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COURTNEY JANE HARGREAVES MD
NPI 1346826104
Obstetrics & Gynecology - Maternal & Fetal Medicine in Boston, MA

Active since March 22, 2021PECOS Enrolled
800 WASHINGTON ST, BOSTON, MA 02111(508) 241-0002 Get Directions Write a Review

NPPES record last updated: March 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 24, 2025, Mar 22, 2021 (2 updates tracked since 2021).

About Courtney Jane Hargreaves Md NPPES

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

COURTNEY JANE HARGREAVES MD (NPI 1346826104) is an individual maternal & fetal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1022593) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1346826104
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameCOURTNEY JANE HARGREAVESCredential: MD
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (508) 241-0002
Phone(508) 241-0002
Sole ProprietorNo
Enumeration DateMarch 22, 2021
Last NPPES UpdateMarch 24, 20252 updates tracked since enumeration
NPPES CertifiedMarch 24, 2025
✔ NPI 1346826104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in MA · 1022593
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
800 WASHINGTON ST, Boston, MA 02111
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Secondary Practice Location 1

Location 122 Bramhall StPortland, ME 04102-3175 · Phone (207) 662-0111

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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)

Courtney Jane Hargreaves Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Courtney Hargreaves reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pratt Ob/Gyn Associates, Inc
Same address
Obstetrics & Gynecology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 93 clinicians in this Medicare group
NPI 1336186501 (617) 636-5000

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 02111 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

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 Courtney Hargreaves's NPI number?

The NPI number for Courtney Hargreaves is 1346826104. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Courtney Hargreaves located?

Courtney Hargreaves practices at 800 Washington St, Boston, MA 02111. The listed phone number is (508) 241-0002.

What is Courtney Hargreaves's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Courtney Hargreaves enrolled in Medicare?

Yes. Courtney Hargreaves is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Courtney Hargreaves's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Hargreaves reassigns Medicare benefits to Pratt Ob/Gyn Associates, Inc (Boston, MA). 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 Courtney Hargreaves's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Courtney Hargreaves accept?

Health plans from Taro Health list Courtney Hargreaves 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 Courtney Hargreaves was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.