George Pandapas, M.D. · NPI 1609946029
Anesthesiology physician in Hayward, California. Individual provider, active in the CMS NPPES registry since November 9, 2006.
## Identity
- **NPI:** 1609946029 (Entity type: Individual)
- **Enumerated:** November 9, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G60995 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27200 CALAROGA AVE, Hayward, CA 94545-4339
- **Phone:** (510) 264-4000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Community Foundation Medical Group (NPI 1003329491, Fresno, CA); Valley Regional Anesthesia Associates Inc (NPI 1578272415, Fresno, CA); Regional Anesthesia Associates Inc (NPI 1811442874, Bakersfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 1996
## Record status
- **NPPES last updated:** September 4, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1609946029) · Data from the CMS NPPES public registry.