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GREGORY NIELSEN
NPI 1629606181
Dentist - General Practice in North Billerica, MA

Active since March 31, 2020PECOS Enrolled
315 BOSTON RD, NORTH BILLERICA, MA 01862(978) 391-6783 Get Directions Write a Review

NPPES record last updated: October 6, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 6, 2022, Mar 31, 2020 (2 updates tracked since 2020).

About Gregory Nielsen NPPES

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

GREGORY NIELSEN (NPI 1629606181) is an individual general practice provider in North Billerica, Massachusetts, licensed in Massachusetts (DN1859444) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and maintains a secondary practice location in Charlottesville.

NPPES Registry Identity

NPI1629606181
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameGREGORY NIELSEN
Location Address315 BOSTON RDNorth Billerica, MA 01862-2635
Mailing Address1215 Lee St # 800740Charlottesville, VA 22908-0816 · (434) 924-1774 · Fax (434) 243-6378
Phone(978) 391-6783
Sole ProprietorNo
Enumeration DateMarch 31, 2020
Last NPPES UpdateOctober 6, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2022
✔ NPI 1629606181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MA · DN1859444
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Also ListedDentistTaxonomy 122300000X · License DN1859444 (MA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
315 BOSTON RD, North Billerica, MA 01862
Open in Google Maps ↗

Secondary Practice Location 1

Location 11215 Lee St # 800740Charlottesville, VA 22908-0816 · Phone (434) 924-1774 · Fax (434) 243-6378

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Nielsen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 01862 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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 3

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

CHARLES C HUR DMD PC
Dentist
315 BOSTON RD
NORTH BILLERICA, MA 01862
Middlesex County (978) 262-0023
NORTH BILLERICA SMILES, LLC.
Clinic/Center (Dental)
315 BOSTON RD
NORTH BILLERICA, MA 01862
Middlesex County (978) 804-3641
DR. NEETI DESAI DMD
Dentist
315 BOSTON RD
NORTH BILLERICA, MA 01862
Middlesex County (978) 262-0023

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 Gregory Nielsen's NPI number?

The NPI number for Gregory Nielsen is 1629606181. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Gregory Nielsen located?

Gregory Nielsen practices at 315 Boston Rd, North Billerica, MA 01862. The listed phone number is (978) 391-6783.

What is Gregory Nielsen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Gregory Nielsen enrolled in Medicare?

Yes. Gregory Nielsen is registered in the Medicare PECOS enrollment system.

What insurance does Gregory Nielsen accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Gregory Nielsen 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 Gregory Nielsen was last updated on October 6, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.