GENEVIEVE L PREER MD
NPI 1790950814
Pediatrics in Boston, MA

Q: What is Genevieve Preer's NPI number?

The NPI number for Genevieve Preer is 1790950814. It was assigned to this individual provider in the NPPES registry on April 29, 2008.

Q: What is Genevieve Preer'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 Genevieve Preer was last updated on March 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 29, 2008PECOS Enrolled

850 HARRISON AVE, YACC5, BOSTON, MA 02118(617) 414-5946(617) 414-4541 Get Directions Write a Review

NPPES record last updated: March 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Genevieve L Preer Md NPPES

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

GENEVIEVE L PREER MD (NPI 1790950814) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (240545) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790950814

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameGENEVIEVE L PREERCredential: MD

Location Address850 HARRISON AVE, YACC5Boston, MA 02118-4001

Mailing Address720 Harrison Ave, Dob 503Boston, MA 02118-2371

Phone(617) 414-5946

Fax(617) 414-4541

Sole ProprietorNo

Enumeration DateApril 29, 2008

Last NPPES UpdateMarch 30, 2021

NPPES CertifiedMarch 30, 2021

✔ NPI 1790950814 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 240545

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.

850 HARRISON AVE, Boston, MA 02118

Open in Google Maps ↗

Other Identifiers 1

Medicaid110082984AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Genevieve L Preer 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.

Medicare Billing Reassignments

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

Child Health Foundation Of Boston, Inc.

0.1 mi

Pediatrics

1 BOSTON MEDICAL CTR PL, DIVISION OF PEDIATRICS, DOWLING 3 SOUTH
Boston, MA 02118

Reassigned Medicare billing, Massachusetts enrollment
195 clinicians in this Medicare group

NPI 1619969920 (617) 414-4830

Umass Memorial Medical Group Inc

35 mi

Internal Medicine

55 LAKE AVE N
Worcester, MA 01655

Reassigned Medicare billing, Massachusetts enrollment
2,902 clinicians in this Medicare group

NPI 1760445373 (508) 334-1000

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 02118 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 20

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

SHEELA S MARU MD

Obstetrics & Gynecology

850 HARRISON AVE, YACC 4
BOSTON, MA 02118

Suffolk County (617) 414-2000

LIDYA H WLASIUK M.D.

Family Medicine

850 HARRISON AVE, YACC 5
BOSTON, MA 02118

Suffolk County (617) 414-2080

DEBORAH A FRANK MD

Pediatrics

850 HARRISON AVE, YACC5
BOSTON, MA 02118

Suffolk County (617) 414-4841

BRIAN R PENTI M.D.

Family Medicine

850 HARRISON AVE, YACC 4
BOSTON, MA 02118

Suffolk County (617) 414-2080

MARY CHIN LICSW

Social Worker (Clinical)

850 HARRISON AVE, DOWLING 9
BOSTON, MA 02118

Suffolk County (617) 414-4672

ADELIZA OLIVERO MD

Psychiatry & Neurology (Psychiatry)

850 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 414-5245

JEAN EWAN CNM

Advanced Practice Midwife

850 HARRISON AVE, YAWKEY 4TH FLOOR
BOSTON, MA 02118

Suffolk County (617) 414-2000

DOREEN LINEHAN RN

Registered Nurse

850 HARRISON AVE, DOWLING NORTH, SUITE 5108
BOSTON, MA 02118

Suffolk County (617) 638-7062

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 Genevieve Preer's NPI number?

The NPI number for Genevieve Preer is 1790950814. It was assigned to this individual provider in the NPPES registry on April 29, 2008.

Where is Genevieve Preer located?

Genevieve Preer practices at 850 Harrison Ave Yacc5, Boston, MA 02118. The listed phone number is (617) 414-5946.

What is Genevieve Preer's specialty?

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

Is Genevieve Preer enrolled in Medicare?

Yes. Genevieve Preer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Genevieve Preer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Genevieve Preer reassigns Medicare benefits to 2 organizations: Child Health Foundation Of Boston, Inc. (Boston, MA) and Umass Memorial Medical Group Inc (Worcester, 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 Genevieve Preer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Genevieve Preer accept?

Health plans from Taro Health list Genevieve Preer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Genevieve Preer was last updated on March 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.