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CONNIE Y. CHEN MD
NPI 1770523862
Internal Medicine in Concord, MA

Active since June 07, 2006PECOS Enrolled
801 MAIN ST STE 8, CONCORD, MA 01742(978) 212-9088(781) 386-2577 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Connie Y. Chen Md NPPES

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

CONNIE Y. CHEN MD (NPI 1770523862) is an individual internal medicine provider in Concord, Massachusetts, licensed in Massachusetts (232150) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (1998).

NPPES Registry Identity

NPI1770523862
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCONNIE Y. CHENCredential: MD
Location Address801 MAIN ST STE 8Concord, MA 01742-3319
Mailing Address801 Main St Ste 8Concord, MA 01742-3319 · (978) 212-9088 · Fax (781) 386-2577
Phone(978) 212-9088
Fax(781) 386-2577
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1998
Enumeration DateJune 7, 2006
Last NPPES UpdateAugust 6, 2026
NPPES CertifiedAugust 6, 2026
✔ NPI 1770523862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 232150
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.
801 MAIN ST STE 8, Concord, MA 01742
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Other Identifiers 1

Medicaid110076091AMA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Connie Y. Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527073501
PECOS Enrollment IDI20070803000090
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Connie Chen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anchor Health Inc
Same address
Internal Medicine
801 MAIN ST STE 8
Concord, MA 01742
  • Reassigned Medicare billing, Massachusetts enrollment
NPI 1619834009 (781) 798-9157
Emerson Practice Associates, Inc.
0.3 mi
Internal Medicine
133 OLD ROAD TO NINE ACRE CORNER
Concord, MA 01742
  • Reassigned Medicare billing, Massachusetts enrollment
  • 451 clinicians in this Medicare group
NPI 1508020199 (978) 287-3022
Lahey Clinic, Inc
23 mi
Internal Medicine
1 ESSEX CENTER DR
Peabody, MA 01960
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,841 clinicians in this Medicare group
NPI 1063447316 (781) 744-8000

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
339 services202 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
184 services118 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
173 services173 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
33 services33 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
31 services31 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
22 services22 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number220075
Location243 Charles StreetBoston, MA 02114 · Suffolk County
Emergency services

Emerson Hospital -

Acute Care Hospitals · W Concord, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220084
Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · Middlesex County
Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01742 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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers17 claims36 services$5.27 avg. paid by Medicare
Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955
DME-Wheelchairs · category DD021N
2 suppliers17 claims17 services$11.41 avg. paid by Medicare
Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028
DME-Wheelchairs · category DD021N
2 suppliers17 claims17 services$11.65 avg. paid by Medicare
Manual adult size wheelchair, includes tilt in space E1161
DME-Wheelchairs · category DD000N
2 suppliers17 claims17 services$168.90 avg. paid by Medicare
Wheelchair accessory, manual semi-reclining back, (recline greater than 15 degrees, but less than 80 degrees), each E1225
DME-Wheelchairs · category DD021N
1 supplier12 claims12 services$26.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

NEW ENGLAND ORTHOTIC & PROSTHETIC SYSTEMS, LLC
Prosthetic/Orthotic Supplier
801 MAIN ST STE 8
CONCORD, MA 01742
Middlesex County (978) 371-1684
ANCHOR HEALTH INC
Internal Medicine
801 MAIN ST STE 8
CONCORD, MA 01742
Middlesex County (781) 798-9157

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 Connie Chen's NPI number?

The NPI number for Connie Chen is 1770523862. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Connie Chen located?

Connie Chen practices at 801 Main St Ste 8, Concord, MA 01742. The listed phone number is (978) 212-9088.

What is Connie Chen's specialty?

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

Is Connie Chen enrolled in Medicare?

Yes. Connie Chen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Connie Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Connie Chen reassigns Medicare benefits to 3 organizations: Anchor Health Inc (Concord, MA), Emerson Practice Associates, Inc. (Concord, MA) and Lahey Clinic, Inc (Peabody, MA). Each 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 Connie Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Connie Chen accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Connie Chen 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.

Is Connie Chen affiliated with any hospitals?

According to CMS data, Connie Chen is affiliated with Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary -, Emerson Hospital -, Beth Israel Deaconess Medical Center and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Connie Chen was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.