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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MOLLIE G. WARREN M.D.
NPI 1417391863
Pediatrics in Boston, MA

Active since April 28, 2013PECOS Enrolled
75 FRANCIS ST # 4, BOSTON, MA 02115(617) 525-4120 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mollie G. Warren M.d. NPPES

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

DR. MOLLIE G. WARREN M.D. (NPI 1417391863) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (287409) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417391863
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MOLLIE G. WARRENCredential: M.D.
Location Address75 FRANCIS ST # 4Boston, MA 02115-6110
Mailing Address18 Gibbs St Apt 2Brookline, MA 02446-6032 · (508) 733-7270
Phone(617) 525-4120
Sole ProprietorNo
Enumeration DateApril 28, 2013
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
✔ NPI 1417391863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MA · 287409✔ Licensed in NH · 33576✔ Licensed in ME · MD25493✔ Licensed in RI · MD18850
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.
75 FRANCIS ST # 4, Boston, MA 02115
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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. Mollie G. Warren 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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.

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 Mollie Warren's NPI number?

The NPI number for Mollie Warren is 1417391863. It was assigned to this individual provider in the NPPES registry on April 28, 2013.

Where is Mollie Warren located?

Mollie Warren practices at 75 Francis St # 4, Boston, MA 02115. The listed phone number is (617) 525-4120.

What is Mollie Warren's specialty?

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

Is Mollie Warren enrolled in Medicare?

Yes. Mollie Warren is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mollie Warren was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 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.