MAY MAY SAN-ROZANO NP
NPI 1619393105
Nurse Practitioner - Family in El Segundo, CA
About May May San-rozano Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAY MAY SAN-ROZANO NP (NPI 1619393105) is an individual family provider in El Segundo, California, licensed in California (95000349) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Duarte, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
May May San-rozano Np 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 May San-rozano reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Steven A Battaglia MD Inc
- 8 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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
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 90245 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EL SEGUNDO, CA 90245
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 May San-rozano's NPI number?
The NPI number for May San-rozano is 1619393105. It was assigned to this individual provider in the NPPES registry on March 9, 2014.
Where is May San-rozano located?
May San-rozano practices at 2175 Park Pl, El Segundo, CA 90245. The listed phone number is (310) 354-4200.
What is May San-rozano's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is May San-rozano enrolled in Medicare?
Yes. May San-rozano 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 May San-rozano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), May San-rozano reassigns Medicare benefits to 3 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Steven A Battaglia M D Inc (Pasadena, CA) and City Of Hope Medical Foundation (Duarte, 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 May San-rozano'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 May San-rozano was last updated on November 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# May May San-Rozano, NP · NPI 1619393105
Family physician in El Segundo, California. Individual provider, active in the CMS NPPES registry since March 9, 2014.
## Identity
- **NPI:** 1619393105 (Entity type: Individual)
- **Enumerated:** March 9, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95000349 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2175 PARK PL, El Segundo, CA 90245-4705
- **Phone:** (310) 354-4200
## 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): Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Steven A Battaglia M D Inc (NPI 1215069869, Pasadena, CA); City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1619393105) · Data from the CMS NPPES public registry.