ALEXANDRIA LUDLOW NP
NPI 1902357817
Nurse Practitioner - Obstetrics & Gynecology in Brentwood, CA
About Alexandria Ludlow Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRIA LUDLOW NP (NPI 1902357817) is an individual obstetrics & gynecology provider in Brentwood, California, licensed in California (95005245) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
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
Alexandria Ludlow 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
4Medicare enrollment records show Alexandria Ludlow reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 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 94513 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Alexandria Ludlow's NPI number?
The NPI number for Alexandria Ludlow is 1902357817. It was assigned to this individual provider in the NPPES registry on October 17, 2016.
Where is Alexandria Ludlow located?
Alexandria Ludlow practices at 350 John Muir Pkwy Ste 205, Brentwood, CA 94513. The listed phone number is (925) 933-4747.
What is Alexandria Ludlow's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Alexandria Ludlow enrolled in Medicare?
Yes. Alexandria Ludlow 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 Alexandria Ludlow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandria Ludlow reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Dept Of Surgery (San Francisco, 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 Alexandria Ludlow'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 Alexandria Ludlow was last updated on October 17, 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.
# Alexandria Ludlow, NP · NPI 1902357817
Obstetrics & Gynecology physician in Brentwood, California. Individual provider, active in the CMS NPPES registry since October 17, 2016.
## Identity
- **NPI:** 1902357817 (Entity type: Individual)
- **Enumerated:** October 17, 2016
- **Primary specialty:** Nurse Practitioner - Obstetrics & Gynecology · taxonomy 363LX0001X
- **State license:** 95005245 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 JOHN MUIR PKWY STE 205, Brentwood, CA 94513-5193
- **Phone:** (925) 933-4747 · **Fax:** (925) 935-3559
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 17, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1902357817) · Data from the CMS NPPES public registry.