ALEXANDRIA ROSE HAIRSTON MD
NPI 1114503174
Allergy & Immunology - Allergy in Boston, MA

Active since March 21, 2021PECOS EnrolledAccepts Medicare Assignment
55 FRUIT ST, YAWKEY 4B, BOSTON, MA 02114(617) 724-9557 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 6, 2026, Apr 19, 2024, Apr 8, 2021 and 2 more (5 updates tracked since 2021).

About Alexandria Rose Hairston Md NPPES

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

ALEXANDRIA ROSE HAIRSTON MD (NPI 1114503174) is an individual allergy provider in Boston, Massachusetts, licensed in Massachusetts (1027125) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Howard University College Of Medicine (2021).

NPPES Registry Identity

NPI1114503174
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameALEXANDRIA ROSE HAIRSTONCredential: MD
Location Address55 FRUIT ST, YAWKEY 4BBoston, MA 02114-2696
Mailing Address55 Fruit St, Yawkey 4bBoston, MA 02114-2621
Sole ProprietorNo
Medical School CMSHoward University College Of MedicineGraduated 2021
Enumeration DateMarch 21, 2021
Last NPPES UpdateMay 6, 20265 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
✔ NPI 1114503174 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in MA · 1027125
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License 1027125 (MA)
55 FRUIT ST, Boston, MA 02114

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

Alexandria Rose Hairston Md 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 ID2860894714
PECOS Enrollment IDI20260820005104
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 Reassignments

2

Medicare enrollment records show Alexandria Hairston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 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.

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$18.89 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers11 claims11 services$80.72 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Alexandria Hairston's NPI number?

The NPI number for Alexandria Hairston is 1114503174. It was assigned to this individual provider in the NPPES registry on March 21, 2021.

Where is Alexandria Hairston located?

Alexandria Hairston practices at 55 Fruit St Yawkey 4B, Boston, MA 02114. The listed phone number is (617) 724-9557.

What is Alexandria Hairston's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Alexandria Hairston enrolled in Medicare?

Yes. Alexandria Hairston 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 organizations bill Medicare for Alexandria Hairston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandria Hairston reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each 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 Alexandria Hairston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandria Hairston accept?

Health plans from Anthem Blue Cross and Blue Shield list Alexandria Hairston 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 Alexandria Hairston affiliated with any hospitals?

According to CMS data, Alexandria Hairston is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Alexandria Hairston was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.