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EMERSON PRACTICE ASSOCIATES II, INC.
NPI 1427383645
Internal Medicine - Cardiovascular Disease in Concord, MA

Active since October 06, 2009CLIA Certified · 2 labs
133 OLD ROAD TO 9 ACRE COR, CONCORD, MA 01742(978) 287-3234(978) 287-3102 Get Directions Write a Review

NPPES record last updated: October 28, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Emerson Practice Associates Ii, Inc. NPPES

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

EMERSON PRACTICE ASSOCIATES II, INC. (NPI 1427383645) is a healthcare organization registered as a cardiovascular disease in Concord, Massachusetts and active in the NPI registry since October 2009. The organization holds 2 active CLIA laboratory certificates and lists Scott T Kosowicz, Sr. Director Finance, as its authorized official.

NPPES Registry Identity

NPI1427383645
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameEMERSON PRACTICE ASSOCIATES II, INC.
Location Address133 OLD ROAD TO 9 ACRE CORConcord, MA 01742-4159
Mailing Address133 Old Road To 9 Acre CorConcord, MA 01742-4159 · (978) 287-3321 · Fax (978) 287-3102
Phone(978) 287-3234
Fax(978) 287-3102
Organization SubpartYesParent: Emerson Health System
Authorized OfficialScott T KosowiczSr. Director Finance · (603) 393-8256
Enumeration DateOctober 6, 2009
Last NPPES UpdateOctober 28, 2021
NPPES CertifiedOctober 27, 2021
✔ NPI 1427383645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
133 OLD ROAD TO 9 ACRE COR, Concord, MA 01742
Open in Google Maps ↗

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

Clinicians Billing Medicare Through This Organization

72

Medicare enrollment records show 72 clinicians reassign Medicare billing to Emerson Practice Associates II, Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 14 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Certified Registered Nurse Anesthetist (CRNA)36
Anesthesiology34
Neurology1
Nurse Practitioner1

Nearest to this location (20)

See all 72
Emily Bouley, M.D.
Anesthesiology
NPI 1881077378
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 287-3162
✔ PECOS✔ Accepts MedicareSame address
Rachael Greenleaf, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1558847525
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 369-1400
✔ PECOS✔ Accepts MedicareSame address
Walid Zairi, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1558808428
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 369-1400
✔ PECOS✔ Accepts MedicareSame address
Matthew Mackos, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1912838327
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 369-1400
✔ PECOS1.7 mi
Alexia Caprio, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1063728343
133 OLD ROAD TO NINE ACRE CORNER
Concord, MA 01742
(401) 749-1654
✔ PECOS✔ Accepts Medicare1.7 mi
Jill Duchesne
Certified Registered Nurse Anesthetist (CRNA)
NPI 1801274782
133 ORNAC
Concord, MA 01742
(987) 287-1400
✔ PECOS✔ Accepts Medicare1.7 mi
Sanjiv Kumar, M.D.
Anesthesiology
NPI 1295725778
133 ORNAC
Concord, MA 01742
(978) 287-3162
✔ PECOS✔ Accepts Medicare1.7 mi
Agnes Virga, M. D.
Neurology
NPI 1184614414
411 MASS AVE
Acton, MA 01720
(978) 263-2898
✔ PECOS✔ Accepts Medicare3.7 mi
Mark Moschella, MD
Anesthesiology
NPI 1316929714
133 ORNAC
Concord, MA 01742
(978) 287-3162
✔ PECOS✔ Accepts Medicare5.3 mi
Alexander Talarico, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1659839751
158 KIRKLAND DR
Stow, MA 01775
(781) 789-4168
✔ PECOS✔ Accepts Medicare6.7 mi
Sarah Corey, FNP-C
Nurse Practitioner
NPI 1972906360
35 LAKE SHORE DR
Littleton, MA 01460
(908) 310-7787
✔ PECOS6.8 mi
Bridgette Jonas, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1427061779
4 LINCOLN DR
Littleton, MA 01460
(781) 899-5632
✔ PECOS✔ Accepts Medicare6.9 mi
Karapet Guyumdzhyan, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1215257548
1440 MAIN ST
Waltham, MA 02451
(781) 891-9300
✔ PECOS✔ Accepts Medicare8.4 mi
Matthew Levine, DO
Anesthesiology
NPI 1629605605
71 BORDER RD STE 101
Waltham, MA 02451
(781) 895-4901
✔ PECOS8.9 mi
Sohin Patel, M.D.
Anesthesiology
NPI 1366647208
41 MALL RD LAHEY HOSPITAL AND MEDICAL CENTER
Burlington, MA 01805
(781) 744-8132
✔ PECOS✔ Accepts Medicare11 mi
Marten Wolckenhaar, M.D.
Anesthesiology
NPI 1881651099
LAHEY CLINIC 41 MALL RD.
Burlington, MA 01805
(781) 744-8132
✔ PECOS✔ Accepts Medicare11 mi
Michelle Duggan, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1174782650
115 LINCOLN ST
Framingham, MA 01702
(508) 875-1600
✔ PECOS✔ Accepts Medicare11 mi
Joseph Clemenzi, SRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1225602915
41 MALL RD
Burlington, MA 01805
(781) 744-8000
✔ PECOS✔ Accepts Medicare12 mi
Benjamin Unger, M.D.
Anesthesiology
NPI 1952361180
86 CHAPEL ST
Newton, MA 02458
(917) 259-9371
✔ PECOS✔ Accepts Medicare12 mi
Nancy Tomao, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1558467001
41 MALL RD
Burlington, MA 01805
(781) 744-8000
✔ PECOS✔ Accepts Medicare13 mi
See all 72 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 2

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 22D2142000

Emerson Practice Associates · Concord, MA
Active · expires Dec 28, 2027
CLIA Number22D2142000
Laboratory TypePhysician Office
Certificate Effective DateDecember 29, 2025
Certificate Expiration DateDecember 28, 2027
Laboratory DirectorJohn Libertino
Laboratory Phone(978) 287-3321
Laboratory LocationEmerson Practice Associates131 Old Road To Nine Acre Corner Ste 230, Concord, MA 01742
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 22D2289206

Emerson Practice Associates · Concord, MA
Active · expires Sep 6, 2027
CLIA Number22D2289206
Laboratory TypePhysician Office
Certificate Effective DateSeptember 7, 2025
Certificate Expiration DateSeptember 6, 2027
Laboratory DirectorCraig Best
Laboratory Phone(978) 371-5394
Laboratory LocationEmerson Practice Associates131 Ornac, Jcb 780, Concord, MA 01742
CLIA data matches this NPI record on: Name
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 Emerson Practice Associates II, Inc.'s NPI number?

The NPI number for Emerson Practice Associates II, Inc. is 1427383645. It was assigned to this organization in the NPPES registry on October 6, 2009.

Where is Emerson Practice Associates II, Inc. located?

Emerson Practice Associates II, Inc. is located at 133 Old Road To 9 Acre Cor, Concord, MA 01742. The listed phone number is (978) 287-3234.

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

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Emerson Practice Associates II, Inc. enrolled in Medicare?

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

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

According to the CMS Revalidation Reassignment List (October 2026 release), 72 clinicians in 4 Medicare specialties reassign their Medicare billing to Emerson Practice Associates II, 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 Certified Registered Nurse Anesthetist (CRNA) (36), Anesthesiology (34) and Neurology (1). Of these, 3 practice at this address and 14 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

Yes. 2 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 II, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield list Emerson Practice Associates II, 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 II, Inc. was last updated on October 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.