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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CONNOR O'NEILL-DEE MD
NPI 1194301051
Internal Medicine - Nephrology in Boston, MA

Active since March 22, 2021PECOS Enrolled
725 ALBANY STREET, SUITE 8C, SHAPIRO BLDG, BOSTON, MA 02118(617) 414-8680(617) 414-8664 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2026, Mar 23, 2021 (2 updates tracked since 2021).

About Connor O'neill-dee Md NPPES

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

CONNOR O'NEILL-DEE MD (NPI 1194301051) is an individual nephrology provider in Boston, Massachusetts, licensed in Massachusetts (1023230) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (2021).

NPPES Registry Identity

NPI1194301051
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameCONNOR O'NEILL-DEECredential: MD
Location Address725 ALBANY STREET, SUITE 8C, SHAPIRO BLDGBoston, MA 02118-2526
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690
Phone(617) 414-8680
Fax(617) 414-8664
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2021
Enumeration DateMarch 22, 2021
Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1194301051 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in MA · 1023230
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 1023230 (MA)
725 ALBANY STREET, SUITE 8C, 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)

Connor O'neill-dee Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9436548807
PECOS Enrollment IDI20260715000073
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.

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

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

DR. SAYEED K. MALEK M.D.
Transplant Surgery
725 ALBANY STREET, SUITE 8C, SHAPIRO BLDG.
BOSTON, MA 02118
Suffolk County (617) 638-8430

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 Connor O'neill-dee's NPI number?

The NPI number for Connor O'neill-dee is 1194301051. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Connor O'neill-dee located?

Connor O'neill-dee practices at 725 Albany Street, Suite 8C Shapiro Bldg, Boston, MA 02118. The listed phone number is (617) 414-8680.

What is Connor O'neill-dee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Connor O'neill-dee enrolled in Medicare?

Yes. Connor O'neill-dee is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Connor O'neill-dee was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.