MASS GENERAL PHYSICIANS ORGANIZATION INC
NPI 1801874573
Dermatology in Boston, MA

Q: What is Massachusetts General Physicians Organization Inc's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Active since January 04, 2006

55 FRUIT ST, BUL 2, BOSTON, MA 02114(617) 724-0287(617) 228-4315 Get Directions Write a Review

NPPES record last updated: March 25, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Mass General Physicians Organization Inc NPPES

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

MASS GENERAL PHYSICIANS ORGANIZATION INC (NPI 1801874573) is a healthcare organization registered as a dermatology in Boston, Massachusetts and active in the NPI registry since January 2006. The organization lists Marcela G Del Carmen, President & Ceo, as its authorized official.

NPPES Registry Identity

NPI1801874573

Entity TypeOrganization

Primary Taxonomy207N00000X

Legal Business NameMASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC

Location Address55 FRUIT ST, BUL 2Boston, MA 02114-2621

Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 726-2040 · Fax (617) 726-4146

Phone(617) 724-0287

Fax(617) 228-4315

Organization SubpartNo

Authorized OfficialMarcela G Del CarmenPresident & Ceo · (617) 487-3519

Enumeration DateJanuary 4, 2006

Last NPPES UpdateMarch 25, 2024

NPPES CertifiedMarch 25, 2024

✔ NPI 1801874573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Also ListedOral & Maxillofacial SurgeryTaxonomy 204E00000X

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X

Also ListedEmergency MedicineTaxonomy 207P00000X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedNeurological SurgeryTaxonomy 207T00000X

Also ListedObstetrics & GynecologyTaxonomy 207V00000X

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X

Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X

Also ListedPediatricsTaxonomy 208000000X

Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X

Also ListedSurgeryTaxonomy 208600000X

55 FRUIT ST, Boston, MA 02114

Open in Google Maps ↗

Other Names 1

Other NameMass General Physicians Organization Inc

Other Identifiers 4

Medicaid110000037/CMA

Other687920MA · Tufts Health Plan

OtherCA6247MA · Railroad Medicare

OtherM10002MA · Blue Cross Blue Shield Ma

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mass General Physicians Organization Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6,344

Medicare enrollment records show 6,344 clinicians reassign Medicare billing to Mass General Physicians Organization Inc, which bills Medicare for the services they deliver. Of these, 2,977 practice at this address and 4,995 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 70

Nurse Practitioner1,079

Internal Medicine594

Diagnostic Radiology432

Anesthesiology360

Pediatric Medicine306

Psychiatry302

Clinical Psychologist262

Neurology249

62 other specialties2,760

Nearest to this location (20)

See all 6,344

Madelaine Abel

Clinical Psychologist

NPI 1629622469

55 FRUIT ST
Boston, MA 02114

(617) 724-8017

✔ PECOSSame address

Stephen Abraham, M.D.

Cardiovascular Disease (Cardiology)

NPI 1487743316

55 FRUIT STREET MASSACHUSETTS GENERAL HOSPITAL
Boston, MA 02114

(617) 726-9292

✔ PECOS✔ Accepts MedicareSame address

Caitlin Adams, M.D.

Psychiatry

NPI 1316205370

55 FRUIT ST
Boston, MA 02114

(617) 724-7688

✔ PECOS✔ Accepts MedicareSame address

Adekemi Adeleye

Nurse Practitioner

NPI 1528549425

55 FRUIT ST
Boston, MA 02114

(617) 726-4600

✔ PECOS✔ Accepts MedicareSame address

Miranda Adelmann, MD

Internal Medicine

NPI 1841751443

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Daniel Agarkov, MD

Anesthesiology

NPI 1699359794

55 FRUIT ST
Boston, MA 02114

(617) 726-3030

✔ PECOSSame address

Heba Albasha, MD

Diagnostic Radiology

NPI 1760987747

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Kenda Alhadid, MD

Neurology

NPI 1477222594

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Ahmad Alkashash

Pathology

NPI 1053930487

55 FRUIT ST
Boston, MA 02114

(617) 726-6716

✔ PECOS✔ Accepts MedicareSame address

Amgad Amin, M.D

Orthopedic Surgery

NPI 1679861389

55 FRUIT ST
Boston, MA 02114

(617) 724-9338

✔ PECOSSame address

Emily Anderson

Emergency Medicine

NPI 1104389683

55 FRUIT ST
Boston, MA 02114

(617) 726-8523

✔ PECOSSame address

Ana Belen Arevalo Molina, MD

Rheumatology

NPI 1043731466

55 FRUIT ST
Boston, MA 02114

(617) 726-7938

✔ PECOS✔ Accepts MedicareSame address

Anam Asif, MD

General Surgery

NPI 1609403757

55 FRUIT ST
Boston, MA 02114

(617) 726-8290

✔ PECOS✔ Accepts MedicareSame address

Dinesh Atwal, M.D.

Hematology

NPI 1114313962

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Natasha Awais, M.D.

Nephrology

NPI 1952562233

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Leou Ismael Banla, MD PHD

Radiation Oncology

NPI 1255969267

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Nir Bar, MD

Gastroenterology

NPI 1588330658

55 FRUIT ST
Boston, MA 02114

(617) 726-0270

✔ PECOS✔ Accepts MedicareSame address

Jessica Barnes, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1366918559

55 FRUIT ST
Boston, MA 02114

(617) 726-2000

✔ PECOS✔ Accepts MedicareSame address

Lara Basovic, MD

Epileptologists

NPI 1003340159

55 FRUIT ST
Boston, MA 02114

(617) 726-3311

✔ PECOS✔ Accepts MedicareSame address

Madhur Batra, MD

Physical Medicine and Rehabilitation

NPI 1831726314

55 FRUIT ST
Boston, MA 02114

(571) 263-6789

✔ PECOS✔ Accepts MedicareSame address

See all 6,344 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Massachusetts General Physicians Organization Inc's NPI number?

The NPI number for Massachusetts General Physicians Organization Inc is 1801874573. It was assigned to this organization in the NPPES registry on January 4, 2006. The provider is also known as Mass General Physicians Organization Inc.

Where is Massachusetts General Physicians Organization Inc located?

Massachusetts General Physicians Organization Inc is located at 55 Fruit St Bul 2, Boston, MA 02114. The listed phone number is (617) 724-0287.

What is Massachusetts General Physicians Organization Inc's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Massachusetts General Physicians Organization Inc enrolled in Medicare?

Yes. Massachusetts General Physicians Organization Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Massachusetts General Physicians Organization Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 6,344 clinicians in 70 Medicare specialties reassign their Medicare billing to Massachusetts General Physicians Organization Inc. A 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 the clinician's services. The largest specialties are Nurse Practitioner (1,079), Internal Medicine (594) and Diagnostic Radiology (432). Of these, 2,977 practice at this address and 4,995 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Massachusetts General Physicians Organization Inc accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and WellSense Health Plan list Massachusetts General Physicians Organization Inc 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 Massachusetts General Physicians Organization Inc was last updated on March 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.