MS. JULIE AIMEE BIRDSONG RN, CNM, WHNP
NPI 1578909776
Nurse Practitioner - Obstetrics & Gynecology in San Mateo, CA
About Ms. Julie Aimee Birdsong Rn, Cnm, Whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. JULIE AIMEE BIRDSONG RN, CNM, WHNP (NPI 1578909776) is an individual obstetrics & gynecology provider in San Mateo, California, licensed in California (22613) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Julie Aimee Birdsong Rn, Cnm, Whnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Julie Birdsong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Mateo, CA 94403
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1114005105 (California)
- 430 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 94403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Julie Birdsong's NPI number?
The NPI number for Julie Birdsong is 1578909776. It was assigned to this individual provider in the NPPES registry on May 14, 2013.
Where is Julie Birdsong located?
Julie Birdsong practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-2222.
What is Julie Birdsong's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Julie Birdsong enrolled in Medicare?
Yes. Julie Birdsong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Julie Birdsong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julie Birdsong reassigns Medicare benefits to County Of San Mateo (San Mateo, CA). The 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 Julie Birdsong'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 Julie Birdsong was last updated on May 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Julie Aimee Birdsong, RN, CNM, WHNP · NPI 1578909776
Obstetrics & Gynecology physician in San Mateo, California. Individual provider, active in the CMS NPPES registry since May 14, 2013.
## Identity
- **NPI:** 1578909776 (Entity type: Individual)
- **Enumerated:** May 14, 2013
- **Primary specialty:** Nurse Practitioner - Obstetrics & Gynecology · taxonomy 363LX0001X
- **State license:** 22613 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 222 W 39TH AVE, San Mateo, CA 94403-4364
- **Phone:** (650) 573-2222
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** County Of San Mateo (NPI 1831268580, San Mateo, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 14, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1578909776) · Data from the CMS NPPES public registry.