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EMERSON PRACTICE ASSOCIATES, INC.
NPI 1508020199
Internal Medicine in Concord, MA

Active since July 14, 2008CLIA Certified · 3 labs
133 OLD ROAD TO NINE ACRE CORNER, CONCORD, MA 01742(978) 287-3022 Get Directions Write a Review

NPPES record last updated: April 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 11, 2024, Jun 22, 2023, Dec 9, 2022 and 2 more (5 updates tracked since 2016).

About Emerson Practice Associates, Inc. NPPES

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

EMERSON PRACTICE ASSOCIATES, INC. (NPI 1508020199) is a healthcare organization registered as an internal medicine in Concord, Massachusetts and active in the NPI registry since July 2008. The organization holds 3 active CLIA laboratory certificates, maintains 13 additional practice locations, and lists Scott T Kosowicz, Sr. Director Finance, as its authorized official.

NPPES Registry Identity

NPI1508020199
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameEMERSON PRACTICE ASSOCIATES, INC.
Location Address133 OLD ROAD TO NINE ACRE CORNERConcord, MA 01742-4159
Mailing AddressPo Box 411581Boston, MA 02241-2503 · (978) 287-3000 · Fax (978) 287-3022
Phone(978) 287-3022
Organization SubpartNo
Authorized OfficialScott T KosowiczSr. Director Finance · (978) 287-7496
Enumeration DateJuly 14, 2008
Last NPPES UpdateApril 11, 20245 updates tracked since enumeration
NPPES CertifiedApril 11, 2024
✔ NPI 1508020199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedHospitalistTaxonomy 208M00000X
Also ListedClinic/Center · Physical TherapyTaxonomy 261QP2000X
Also ListedNurse PractitionerTaxonomy 363L00000X
133 OLD ROAD TO NINE ACRE CORNER, Concord, MA 01742
Open in Google Maps ↗

Secondary Practice Locations 13

Location 138 Highland Commons LaneHudson, MA 01749 · Phone (978) 287-8990
Location 23 Digital WayMaynard, MA 01754-2269 · Phone (978) 287-8990
Location 3100 Boston Rd Ste 4Groton, MA 01450-1879 · Phone (978) 448-4300
Location 4411 Mass Ave Ste 205Acton, MA 01720-3739 · Phone (978) 263-2898
Location 5200 Baker Ave Ste 217Concord, MA 01742-2178 · Phone (978) 287-7495
Location 655 North Rd Ste 120Bedford, MA 01730-1078 · Phone (339) 215-5100
Location 79 Mill and Main Pl Ste 101Maynard, MA 01754-2651 · Phone (978) 371-5386
Location 8490 Boston Post Rd Ste 2001Sudbury, MA 01776-3392 · Phone (978) 579-6018
Location 954 Baker Avenue Ext Ste 203Concord, MA 01742-2137 · Phone (978) 287-3194
Location 1021 Main StMaynard, MA 01754-2505 · Phone (978) 287-8767
Location 11131 Old Road To 9 Acre Cor Ste 770490Concord, MA 01742-4181 · Phone (978) 371-5386
Location 12830 Constitution AveLittleton, MA 01460-1137 · Phone (978) 287-8990
Location 13310 Baker Ave Ste 175Concord, MA 01742-2140 · Phone (978) 287-3835

Other Identifiers 2

MedicaidPENDINGMA
OtherM15300MA · Bcbs Ma

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emerson Practice Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

448

Medicare enrollment records show 448 clinicians reassign Medicare billing to Emerson Practice Associates, Inc., which bills Medicare for the services they deliver. Of these, 18 practice at this address and 102 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 41

Internal Medicine108
Nurse Practitioner86
Pediatric Medicine27
Psychiatry27
Hospitalist22
Diagnostic Radiology18
Emergency Medicine17
Family Practice16
33 other specialties127

Nearest to this location (20)

