DR. PHOEBE HILDRETH YAGER MD
NPI 1104927623
Pediatrics in Boston, MA

Q: What is Phoebe Yager's NPI number?

The NPI number for Phoebe Yager is 1104927623. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Q: What is Phoebe Yager's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Phoebe Yager was last updated on November 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since September 26, 2006PECOS Enrolled

175 CAMBRIDGE STREET, CPZS-5, BOSTON, MA 02114(617) 724-4380(617) 724-4391 Get Directions Write a Review

NPPES record last updated: November 24, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Phoebe Hildreth Yager Md NPPES

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

DR. PHOEBE HILDRETH YAGER MD (NPI 1104927623) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (216176) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104927623

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. PHOEBE HILDRETH YAGERCredential: MD

Location Address175 CAMBRIDGE STREET, CPZS-5Boston, MA 02114-2696

Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 724-4380

Fax(617) 724-4391

Sole ProprietorNo

Enumeration DateSeptember 26, 2006

Last NPPES UpdateNovember 24, 2008

✔ NPI 1104927623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 216176

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.

Also ListedPediatrics · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License 216176 (MA)

175 CAMBRIDGE STREET, Boston, MA 02114

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Other Identifiers 5

Other216176MA · Tufts Health Plan

OtherJ26342MA · Bcbs Ma

Medicare UPINH89600

Medicaid2012316MA

Medicare ID-Type UnspecifiedA35720MA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Phoebe Hildreth Yager Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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 3

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

DR. JAMES E. ZACHAZEWSKI PT, DPT, ATC, SCS

Specialist/Technologist (Athletic Trainer)

175 CAMBRIDGE STREET, SUIITE 470
BOSTON, MA 02114

Suffolk County (617) 643-1230

DENISE E RICHARDS FNP

Nurse Practitioner (Family)

175 CAMBRIDGE STREET, 5TH FLOOR MGH PEDIATRIC ENDOCRINE ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 726-2909

DR. DONGHOON DEREK SHIN MD

Radiology (Diagnostic Radiology)

175 CAMBRIDGE STREET
BOSTON, MA 02114

Suffolk County (617) 643-2009

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 Phoebe Yager's NPI number?

The NPI number for Phoebe Yager is 1104927623. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Phoebe Yager located?

Phoebe Yager practices at 175 Cambridge Street Cpzs-5, Boston, MA 02114. The listed phone number is (617) 724-4380.

What is Phoebe Yager's specialty?

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

Is Phoebe Yager enrolled in Medicare?

Yes. Phoebe Yager is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Phoebe Yager was last updated on November 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.