Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LOUISA LONG-HEI CHAN PMHNP
NPI 1215458708
Nurse Practitioner - Psychiatric/Mental Health in New York, NY

Active since July 05, 2017PECOS Enrolled
125 BROAD ST # 3, NEW YORK, NY 10004(510) 857-3927 Get Directions Write a Review

NPPES record last updated: October 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 27, 2026, Aug 6, 2018, Aug 5, 2018 and 2 more (5 updates tracked since 2017).

About Louisa Long-hei Chan Pmhnp NPPES

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

LOUISA LONG-HEI CHAN PMHNP (NPI 1215458708) is an individual psychiatric/mental health provider in New York, New York, licensed in New York (F402374) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1215458708
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameLOUISA LONG-HEI CHANCredential: PMHNP
Location Address125 BROAD ST # 3New York, NY 10004
Mailing AddressPo Box 24449New York, NY 10087-0589 · (833) 351-8255
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 5, 2017
Last NPPES UpdateOctober 27, 20265 updates tracked since enumeration
NPPES CertifiedOctober 27, 2026
✔ NPI 1215458708 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
Licenses✔ Licensed in NY · F402374✔ Licensed in KS · 86342
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 717787 (NY)
125 BROAD ST # 3, New York, NY 10004

Secondary Practice Locations 4

Location 1150 E 85th St Apt 9BNew York, NY 10028-2302 · Phone (510) 857-3927
Location 2109 W 27th St Rm 5SNew York, NY 10001-6208 · Phone (833) 351-8255
Location 38101 College Blvd Ste 100Overland Park, KS 66210-2671 · Phone (833) 351-8255
Location 4150 E 85th St, Apt 9BNew York, NY 10028 · Phone (510) 857-3927

Accepted Insurance

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

Louisa Long-hei Chan Pmhnp 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 ID9133472533
PECOS Enrollment IDI20181101001927
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 Louisa Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric/Mental Health
1740 84TH ST
Brooklyn, NY 11214
  • Reassigned Medicare billing, New York enrollment
  • 26 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.

Areas of Expertise CMS Part B claims 4

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
976 services425 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
308 services165 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
274 services273 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
57 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10004 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

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 Louisa Chan's NPI number?

The NPI number for Louisa Chan is 1215458708. It was assigned to this individual provider in the NPPES registry on July 5, 2017.

Where is Louisa Chan located?

Louisa Chan practices at 125 Broad St # 3, New York, NY 10004. The listed phone number is (510) 857-3927.

What is Louisa Chan's specialty?

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

Is Louisa Chan enrolled in Medicare?

Yes. Louisa Chan 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 Louisa Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louisa Chan reassigns Medicare benefits to Modern Psychiatric Nurse Practitioner PC (Brooklyn, NY). 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 Louisa Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Louisa Chan accept?

Health plans from UnitedHealthcare list Louisa Chan 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 Louisa Chan was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.