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MS. BARBARA J MUELLER-MARQUEZ RNP
NPI 1902807795
Nurse Practitioner - Adult Health in Norwalk, CT

Active since August 03, 2005PECOS EnrolledAccepts Medicare Assignment
120 CONNECTICUT AVE, NORWALK, CT 06854(203) 899-1770(203) 899-1769 Get Directions Write a Review

NPPES record last updated: November 3, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Barbara J Mueller-marquez Rnp NPPES

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

MS. BARBARA J MUELLER-MARQUEZ RNP (NPI 1902807795) is an individual adult health provider in Norwalk, Connecticut, licensed in Connecticut (003733) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1902807795
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. BARBARA J MUELLER-MARQUEZCredential: RNP
Location Address120 CONNECTICUT AVENorwalk, CT 06854-1525
Mailing Address120 Connecticut AveNorwalk, CT 06854-1525 · (203) 899-1770 · Fax (203) 899-1769
Phone(203) 899-1770
Fax(203) 899-1769
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 3, 2005
Last NPPES UpdateNovember 3, 2011
✔ NPI 1902807795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in CT · 003733
120 CONNECTICUT AVE, Norwalk, CT 06854
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINQ11648

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

Ms. Barbara J Mueller-marquez Rnp 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 ID3476543919
PECOS Enrollment IDI20081010000500
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 06854 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

VITTORIA GASSMAN MD
Internal Medicine
120 CONNECTICUT AVE, NORWALK COMMUNITY HEALTH CENTER
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
DR. SARAH SIEGEL M.D.
Pediatrics
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
SWC CORPORATION
Pharmacy (Community/Retail Pharmacy)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-0708
KANDREE HICKS APRN
Nurse Practitioner (Family)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
MS. REBECCA KAPLAN FNP-BC
Nurse Practitioner (Family)
120 CONNECTICUT AVE, NORWALK COMMUNITY HEALTH CENTER
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
ARACELY CENTENO
Social Worker (Clinical)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
DR. MARY LUCIA MD
Obstetrics & Gynecology
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
MS. CINDY RAMDHANIE LPC, LADC
Counselor (Professional)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770

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 Barbara Mueller-marquez's NPI number?

The NPI number for Barbara Mueller-marquez is 1902807795. It was assigned to this individual provider in the NPPES registry on August 3, 2005.

Where is Barbara Mueller-marquez located?

Barbara Mueller-marquez practices at 120 Connecticut Ave, Norwalk, CT 06854. The listed phone number is (203) 899-1770.

What is Barbara Mueller-marquez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Barbara Mueller-marquez enrolled in Medicare?

Yes. Barbara Mueller-marquez 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.

When was this NPI record last updated?

The NPPES record for Barbara Mueller-marquez was last updated on November 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.