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

GRETCHEN CHAN FNP
NPI 1538645957
Nurse Practitioner - Family in Eastchester, NY

Active since July 18, 2018PECOS EnrolledAccepts Medicare Assignment
375 WHITE PLAINS RD, EASTCHESTER, NY 10709(512) 324-4780 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 5, 2025, Feb 28, 2025, Jul 18, 2018 (3 updates tracked since 2018).

About Gretchen Chan Fnp NPPES

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

GRETCHEN CHAN FNP (NPI 1538645957) is an individual family provider in Eastchester, New York, licensed in New York (354799) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1538645957
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameGRETCHEN CHANCredential: FNP
Location Address375 WHITE PLAINS RDEastchester, NY 10709-2826
Mailing Address375 White Plains RdEastchester, NY 10709-2826
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 18, 2018
Last NPPES UpdateJune 12, 20263 updates tracked since enumeration
NPPES CertifiedJune 12, 2026
NPI 1538645957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses Licensed in NY · 354799 Licensed in TX · AP137862 Licensed in GA · GAA-NP005228
Also ListedFamily MedicineTaxonomy 207Q00000X · License NP200006280 (DC), 857507 (NV), 113869 (NE), 278738 (AZ), AP61350350 (WA), C-APN-0002065-C-NP (CO), 53-80701-061 (KS), SP032176 (PA), 95024282 (CA), 10824 (CT), 26NJ01310400 (NJ), 5022731 (NC)
375 WHITE PLAINS RD, Eastchester, NY 10709

Other Names 1

Former Name (1)Gretchen Musgrave

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gretchen Chan Fnp 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 ID6800140591
PECOS Enrollment IDI20240528001458, I20240613002047, I20251010000065
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.

Areas of Expertise CMS Part B claims 9

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.

Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489
Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.
439 services75 patients
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458
This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
118 services41 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
115 services59 patients
Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487
Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.
102 services75 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
93 services68 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
69 services53 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10709 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
98%683 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%93 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
22%303 patients1/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
73%303 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
32%303 patients2/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
40%303 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Pharmacist
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Nurse Practitioner (Family)
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Pharmacist
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Nurse Practitioner (Family)
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Nurse Practitioner (Family)
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Nurse Practitioner (Family)
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Pharmacy
375 WHITE PLAINS RD
EASTCHESTER, NY 10709
Pharmacist
375 WHITE PLAINS RD
EASTCHESTER, NY 10709

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 Gretchen Chan's NPI number?

The NPI number for Gretchen Chan is 1538645957. It was assigned to this individual provider in the NPPES registry on July 18, 2018. The provider is also known as Gretchen Musgrave.

Where is Gretchen Chan located?

Gretchen Chan practices at 375 White Plains Rd, Eastchester, NY 10709. The listed phone number is (512) 324-4780.

What is Gretchen Chan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Gretchen Chan enrolled in Medicare?

Yes. Gretchen 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.

What insurance does Gretchen Chan accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Nebraska, Blue Cross and Blue Shield of Texas, Medica and Molina Healthcare and 1 other insurer list Gretchen 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 Gretchen Chan was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 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.