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ALEXIS RAMIREZ M.D.
NPI 1841639002
Anesthesiology in Boston, MA

Active since June 21, 2013PECOS EnrolledAccepts Medicare Assignment
1 BOSTON MEDICAL CTR PL, BOSTON, MA 02118(617) 638-6950(617) 638-6966 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 8, 2026, Mar 13, 2026, Jan 14, 2026 and 4 more (7 updates tracked since 2017).

About Alexis Ramirez M.d. NPPES

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

ALEXIS RAMIREZ M.D. (NPI 1841639002) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (275064) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of University Of Massachusetts Medical School (2013).

NPPES Registry Identity

NPI1841639002
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameALEXIS RAMIREZCredential: M.D.
Location Address1 BOSTON MEDICAL CTR PLBoston, MA 02118-2908
Mailing Address960 Massachusetts Avenue, Fl 2Boston, MA 02118-2690
Phone(617) 638-6950
Fax(617) 638-6966
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2013
Enumeration DateJune 21, 2013
Last NPPES UpdateApril 8, 20267 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
✔ NPI 1841639002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 275064
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Pediatric AnesthesiologyTaxonomy 207LP3000X · License 57.029082 (OH), 275064 (MA)
1 BOSTON MEDICAL CTR PL, Boston, MA 02118
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Other Identifiers 2

Medicaid110142727AMA
Medicaid3114168NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.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

Alexis Ramirez M.d. 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 ID3971894486
PECOS Enrollment IDI20180928000353
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 Alexis Ramirez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston University Medical Center Anesthesiologists, Inc.
Same address
Anesthesiology
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 102 clinicians in this Medicare group
NPI 1952874737 (617) 638-6950

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

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

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.

SOPHIA N. TOWNSEND CRNA
Nurse Anesthetist, Certified Registered
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Suffolk County (617) 638-6950
MADELYN ROSE CHAMIS
Physician Assistant
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Suffolk County (617) 638-8000
DR. NICKKI P DAWES
Psychologist (Clinical)
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Suffolk County (617) 414-5245
COMFORT ATWEREBOANAH
Nurse Practitioner (Psychiatric/Mental Health)
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Suffolk County (617) 414-5245
SOFIA PHAM
Student in an Organized Health Care Education/Training Program
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Suffolk County (617) 638-8000
ANEESH T NARANG MD
Emergency Medicine
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Suffolk County (617) 414-5481
TEMITAYO OKUBANJO PHARM.D, BCPS
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Suffolk County (617) 638-8000
DEBORAH A DAVOLIO NP
Nurse Practitioner
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Suffolk County (617) 414-5481

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 Alexis Ramirez's NPI number?

The NPI number for Alexis Ramirez is 1841639002. It was assigned to this individual provider in the NPPES registry on June 21, 2013.

Where is Alexis Ramirez located?

Alexis Ramirez practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 638-6950.

What is Alexis Ramirez's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alexis Ramirez enrolled in Medicare?

Yes. Alexis Ramirez 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 Alexis Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Ramirez reassigns Medicare benefits to Boston University Medical Center Anesthesiologists, 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 Alexis Ramirez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexis Ramirez accept?

Health plans from WellSense Health Plan list Alexis Ramirez 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.

Is Alexis Ramirez affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Alexis Ramirez was last updated on April 8, 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.