CHELMSFORD FAMILY PRACTICE, PC
NPI 1629082177
Family Medicine in North Chelmsford, MA

Active since July 28, 2006CLIA 22D0072137 · Microscopy
10 ADAMS ST, NORTH CHELMSFORD, MA 01863(978) 251-3159(978) 251-0636 Get Directions Write a Review

NPPES record last updated: May 23, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Chelmsford Family Practice, Pc NPPES

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

CHELMSFORD FAMILY PRACTICE, PC (NPI 1629082177) is a healthcare organization registered as a family medicine in North Chelmsford, Massachusetts and active in the NPI registry since July 2006. The organization holds a CLIA Microscopy certificate valid through March 30, 2028 and lists Jeffrey M Byrne, Owner, as its authorized official.

NPPES Registry Identity

NPI1629082177
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameCHELMSFORD FAMILY PRACTICE, PC
Location Address10 ADAMS STNorth Chelmsford, MA 01863-1746
Mailing AddressPo Box 248North Chelmsford, MA 01863-0248 · (978) 251-3159 · Fax (978) 251-0636
Fax(978) 251-0636
Organization SubpartNo
Authorized OfficialJeffrey M ByrneOwner · (978) 251-3159
Enumeration DateJuly 28, 2006
Last NPPES UpdateMay 23, 2008
✔ NPI 1629082177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
10 ADAMS ST, North Chelmsford, MA 01863

Other Identifiers 2

Medicare PINM20739MA
Medicaid9786619MA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chelmsford Family Practice, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMassachusettsEnrollment IDO20040727000273Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Chelmsford Family Practice, PC, which bills Medicare for the services they deliver. Of these, 7 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 4

Family Practice5
Nurse Practitioner5
Internal Medicine1
Preventive Medicine1

Clinicians, nearest first (12)

Nurse Practitioner
NPI 1871969535
10 ADAMS ST
North Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1235198334
10 ADAMS ST
N Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Preventive Medicine
NPI 1366637605
10 ADAMS ST
North Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1790599769
10 ADAMS ST
North Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1104885219
10 ADAMS ST
N Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1235717869
10 ADAMS ST
N Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1013976117
10 ADAMS ST
N Chelmsford, MA 01863
(978) 251-3159
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1700345980
529 MAIN ST STE B
Acton, MA 01720
(978) 635-1800
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1578016481
80 BEHARRELL ST
Concord, MA 01742
(781) 259-9292
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1245789361
800 TURNPIKE ST STE 300
North Andover, MA 01845
(978) 494-0441
✔ PECOS✔ Accepts Medicare14 mi
Internal Medicine
NPI 1114993516
235 WOODLAND N FL 2
Lynn, MA 01904
(781) 715-6608
✔ PECOS✔ Accepts Medicare23 mi
Family Practice
NPI 1215163019
50 LEOMINSTER RD
Sterling, MA 01564
(978) 422-5082
✔ PECOS✔ Accepts Medicare23 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 22D0072137

Chelmsford Family Practice · North Chelmsford, MA
Active · expires Mar 30, 2028
CLIA Number22D0072137
Laboratory TypePhysician Office
Certificate Effective DateMarch 31, 2026
Certificate Expiration DateMarch 30, 2028
Laboratory DirectorDr. Dan S. Nguyen
Laboratory Phone(978) 251-3159
Laboratory LocationChelmsford Family Practice10 Adams St, North Chelmsford, MA 01863
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Chelmsford Family Practice, PC's NPI number?

The NPI number for Chelmsford Family Practice, PC is 1629082177. It was assigned to this organization in the NPPES registry on July 28, 2006.

Where is Chelmsford Family Practice, PC located?

Chelmsford Family Practice, PC is located at 10 Adams St, North Chelmsford, MA 01863. The listed phone number is (978) 251-3159.

What is Chelmsford Family Practice, PC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Chelmsford Family Practice, PC enrolled in Medicare?

Yes. Chelmsford Family Practice, PC is registered in the Medicare PECOS enrollment system.

When is Chelmsford Family Practice, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Chelmsford Family Practice, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 4 Medicare specialties reassign their Medicare billing to Chelmsford Family Practice, PC. A 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 the clinician's services. The largest specialties are Family Practice (5), Nurse Practitioner (5) and Internal Medicine (1). Of these, 7 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Chelmsford Family Practice, PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 22D0072137) is associated with this NPI, valid through March 30, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Chelmsford Family Practice, PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Chelmsford Family Practice, PC 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 Chelmsford Family Practice, PC was last updated on May 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.