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ALYSSA RAVEN HERTZ THOMAS MD
NPI 1134612211
Pediatrics in Boston, MA

Active since June 12, 2018PECOS Enrolled
75 FRANCIS ST, BOSTON, MA 02115(617) 732-5500 Get Directions Write a Review

NPPES record last updated: May 7, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 7, 2025, Jun 14, 2021, Jun 12, 2018 (3 updates tracked since 2018).

About Alyssa Raven Hertz Thomas Md NPPES

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

ALYSSA RAVEN HERTZ THOMAS MD (NPI 1134612211) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (286999) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1134612211
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameALYSSA RAVEN HERTZ THOMASCredential: MD
Location Address75 FRANCIS STBoston, MA 02115-6106
Mailing Address300 Longwood Ave # 961Boston, MA 02115-5724
Phone(617) 732-5500
Sole ProprietorNo
Enumeration DateJune 12, 2018
Last NPPES UpdateMay 7, 20253 updates tracked since enumeration
NPPES CertifiedMay 7, 2025
✔ NPI 1134612211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MA · 286999✔ Licensed in PA · MT214912
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, Boston, MA 02115
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13401 Civic Center Blvd Rm 55Philadelphia, PA 19104-4319 · Phone (215) 590-1220
Location 2300 Longwood Ave # 961Boston, MA 02115-5724 · Phone (617) 919-2341

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)

Alyssa Raven Hertz Thomas 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

2

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

Brigham & Womens Physicians Organization Inc
Same address
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500
Mass General Brigham Medical Group Suburban Massachusetts Inc
7.2 mi
Family Medicine
2014 WASHINGTON STREET
Newton, MA 02462
  • Reassigned Medicare billing, Massachusetts enrollment
  • 992 clinicians in this Medicare group
NPI 1538191218 (617) 243-6262

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 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.

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.

RUMA RAJBHANDARI
Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 525-6841
WENYA LINDA BI
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (203) 645-9485
CHI YUEN CHAN M.D.
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500
JENNIFER MICHELLE THOMAS MD
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Suffolk County (617) 732-6248
GAURAV SHARMA M.D.
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (951) 259-0890
YEU-SHIN CINDY CHANG M.D., M.P.H.
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Suffolk County (617) 732-8070
CARA L RICHARDS
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500
LARA COAKLEY
Nurse Practitioner (Family)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500

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 Alyssa Thomas's NPI number?

The NPI number for Alyssa Thomas is 1134612211. It was assigned to this individual provider in the NPPES registry on June 12, 2018.

Where is Alyssa Thomas located?

Alyssa Thomas practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.

What is Alyssa Thomas's specialty?

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

Is Alyssa Thomas enrolled in Medicare?

Yes. Alyssa Thomas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alyssa Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Thomas reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Alyssa Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alyssa Thomas accept?

Health plans from Taro Health list Alyssa Thomas 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 Alyssa Thomas was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.