DR. MARIA EUGENIA MESALLES RAMIREZ MD
NPI 1134890882
Internal Medicine in Boston, MA

Q: What is Maria Mesalles Ramirez's NPI number?

The NPI number for Maria Mesalles Ramirez is 1134890882. It was assigned to this individual provider in the NPPES registry on September 22, 2021.

Q: What is Maria Mesalles Ramirez's specialty?

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

Active since September 22, 2021PECOS Enrolled

801 MASSACHUSETTS AVE, SUITE 5B CROSSTOWN BUILDING, BOSTON, MA 02118(617) 414-5951(617) 414-9201 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 3, 2025, Sep 11, 2024, Sep 22, 2021 (3 updates tracked since 2021).

On this page

About Dr. Maria Eugenia Mesalles Ramirez Md NPPES

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

DR. MARIA EUGENIA MESALLES RAMIREZ MD (NPI 1134890882) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1020629) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1134890882

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARIA EUGENIA MESALLES RAMIREZCredential: MD

Location Address801 MASSACHUSETTS AVE, SUITE 5B CROSSTOWN BUILDINGBoston, MA 02118-2605

Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690

Phone(617) 414-5951

Fax(617) 414-9201

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateSeptember 22, 2021

Last NPPES UpdateMarch 3, 20253 updates tracked since enumeration

NPPES CertifiedMarch 3, 2025

✔ NPI 1134890882 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 · 1020629

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 AVE, Boston, MA 02118

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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. Maria Eugenia Mesalles Ramirez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9436690104

PECOS Enrollment IDI20240920002807

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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

62 services19 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Medical Center

Acute Care Hospitals · Boston, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220031

Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County

Emergency services Birthing friendly

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.

DR. FELICIA ELIZABETH PATCH MD

Internal Medicine

801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118

Suffolk County (617) 414-4376

CORINA ELENA BEINER MARTINEZ

Student in an Organized Health Care Education/Training Program

801 MASSACHUSETTS AVE
BOSTON, MA 02118

Suffolk County (617) 414-5951

MAYERLIN MORLA UBIERA

Counselor (Mental Health)

801 MASSACHUSETTS AVE
BOSTON, MA 02118

Suffolk County (617) 651-2538

XANTHIA ALIX TUCKER MD

Internal Medicine

801 MASSACHUSETTS AVE, SUITE 5A, CROSSTOWN BLDG
BOSTON, MA 02118

Suffolk County (617) 414-5951

DR. JENNIFER K HUGHES M.D.

Internal Medicine (Hospice and Palliative Medicine)

801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118

Suffolk County (617) 414-4376

LUCY CURELL

Community Health Worker

801 MASSACHUSETTS AVE
BOSTON, MA 02118

Suffolk County (617) 991-8264

AMOS WU

Internal Medicine

801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118

Suffolk County (617) 414-7399

MS. ARCHANA VASUDEVAN DO

Internal Medicine

801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118

Suffolk County (617) 414-7399

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 Maria Mesalles Ramirez's NPI number?

The NPI number for Maria Mesalles Ramirez is 1134890882. It was assigned to this individual provider in the NPPES registry on September 22, 2021.

Where is Maria Mesalles Ramirez located?

Maria Mesalles Ramirez practices at 801 Massachusetts Ave Suite 5B Crosstown Building, Boston, MA 02118. The listed phone number is (617) 414-5951.

What is Maria Mesalles Ramirez's specialty?

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

Is Maria Mesalles Ramirez enrolled in Medicare?

Yes. Maria Mesalles Ramirez is registered in the Medicare PECOS enrollment system.

Is Maria Mesalles Ramirez affiliated with any hospitals?

According to CMS data, Maria Mesalles Ramirez is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Mesalles Ramirez was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.