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CHRISTINE R MARQUARDT PMHNP
NPI 1669838751
Nurse Practitioner - Psychiatric/Mental Health in Frederick, MD

Active since January 06, 2016PECOS Enrolled
19 N COURT ST STE 102, FREDERICK, MD 21701(240) 253-1323(240) 253-1323 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 25, 2025, Aug 22, 2024 (2 updates tracked since 2024).

About Christine R Marquardt Pmhnp NPPES

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

CHRISTINE R MARQUARDT PMHNP (NPI 1669838751) is an individual psychiatric/mental health provider in Frederick, Maryland, licensed in Maryland (R130851) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669838751
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCHRISTINE R MARQUARDTCredential: PMHNP
Location Address19 N COURT ST STE 102Frederick, MD 21701-5461
Mailing Address3861 Triton LnFrederick, MD 21704-7007 · (240) 388-7420
Phone(240) 253-1323
Fax(240) 253-1323
Sole ProprietorYes
Enumeration DateJanuary 6, 2016
Last NPPES UpdateAugust 18, 20252 updates tracked since enumeration
NPPES CertifiedAugust 18, 2025
✔ NPI 1669838751 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 MD · R130851
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 905830 (MD)
19 N COURT ST STE 102, Frederick, MD 21701
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christine R Marquardt 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21701 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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 2

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

MARX MEDICAL INC
Clinic/Center (Mental Health (Including Community Mental Health Center))
19 N COURT ST STE 102
FREDERICK, MD 21701
Frederick County (240) 253-1323
MARX MEDICAL INC.
Clinic/Center (Mental Health (Including Community Mental Health Center))
19 N COURT ST STE 102
FREDERICK, MD 21701
Frederick County (240) 253-1323

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 Christine Marquardt's NPI number?

The NPI number for Christine Marquardt is 1669838751. It was assigned to this individual provider in the NPPES registry on January 6, 2016.

Where is Christine Marquardt located?

Christine Marquardt practices at 19 N Court St Ste 102, Frederick, MD 21701. The listed phone number is (240) 253-1323.

What is Christine Marquardt's specialty?

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

Is Christine Marquardt enrolled in Medicare?

Yes. Christine Marquardt is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Christine Marquardt was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.