RACHEL ELLEN PORITSKY ANDERSON
NPI 1316643448
Internal Medicine in Boston, MA

Active since January 31, 2023PECOS EnrolledAccepts Medicare Assignment
801 MASSACHUSETTS AVENUE, CROSSTOWN 2, BOSTON, MA 02118(617) 414-7399(617) 414-4676 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 10, 2026, Jul 5, 2023, Mar 22, 2023 and 1 more (4 updates tracked since 2023).

About Rachel Ellen Poritsky Anderson NPPES

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

RACHEL ELLEN PORITSKY ANDERSON (NPI 1316643448) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1025535) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1316643448
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameRACHEL ELLEN PORITSKY ANDERSON
Location Address801 MASSACHUSETTS AVENUE, CROSSTOWN 2Boston, MA 02118
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690
Fax(617) 414-4676
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 31, 2023
Last NPPES UpdateApril 10, 20264 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
✔ NPI 1316643448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1025535
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
801 MASSACHUSETTS AVENUE, Boston, MA 02118

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rachel Ellen Poritsky Anderson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688035991
PECOS Enrollment IDI20260623001783
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 Reassignment

Medicare enrollment records show Rachel Anderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 573 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 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

Internal Medicine
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118
Nurse Practitioner (Gerontology)
801 MASSACHUSETTS AVENUE, CROSSTOWN BLDG SUITE 6C
BOSTON, MA 02118
Nurse Practitioner (Acute Care)
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118
Nurse Practitioner (Family)
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVENUE, CROSSTOWN 2
BOSTON, MA 02118

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 Rachel Anderson's NPI number?

The NPI number for Rachel Anderson is 1316643448. It was assigned to this individual provider in the NPPES registry on January 31, 2023.

Where is Rachel Anderson located?

Rachel Anderson practices at 801 Massachusetts Avenue Crosstown 2, Boston, MA 02118. The listed phone number is (617) 414-7399.

What is Rachel Anderson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rachel Anderson enrolled in Medicare?

Yes. Rachel Anderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Rachel Anderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Anderson reassigns Medicare benefits to Evans Medical Foundation, Inc. (Boston, MA). The 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 Rachel Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rachel Anderson accept?

Health plans from WellSense Health Plan list Rachel Anderson 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 Rachel Anderson was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.