See all 448
Rupenkumar Amin, M.D.
Critical Care (Intensivists)
NPI 1568625820
133 OLD ROAD TO NINE ACRE CORNER
Concord, MA 01742
(978) 466-4396
✔ PECOS✔ Accepts MedicareSame address
Edward Chung, M.D.
Pediatric Medicine
NPI 1730286055
133 OLD ROAD TO NINE ACRE CORNER
Concord, MA 01742
(978) 369-1400
✔ PECOSSame address
Ashley Pickering Brown, NP-C, CDE
Nurse Practitioner
NPI 1700394590
133 OLD ROAD TO NINE ACRE CORNER EMERSON HOSPITAL NURSING EDUCATION
Concord, MA 01742
(978) 287-3054
✔ PECOSSame address
Melissa Piech, M.D.
Endocrinology
NPI 1326240730
131 OLD ROAD TO NINE ACRE CORNER JOHN CUMING BUILDING, SUITE 770
Concord, MA 01742
(978) 287-8520
✔ PECOSSame address
Mark Connaughton, M.D.
Diagnostic Radiology
NPI 1548350481
133 OLD ROAD TO NINE ACRE CORNER RADIOLOGY DEPARTMENT
Concord, MA 01742
(978) 287-3700
✔ PECOS✔ Accepts MedicareSame address
Jane Fay, M.D.
Diagnostic Radiology
NPI 1659461598
133 OLD ROAD TO NINE ACRE CORNER RADIOLOGY DEPARTMENT
Concord, MA 01742
(978) 287-3700
✔ PECOS✔ Accepts MedicareSame address
Lihang Chen, M.D.
Internal Medicine
NPI 1326487158
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 287-3321
✔ PECOS✔ Accepts MedicareSame address
Karen Fanucci, MD
Internal Medicine
NPI 1679545339
131 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 371-7778
✔ PECOS✔ Accepts MedicareSame address
Jeremy Garneau
Internal Medicine
NPI 1417698135
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 287-3167
✔ PECOS✔ Accepts MedicareSame address
Shahab Shayesteh, MD
Internal Medicine
NPI 1083291603
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 287-3321
✔ PECOS✔ Accepts MedicareSame address
Julian Lel, M.D.
Internal Medicine
NPI 1750680427
131 OLD ROAD TO NAC COR BLDG SUITE660
Concord, MA 01742
(978) 369-4238
✔ PECOS✔ Accepts MedicareSame address
Peter Benjamin, M.D.
Internal Medicine
NPI 1073669248
133 ORNAC
Concord, MA 01742
(978) 287-3627
✔ PECOS✔ Accepts MedicareSame address
Claire Carrazco, DO
Osteopathic Manipulative Medicine
NPI 1952711830
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 369-1400
✔ PECOS✔ Accepts MedicareSame address
Eric Hatton, MD
Internal Medicine
NPI 1841287281
133 ORNAC
Concord, MA 01742
(978) 369-1400
✔ PECOS✔ Accepts MedicareSame address
Elizabeth Peters, M.D.
Diagnostic Radiology
NPI 1396783676
133 ORNAC EMERSON HOSPITAL
Concord, MA 01742
(978) 287-3700
✔ PECOS✔ Accepts MedicareSame address
Catherine Price, MD
Internal Medicine
NPI 1528007556
133 ORNAC
Concord, MA 01742
(978) 287-3018
✔ PECOS✔ Accepts MedicareSame address
Corinne Sadoski, M.D.
Diagnostic Radiology
NPI 1790875631
133 OLD ROAD NINE ACRE CORNER RADIOLOGY DEPARTMENT
Concord, MA 01742
(978) 287-3700
✔ PECOS✔ Accepts MedicareSame address
Jessie Taylor, N.P.
Nurse Practitioner
NPI 1235467598
133 ORNAC EMERSON HOSPITAL PEDIATRIC DEPT.
Concord, MA 01742
(978) 369-1400
✔ PECOSSame address
Peter Barkin, MD
Pulmonary Disease
NPI 1144298621
131 ORNAC SUITE 660
Concord, MA 01742
(978) 369-4238
✔ PECOS✔ Accepts Medicare0.1 mi
Andrea Fribush, M.D.
Gastroenterology
NPI 1336107309
131 ORNAC SUITE 570
Concord, MA 01742
(978) 371-7176
✔ PECOS✔ Accepts Medicare0.1 mi
See all 448 clinicians

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 3

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 of Waiver 22D2131812

Emerson Practice Associates · Bedford, MA
Active · expires Sep 4, 2028
CLIA Number22D2131812
Laboratory TypePhysician Office
Certificate Effective DateSeptember 5, 2026
Certificate Expiration DateSeptember 4, 2028
Laboratory DirectorRussell S. Zide
Laboratory Phone(339) 215-5100
Laboratory LocationEmerson Practice Associates55 North Road Suite 120, Bedford, MA 01730
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 22D2117569

Emerson Practice Associates · Sudbury, MA
Active · expires Aug 18, 2028
CLIA Number22D2117569
Laboratory TypePhysician Office
Certificate Effective DateAugust 19, 2026
Certificate Expiration DateAugust 18, 2028
Laboratory DirectorAndrea Rizzo
Laboratory Phone(978) 579-6029
Laboratory LocationEmerson Practice Associates490 Boston Post Road Ste 2001, Sudbury, MA 01776
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 22D2078324

Emerson Practice Associates · Maynard, MA
Active · expires May 26, 2028
CLIA Number22D2078324
Laboratory TypePhysician Office
Certificate Effective DateMay 27, 2026
Certificate Expiration DateMay 26, 2028
Laboratory DirectorKaren Fanucci
Laboratory Phone(978) 823-0023
Laboratory LocationEmerson Practice Associates21 Main Street, Maynard, MA 01754
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only 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 Emerson Practice Associates, Inc.'s NPI number?

The NPI number for Emerson Practice Associates, Inc. is 1508020199. It was assigned to this organization in the NPPES registry on July 14, 2008.

Where is Emerson Practice Associates, Inc. located?

Emerson Practice Associates, Inc. is located at 133 Old Road To Nine Acre Corner, Concord, MA 01742. The listed phone number is (978) 287-3022.

What is Emerson Practice Associates, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Emerson Practice Associates, Inc. enrolled in Medicare?

Yes. Emerson Practice Associates, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Emerson Practice Associates, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 448 clinicians in 41 Medicare specialties reassign their Medicare billing to Emerson Practice Associates, Inc.. 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 Internal Medicine (108), Nurse Practitioner (86) and Pediatric Medicine (27). Of these, 18 practice at this address and 102 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Emerson Practice Associates, Inc. hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Emerson Practice Associates, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Emerson Practice Associates, Inc. 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 Emerson Practice Associates, Inc. was last updated on April 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.