MS. MARY C. CHANG D.O.
NPI 1407870389
Obstetrics & Gynecology in Haverhill, MA

Active since July 26, 2006PECOS Enrolled
600 PRIMROSE ST STE 202, HAVERHILL, MA 01830(978) 556-1000(978) 556-0094 Get Directions Write a Review

NPPES record last updated: October 18, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 18, 2021, Jun 9, 2021 (2 updates tracked since 2021).

About Ms. Mary C. Chang D.o. NPPES

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

MS. MARY C. CHANG D.O. (NPI 1407870389) is an individual obstetrics & gynecology provider in Haverhill, Massachusetts, licensed in Massachusetts (243524) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407870389
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMS. MARY C. CHANGCredential: D.O.
Location Address600 PRIMROSE ST STE 202Haverhill, MA 01830-2659
Mailing Address24 Morrill Pl Ste 2Amesbury, MA 01913-3530 · (978) 834-8074 · Fax (978) 834-8077
Fax(978) 556-0094
Sole ProprietorNo
Enumeration DateJuly 26, 2006
Last NPPES UpdateOctober 18, 20212 updates tracked since enumeration
NPPES CertifiedOctober 18, 2021
NPI 1407870389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in MA · 243524
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License K1390 (TX)
600 PRIMROSE ST STE 202, Haverhill, MA 01830

Other Identifiers 3

OtherK1390TX · State License
Other8P0851TX · Bc/bs
Medicaid039764802TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Mary C. Chang D.o. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01830 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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 11

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

Advanced Practice Midwife
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Obstetrics & Gynecology
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Obstetrics & Gynecology
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Advanced Practice Midwife
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Obstetrics & Gynecology
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Advanced Practice Midwife
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Nurse Practitioner
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830
Nurse Practitioner (Women's Health)
600 PRIMROSE ST STE 202
HAVERHILL, MA 01830

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 Mary Chang's NPI number?

The NPI number for Mary Chang is 1407870389. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Mary Chang located?

Mary Chang practices at 600 Primrose St Ste 202, Haverhill, MA 01830. The listed phone number is (978) 556-1000.

What is Mary Chang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mary Chang enrolled in Medicare?

Yes. Mary Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Chang was last updated on October 18, 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.