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DR. ANNETTE H CHEN M.D.
NPI 1215928593
Obstetrics & Gynecology - Gynecologic Oncology in Worcester, MA

Active since November 04, 2005PECOS EnrolledAccepts Medicare Assignment
119 BELMONT ST, DEPARTMENT OF OBSTETRICS & GYNECOLOGY, WORCESTER, MA 01605(508) 334-1160 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Annette H Chen M.d. NPPES

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

DR. ANNETTE H CHEN M.D. (NPI 1215928593) is an individual gynecologic oncology provider in Worcester, Massachusetts, licensed in Massachusetts (81912) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1992).

NPPES Registry Identity

NPI1215928593
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameDR. ANNETTE H CHENCredential: M.D.
Location Address119 BELMONT ST, DEPARTMENT OF OBSTETRICS & GYNECOLOGYWorcester, MA 01605-2903
Mailing AddressPo Box 62, Turnpike StationShrewsbury, MA 01545-0062 · (508) 334-8815 · Fax (508) 334-5374
Phone(508) 334-1160
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1992
Enumeration DateNovember 4, 2005
Last NPPES UpdateDecember 13, 2021
✔ NPI 1215928593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in MA · 81912
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
119 BELMONT ST, Worcester, MA 01605
Open in Google Maps ↗

Other Identifiers 1

Medicaid3152146MA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Annette H Chen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416085584
PECOS Enrollment IDI20100511000422
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 Reassignment

Medicare enrollment records show Annette Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
2,601 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01605 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
$177.36 typical visit price
range $58.86 – $177.36
Typical copayment $44.34 (range $14.71 – $44.34)
Most-billed visit code 99205
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Other Providers at the Same Location NPPES 20

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

DR. PANKAJ ANIL KSHEERSAGAR M.B.B.S.,M.D
Family Medicine
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-5571
JASON D YANG
Internal Medicine (Rheumatology)
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-5224
SANDRA BELLINI N.P.
Nurse Practitioner (Neonatal, Critical Care)
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-6470
BENJAMIN D. HAMAR MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-0550
WALTER J ZAWACKI NP
Nurse Practitioner
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-8934
CARYN SULLIVAN LCSW
Social Worker
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-1000
WAYNE WAYFU CHAN M.D.
Orthopaedic Surgery
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-9750
NICHOLAS PAICOS PA STUDENT
Physician Assistant
119 BELMONT ST
WORCESTER, MA 01605
Worcester County (508) 334-8515

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 Annette Chen's NPI number?

The NPI number for Annette Chen is 1215928593. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Annette Chen located?

Annette Chen practices at 119 Belmont St Department Of Obstetrics & Gynecology, Worcester, MA 01605. The listed phone number is (508) 334-1160.

What is Annette Chen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Annette Chen enrolled in Medicare?

Yes. Annette Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Annette Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annette Chen reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Annette Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Annette Chen was last updated on December 13, 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.