NANCY I JOSEPH DO
NPI 1144649575
Allergy & Immunology in Boston, MA

Active since April 14, 2014PECOS EnrolledAccepts Medicare Assignment
75 STATE ST FL 26, BOSTON, MA 02109(617) 204-3500 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 8, 2025, May 15, 2024, May 23, 2023 and 3 more (6 updates tracked since 2019).

About Nancy I Joseph Do NPPES

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

NANCY I JOSEPH DO (NPI 1144649575) is an individual allergy & immunology provider in Boston, Massachusetts, licensed in Minnesota (76966) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Ohio University, College Of Osteopathic Medicine (2014).

NPPES Registry Identity

NPI1144649575
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameNANCY I JOSEPHCredential: DO
Location Address75 STATE ST FL 26Boston, MA 02109-1827
Mailing Address75 State St Fl 26Boston, MA 02109-1827
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2014
Enumeration DateApril 14, 2014
Last NPPES UpdateMay 8, 20256 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1144649575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in MN · 76966✔ Licensed in OH · 34.013012✔ Licensed in IL · 036.174806✔ Licensed in MA · 281421✔ Licensed in NY · 297572
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 281421 (MA)
75 STATE ST FL 26, Boston, MA 02109

Secondary Practice Locations 5

Location 133 Cohasset Ave Ste 2Buzzards Bay, MA 02532-3270 · Phone (508) 759-7555
Location 2143 Longwater DrNorwell, MA 02061-1683 · Phone (781) 878-5200
Location 3Department Of Pediatrics Hsc T 11, Room 040Stony Brook, NY 11794-8111 · Phone (631) 444-2020 · Fax (631) 444-2894
Location 4400 E 3rd StDuluth, MN 55805-1951 · Phone (218) 786-8364
Location 5720 N Bond StSpringfield, IL 62702-4952 · Phone (217) 545-8000 · Fax (217) 545-6544

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

Nancy I Joseph Do 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 ID7012249907
PECOS Enrollment IDI20250625000039
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

4

Medicare enrollment records show Nancy Joseph reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
541 MAIN ST, SUITE 400
South Weymouth, MA 02190
  • Reassigned Medicare billing, Massachusetts enrollment
  • 419 clinicians in this Medicare group
Internal Medicine
143 LONGWATER DRIVE
Norwell, MA 02061
  • Reassigned Medicare billing, Massachusetts enrollment
  • 346 clinicians in this Medicare group
Multi-Specialty
11100 EUCLID AVE
Cleveland, OH 44106
  • Reassigned Medicare billing, Ohio enrollment
  • 3,958 clinicians in this Medicare group
Endocrinology, Diabetes & Metabolism
201 E MADISON ST STE 328
Springfield, IL 62702
  • Reassigned Medicare billing, Illinois enrollment
  • 645 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.

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.

Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers12 claims840 services$35.71 avg. paid by Medicare
Services, supplies and accessories used in the home under the medicare intravenous immune globulin (ivig) demonstration Q2052
Treatment-Chemotherapy · category RH012N
2 suppliers12 claims12 services$309.88 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 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
75 STATE ST FL 26
BOSTON, MA 02109
Emergency Medicine
75 STATE ST FL 26
BOSTON, MA 02109
Social Worker (Clinical)
75 STATE ST FL 26
BOSTON, MA 02109
Psychologist
75 STATE ST FL 26
BOSTON, MA 02109
Clinical Nurse Specialist (Family Health)
75 STATE ST FL 26
BOSTON, MA 02109
Pediatrics
75 STATE ST FL 26
BOSTON, MA 02109
Hospitalist
75 STATE ST FL 26
BOSTON, MA 02109
General Practice
75 STATE ST FL 26
BOSTON, MA 02109

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 Nancy Joseph's NPI number?

The NPI number for Nancy Joseph is 1144649575. It was assigned to this individual provider in the NPPES registry on April 14, 2014.

Where is Nancy Joseph located?

Nancy Joseph practices at 75 State St Fl 26, Boston, MA 02109. The listed phone number is (617) 204-3500.

What is Nancy Joseph's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Nancy Joseph enrolled in Medicare?

Yes. Nancy Joseph 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 Nancy Joseph's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Joseph reassigns Medicare benefits to 4 organizations: Harbor Medical Associates, Inc. (South Weymouth, MA), South Shore Medical Center, Inc. (Norwell, MA), University Hospitals Medical Group Inc (Cleveland, OH) and Siu Physicians & Surgeons, Inc (Springfield, IL). 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 Nancy Joseph's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Joseph accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Taro Health list Nancy Joseph 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 Nancy Joseph was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.