CHRISTINA THEODORIS M.D., PH.D.
NPI 1316488752
Student in an Organized Health Care Education/Training Program in Boston, MA

Active since March 18, 2017PECOS Enrolled
300 LONGWOOD AVE, BCH, HUNNEWELL BLDG, PAVILION 129, HOUSESTAFF LOUNGE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: March 18, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Christina Theodoris M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTINA THEODORIS M.D., PH.D. (NPI 1316488752) is an individual student in an organized health care education/training program in Boston, Massachusetts and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316488752
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameCHRISTINA THEODORISCredential: M.D., PH.D.
Location Address300 LONGWOOD AVE, BCH, HUNNEWELL BLDG, PAVILION 129, HOUSESTAFF LOUNGEBoston, MA 02115-5724
Mailing Address300 Longwood Ave, Bch, Hunnewell Bldg, Pavilion 129, Housestaff LoungeBoston, MA 02115-5724
Sole ProprietorYes
Enumeration DateMarch 18, 2017
✔ NPI 1316488752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
300 LONGWOOD AVE, Boston, MA 02115

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christina Theodoris M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Christina Theodoris reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 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.

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Christina Theodoris's NPI number?

The NPI number for Christina Theodoris is 1316488752. It was assigned to this individual provider in the NPPES registry on March 18, 2017.

Where is Christina Theodoris located?

Christina Theodoris practices at 300 Longwood Ave Bch, Hunnewell Bldg, Pavilion 129, Housestaff Lounge, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Christina Theodoris's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Christina Theodoris enrolled in Medicare?

Yes. Christina Theodoris is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christina Theodoris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Theodoris reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (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 Christina Theodoris'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 Christina Theodoris was last updated on March 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.