MONYWHONG CHAU PMHNP
NPI 1730612417
Nurse Practitioner - Psychiatric/Mental Health in Lowell, MA

Active since April 10, 2017PECOS Enrolled
161 JACKSON ST, LOWELL, MA 01852(978) 995-1995 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 17, 2018, Apr 10, 2017 (2 updates tracked since 2017).

About Monywhong Chau Pmhnp NPPES

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

MONYWHONG CHAU PMHNP (NPI 1730612417) is an individual psychiatric/mental health provider in Lowell, Massachusetts, licensed in Massachusetts (RN2275698) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730612417
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMONYWHONG CHAUCredential: PMHNP
Location Address161 JACKSON STLowell, MA 01852-2103
Mailing Address161 Jackson StLowell, MA 01852-2103
Sole ProprietorYes
Enumeration DateApril 10, 2017
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1730612417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2275698
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2275698 (MA)
161 JACKSON ST, Lowell, MA 01852

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Monywhong Chau Pmhnp 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 Reassignments

2

Medicare enrollment records show Monywhong Chau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
161 JACKSON ST
Lowell, MA 01852
  • Reassigned Medicare billing, Massachusetts enrollment
  • 135 clinicians in this Medicare group
Specialist
9 GALEN ST
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,103 clinicians in this Medicare group

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 01852 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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.

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.

Optometrist
161 JACKSON ST
LOWELL, MA 01852
Counselor (Addiction (Substance Use Disorder))
161 JACKSON ST
LOWELL, MA 01852
Counselor (Mental Health)
161 JACKSON ST
LOWELL, MA 01852
Preventive Medicine (Addiction Medicine)
161 JACKSON ST
LOWELL, MA 01852
Advanced Practice Midwife
161 JACKSON ST
LOWELL, MA 01852
Advanced Practice Midwife
161 JACKSON ST
LOWELL, MA 01852
Registered Nurse (Community Health)
161 JACKSON ST
LOWELL, MA 01852
Counselor (Addiction (Substance Use Disorder))
161 JACKSON ST
LOWELL, MA 01852

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 Monywhong Chau's NPI number?

The NPI number for Monywhong Chau is 1730612417. It was assigned to this individual provider in the NPPES registry on April 10, 2017.

Where is Monywhong Chau located?

Monywhong Chau practices at 161 Jackson St, Lowell, MA 01852. The listed phone number is (978) 995-1995.

What is Monywhong Chau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Monywhong Chau enrolled in Medicare?

Yes. Monywhong Chau is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Monywhong Chau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monywhong Chau reassigns Medicare benefits to 2 organizations: Lowell Community Health Center, Inc. (Lowell, MA) and Steward Medical Group, Inc (Watertown, 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 Monywhong Chau'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 Monywhong Chau was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.