DR. YOLANDA MARZAN MD
NPI 1891845541
Anesthesiology in San Diego, CA
About Dr. Yolanda Marzan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YOLANDA MARZAN MD (NPI 1891845541) is an individual anesthesiology provider in San Diego, California, licensed in California (A126163) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Rochester School Of Medicine And Dentistry (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Yolanda Marzan Md 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
2Medicare enrollment records show Yolanda Marzan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 269 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 86 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 4
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 Yolanda Marzan's NPI number?
The NPI number for Yolanda Marzan is 1891845541. It was assigned to this individual provider in the NPPES registry on January 12, 2007.
Where is Yolanda Marzan located?
Yolanda Marzan practices at 3626 Ruffin Rd, San Diego, CA 92123. The listed phone number is (858) 565-9666.
What is Yolanda Marzan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Yolanda Marzan enrolled in Medicare?
Yes. Yolanda Marzan 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 Yolanda Marzan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yolanda Marzan reassigns Medicare benefits to 2 organizations: Anesthesia Service Medical Group (San Diego, CA) and Hp Anesthesia Inc (Los Angeles, 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 Yolanda Marzan'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 Yolanda Marzan was last updated on April 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Yolanda Marzan, MD · NPI 1891845541
Anesthesiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since January 12, 2007.
## Identity
- **NPI:** 1891845541 (Entity type: Individual)
- **Enumerated:** January 12, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A126163 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3626 RUFFIN RD, San Diego, CA 92123-1810
- **Phone:** (858) 565-9666 · **Fax:** (858) 565-9441
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Anesthesia Service Medical Group (NPI 1053354233, San Diego, CA); Hp Anesthesia Inc (NPI 1992133474, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 2006
## Record status
- **NPPES last updated:** April 20, 2016
- **Other identifiers:** Medicaid 1891845541 (CA); Medicare PIN CB232606 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1891845541) · Data from the CMS NPPES public registry.