MS. DARIA RAI WAWRZYNIAK WHNP
NPI 1356053425
Nurse Practitioner - Women's Health in Saint Louis, MO

Active since December 20, 2022PECOS EnrolledAccepts Medicare Assignment
4901 FOREST PARK AVE, DEPT OBGYN, STE 710, SAINT LOUIS, MO 63108(314) 362-4211(888) 315-6494 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 7, 2024, Apr 25, 2024, Apr 10, 2024 and 2 more (5 updates tracked since 2022).

About Ms. Daria Rai Wawrzyniak Whnp NPPES

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

MS. DARIA RAI WAWRZYNIAK WHNP (NPI 1356053425) is an individual women's health provider in Saint Louis, Missouri, licensed in Missouri (2022040683) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1356053425
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameMS. DARIA RAI WAWRZYNIAKCredential: WHNP
Location Address4901 FOREST PARK AVE, DEPT OBGYN, STE 710Saint Louis, MO 63108-1495
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-4211 · Fax (888) 315-6494
Fax(888) 315-6494
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 20, 2022
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
NPPES CertifiedNovember 4, 2024
✔ NPI 1356053425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License✔ Licensed in MO · 2022040683
4901 FOREST PARK AVE, Saint Louis, MO 63108

Other Identifiers 1

Medicaid420118770MO

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

Ms. Daria Rai Wawrzyniak Whnp 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 ID9739559691
PECOS Enrollment IDI20230110002722
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 Daria Wawrzyniak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 105 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 7

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.

Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
156 services135 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
152 services128 patients
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.
141 services118 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
97 services91 patients
Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope 52310
This is a procedure to remove an object, stone, or tube from your urinary tract. An endoscope, a thin, flexible tube with a light and camera, is used to locate and remove the object. It is a safe and effective way to address the issue.
29 services28 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63108 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

General Practice
4901 FOREST PARK AVE, DIV IM GENERAL MED, STE 241
SAINT LOUIS, MO 63108
General Practice
4901 FOREST PARK AVE, DIV IM GENERAL MED, STE 241
SAINT LOUIS, MO 63108
Nurse Practitioner (Family)
4901 FOREST PARK AVE, STE 341
SAINT LOUIS, MO 63108
Psychologist
4901 FOREST PARK AVE, DEPT PSYCHIATRY, STE 441
SAINT LOUIS, MO 63108
Clinic/Center (Multi-Specialty)
4901 FOREST PARK AVE
SAINT LOUIS, MO 63108
Ophthalmology (Cornea and External Diseases Specialist)
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108
Obstetrics & Gynecology (Gynecology)
4901 FOREST PARK AVE, DIV OBGYN FAMILY PLANNING, STE 710
SAINT LOUIS, MO 63108
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108

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 Daria Wawrzyniak's NPI number?

The NPI number for Daria Wawrzyniak is 1356053425. It was assigned to this individual provider in the NPPES registry on December 20, 2022.

Where is Daria Wawrzyniak located?

Daria Wawrzyniak practices at 4901 Forest Park Ave Dept Obgyn, Ste 710, Saint Louis, MO 63108. The listed phone number is (314) 362-4211.

What is Daria Wawrzyniak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Daria Wawrzyniak enrolled in Medicare?

Yes. Daria Wawrzyniak 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 Daria Wawrzyniak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daria Wawrzyniak reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Daria Wawrzyniak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daria Wawrzyniak accept?

Health plans from UnitedHealthcare list Daria Wawrzyniak 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 Daria Wawrzyniak was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.