EMILY ANN CALABRETTA DNP
NPI 1558167486
Nurse Practitioner in Stanford, CA
About Emily Ann Calabretta Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EMILY ANN CALABRETTA DNP (NPI 1558167486) is an individual nurse practitioner in Stanford, California, licensed in California (95034083) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 3
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
Emily Ann Calabretta Dnp 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 Emily Calabretta reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Berkeley, CA 94705
- Reassigned Medicare billing, California enrollment
- 241 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Emily Calabretta's NPI number?
The NPI number for Emily Calabretta is 1558167486. It was assigned to this individual provider in the NPPES registry on February 21, 2025.
Where is Emily Calabretta located?
Emily Calabretta practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Emily Calabretta's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Emily Calabretta enrolled in Medicare?
Yes. Emily Calabretta 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 Emily Calabretta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Emily Calabretta reassigns Medicare benefits to 2 organizations: Carbon Health Medical Group Of California PC (Berkeley, CA) and Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Emily Calabretta'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 Emily Calabretta was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.
# Emily Ann Calabretta, DNP · NPI 1558167486
Nurse Practitioner physician in Stanford, California. Individual provider, active in the CMS NPPES registry since February 21, 2025.
## Identity
- **NPI:** 1558167486 (Entity type: Individual)
- **Enumerated:** February 21, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95034083 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Carbon Health Medical Group Of California PC (NPI 1417294232, Berkeley, CA); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** October 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1558167486) · Data from the CMS NPPES public registry.