CHARLOTTE DOROTHY MARIE BLUMROSEN
NPI 1184366825
Internal Medicine - Gastroenterology in Boston, MA

Q: What is Charlotte Blumrosen's NPI number?

The NPI number for Charlotte Blumrosen is 1184366825. It was assigned to this individual provider in the NPPES registry on April 12, 2022.

Q: What is Charlotte Blumrosen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since April 12, 2022PECOS Enrolled

800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Charlotte Dorothy Marie Blumrosen NPPES

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

CHARLOTTE DOROTHY MARIE BLUMROSEN (NPI 1184366825) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (1026460) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184366825

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameCHARLOTTE DOROTHY MARIE BLUMROSEN

Location Address800 WASHINGTON STBoston, MA 02111-1552

Mailing Address800 Washington StBoston, MA 02111-1552

Phone(617) 636-5000

Sole ProprietorYes

Enumeration DateApril 12, 2022

Last NPPES UpdateJune 10, 2026

NPPES CertifiedJune 10, 2026

✔ NPI 1184366825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MA · 1026460

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 1026460 (MA)

Also ListedPediatricsTaxonomy 208000000X · License 1026460 (MA)

800 WASHINGTON ST, Boston, MA 02111

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charlotte Dorothy Marie Blumrosen 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 02111 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.

AARON DICKSTEIN M.D.

Internal Medicine (Gastroenterology)

800 WASHINGTON ST, BOX 233
BOSTON, MA 02111

Suffolk County (617) 636-5883

THOMAS E BIGELOW

Technician/Technologist (Optician)

800 WASHINGTON ST, BOX 450
BOSTON, MA 02111

Suffolk County (617) 636-5857

SARAH MERRIMAN PERSING M.D.

Plastic Surgery