GERALD GWAIN CHIA RN,MSN
NPI 1477112050
Nurse Practitioner - Psychiatric/Mental Health in Baltimore, MD

Active since June 07, 2019PECOS EnrolledAccepts Medicare Assignment
5505 REISTERSTOWN RD, BALTIMORE, MD 21215(240) 467-4803(667) 803-0305 Get Directions Write a Review

NPPES record last updated: October 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 16, 2020, Jun 7, 2019 (2 updates tracked since 2019).

About Gerald Gwain Chia Rn,msn NPPES

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

GERALD GWAIN CHIA RN,MSN (NPI 1477112050) is an individual psychiatric/mental health provider in Baltimore, Maryland, licensed in District Of Columbia (RN1042932) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1477112050
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameGERALD GWAIN CHIACredential: RN,MSN
Location Address5505 REISTERSTOWN RDBaltimore, MD 21215-4406
Mailing Address9101 Crandall RdLanham, MD 20706-1928 · (240) 595-7909
Fax(667) 803-0305
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 7, 2019
Last NPPES UpdateOctober 27, 20252 updates tracked since enumeration
NPPES CertifiedOctober 27, 2025
NPI 1477112050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in DC · RN1042932
5505 REISTERSTOWN RD, Baltimore, MD 21215

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

Gerald Gwain Chia Rn,msn 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 ID3678902053
PECOS Enrollment IDI20200406002694
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 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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
284 services40 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
261 services31 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
25 services25 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21215 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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

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

Social Worker
5505 REISTERSTOWN RD
BALTIMORE, MD 21215

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 Gerald Chia's NPI number?

The NPI number for Gerald Chia is 1477112050. It was assigned to this individual provider in the NPPES registry on June 7, 2019.

Where is Gerald Chia located?

Gerald Chia practices at 5505 Reisterstown Rd, Baltimore, MD 21215. The listed phone number is (240) 467-4803.

What is Gerald Chia's specialty?

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

Is Gerald Chia enrolled in Medicare?

Yes. Gerald Chia 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 Gerald Chia accept?

Health plans from Providence Health Plan list Gerald Chia 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 Gerald Chia was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.