MISS ANNIE CHEN KAO M.D.
NPI 1275981524
Pediatrics in Boston, MA

Active since May 27, 2016PECOS Enrolled
800 WASHINGTON STREET, BOX 286, TUFTS MEDICAL CENTER DEPARTMENT OF PEDIATRICS, BOSTON, MA 02111(617) 636-5078 Get Directions Write a Review

NPPES record last updated: June 21, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Miss Annie Chen Kao M.d. NPPES

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

MISS ANNIE CHEN KAO M.D. (NPI 1275981524) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (267973) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275981524
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMISS ANNIE CHEN KAOCredential: M.D.
Location Address800 WASHINGTON STREET, BOX 286, TUFTS MEDICAL CENTER DEPARTMENT OF PEDIATRICSBoston, MA 02111
Mailing Address800 Washington Street, Box 286, Tufts Medical Center Department Of PediatricsBoston, MA 02111 · (617) 636-5078
Sole ProprietorNo
Enumeration DateMay 27, 2016
Last NPPES UpdateJune 21, 2016
✔ NPI 1275981524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 267973
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
800 WASHINGTON STREET, BOX 286, Boston, MA 02111

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Miss Annie Chen Kao M.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

2

Medicare enrollment records show Annie Kao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
2014 WASHINGTON STREET
Newton, MA 02462
  • Reassigned Medicare billing, Massachusetts enrollment
  • 992 clinicians in this Medicare group
Pediatrics
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 202 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 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
800 WASHINGTON STREET, BOX 286
BOSTON, MA 02111

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 Annie Kao's NPI number?

The NPI number for Annie Kao is 1275981524. It was assigned to this individual provider in the NPPES registry on May 27, 2016.

Where is Annie Kao located?

Annie Kao practices at 800 Washington Street, Box 286 Tufts Medical Center Department Of Pediatrics, Boston, MA 02111. The listed phone number is (617) 636-5078.

What is Annie Kao's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Annie Kao enrolled in Medicare?

Yes. Annie Kao is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Annie Kao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annie Kao reassigns Medicare benefits to 2 organizations: Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA) and Pratt Pediatric Associates Inc (Boston, MA). 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 Annie Kao'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 Annie Kao was last updated on June 21, 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.