MRS. ALFREDA SHIELDS FNP, PMHNP
NPI 1497021810
Nurse Practitioner in Saint Louis, MO

Active since March 29, 2012PECOS EnrolledAccepts Medicare Assignment
4066 DUNNICA AVE, SAINT LOUIS, MO 63116(636) 224-1700 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 24, 2026, Jan 12, 2026, Nov 12, 2025 and 9 more (12 updates tracked since 2018).

About Mrs. Alfreda Shields Fnp, Pmhnp NPPES

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

MRS. ALFREDA SHIELDS FNP, PMHNP (NPI 1497021810) is an individual nurse practitioner in Saint Louis, Missouri, licensed in Missouri (2012001249) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1497021810
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. ALFREDA SHIELDSCredential: FNP, PMHNP
Location Address4066 DUNNICA AVESaint Louis, MO 63116-3510
Mailing AddressPo Box 844715Kansas City, MO 64184-4715 · (417) 761-5000 · Fax (417) 761-5631
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 29, 2012
Last NPPES UpdateJuly 24, 202612 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1497021810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in MO · 2012001249✔ Licensed in IL · 277000588
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 694307 (CA), 49210 (HI), 61618369 (WA), 243616 (MT), 2012001249 (MO), 330311 (AZ), 10032618 (OR), 14174711-4405 (UT), 77844 (NM), 2052467 (MN), 222704 (OK), 229519 (AK)
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 2020037590 (MO)
4066 DUNNICA AVE, Saint Louis, MO 63116

Secondary Practice Locations 7

Location 1531 Queen Anne Ave NSeattle, WA 98109-4521 · Phone (866) 389-2727
Location 21 Cvs DrWoonsocket, RI 02895-6146 · Phone (866) 389-2727
Location 37777 S Redwood RdWest Jordan, UT 84084-5518 · Phone (866) 389-2727
Location 41001 Lynch StSaint Louis, MO 63118-1818 · Phone (314) 535-5600
Location 51650 Washington AveAlton, IL 62002-3931 · Phone (314) 687-2735
Location 62122 Troy Rd Ste 130Edwardsville, IL 62025-2540 · Phone (618) 463-8500 · Fax (618) 996-5291
Location 73825 S Noland RdIndependence, MO 64055-3344 · Phone (866) 389-2727

Other Identifiers 2

Other2020037590MO · Pmhnp
Medicaid2020037590MO

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

Mrs. Alfreda Shields Fnp, Pmhnp 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 ID7810145133
PECOS Enrollment IDI20120911000818, I20130114000179, I20241007002186, I20241104001371
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 Reassignments

16

Medicare enrollment records show Alfreda Shields reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adult Mental Health
1001 LYNCH ST
Saint Louis, MO 63118
  • Reassigned Medicare billing, Missouri enrollment
  • 69 clinicians in this Medicare group
Internal Medicine
670 MASON RIDGE CENTER DR, STE 300
Saint Louis, MO 63141
  • Reassigned Medicare billing, Illinois enrollment
  • 507 clinicians in this Medicare group
Urgent Care
1111 W PEARCE BLVD
Wentzville, MO 63385
  • Reassigned Medicare billing, Missouri enrollment
  • 46 clinicians in this Medicare group
Community/Behavioral Health
1300 E BRADFORD PKWY
Springfield, MO 65804
  • Reassigned Medicare billing, Missouri enrollment
  • 590 clinicians in this Medicare group
Family
11200 W LINCOLN HWY
Mokena, IL 60448
  • Reassigned Medicare billing, Illinois enrollment
  • 223 clinicians in this Medicare group
Family
11200 LINCOLN HWY
Mokena, IL 60448
  • Reassigned Medicare billing, Illinois enrollment
  • 99 clinicians in this Medicare group
Family
11729 ROE AVE
Leawood, KS 66211
  • Reassigned Medicare billing, Missouri enrollment
  • 170 clinicians in this Medicare group
Family
1520 S BRYANT AVE
Edmond, OK 73013
  • Reassigned Medicare billing, Oklahoma enrollment
  • 31 clinicians in this Medicare group
Family
4241 JOHNNY CAKE RIDGE RD
Eagan, MN 55122
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: Minuteclinic Diagnostic Of Minnesota PA
  • 89 clinicians in this Medicare group
Family
7955 TUCKERMAN LN
Rockville, MD 20854
  • Reassigned Medicare billing, Arizona enrollment
  • 163 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 2

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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
52 services17 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.
33 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63116 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.

Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Social Worker (Clinical)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Social Worker (Clinical)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Counselor (Professional)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Licensed Practical Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116

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 Alfreda Shields's NPI number?

The NPI number for Alfreda Shields is 1497021810. It was assigned to this individual provider in the NPPES registry on March 29, 2012.

Where is Alfreda Shields located?

Alfreda Shields practices at 4066 Dunnica Ave, Saint Louis, MO 63116. The listed phone number is (636) 224-1700.

What is Alfreda Shields's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Alfreda Shields enrolled in Medicare?

Yes. Alfreda Shields 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 organizations bill Medicare for Alfreda Shields's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfreda Shields reassigns Medicare benefits to 16 organizations: Places For People, Inc. (Saint Louis, MO), Fairview Heights Medical Group, Sc (Saint Louis, MO), Our Urgent Care, LLC (Wentzville, MO), Burrell, Inc. (Springfield, MO), Minuteclinic Diagnostic Of Illinois PLLC (Mokena, IL) and 11 more organizations, listed in the Medicare section above. Each 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 Alfreda Shields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alfreda Shields accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, BridgeSpan Health Company, Cox HealthPlans and Medica and 3 other insurers list Alfreda Shields 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 Alfreda Shields was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.