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CLAYTON ALLSTUN BAILEY PMHNP-BC
NPI 1720716707
Nurse Practitioner - Psychiatric/Mental Health in Saint Louis, MO

Active since August 09, 2022PECOS EnrolledAccepts Medicare Assignment
4066 DUNNICA AVE, SAINT LOUIS, MO 63116(636) 224-1700(314) 535-5917 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 18, 2026, Aug 15, 2022, Aug 9, 2022 (3 updates tracked since 2022).

About Clayton Allstun Bailey Pmhnp-bc NPPES

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

CLAYTON ALLSTUN BAILEY PMHNP-BC (NPI 1720716707) is an individual psychiatric/mental health provider in Saint Louis, Missouri, licensed in Missouri (2022045842) and active in the NPI registry since August 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1720716707
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameCLAYTON ALLSTUN BAILEYCredential: PMHNP-BC
Location Address4066 DUNNICA AVESaint Louis, MO 63116-3510
Mailing Address2711 E Linwood StSpringfield, MO 65804-1936 · (417) 425-4327
Phone(636) 224-1700
Fax(314) 535-5917
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 9, 2022
Last NPPES UpdateAugust 18, 20263 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1720716707 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 MO · 2022045842
4066 DUNNICA AVE, Saint Louis, MO 63116
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas City, Cox HealthPlans, Medica and more.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

Clayton Allstun Bailey Pmhnp-bc 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 ID9234506973
PECOS Enrollment IDI20221109002633, I20240227002569
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

6

Medicare enrollment records show Clayton Bailey reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Springfield Psychiatry & Addiction Medicine LLC
191 mi
Addiction Medicine
1675 E SEMINOLE ST STE A1
Springfield, MO 65804
  • Reassigned Medicare billing, Missouri enrollment
  • 14 clinicians in this Medicare group
NPI 1427733898 (417) 557-2355
Advent One
193 mi
Family Medicine
1230 E KINGSLEY ST STE C
Springfield, MO 65804
  • Reassigned Medicare billing, Missouri enrollment
  • 9 clinicians in this Medicare group
NPI 1689488850 (417) 512-8788
Uhs Of Springwoods LLC
276 mi
Psychiatric Hospital
1955 W TRUCKERS DR
Fayetteville, AR 72704
  • Reassigned Medicare billing, Arkansas enrollment
  • 25 clinicians in this Medicare group
NPI 1790925972 (479) 973-6000
Psychiatry Of Texas PLLC
667 mi
Psychiatry
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, Arkansas and Missouri enrollments
  • 26 clinicians in this Medicare group
NPI 1013476027 (832) 869-4818
Psychplus Medical Associates, PLLC
667 mi
Family Medicine
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, Arkansas and Missouri enrollments
  • 26 clinicians in this Medicare group
NPI 1558118026 (832) 869-4818
Med Management Of Kansas LLC
787 mi
Psychiatry
7272 WURZBACH RD STE 601
San Antonio, TX 78240
  • Reassigned Medicare billing, Missouri enrollment
  • 14 clinicians in this Medicare group
NPI 1942800859 (210) 615-3483

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MARIAH NELSON
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1700
ANGELA COLLINS
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1230
JEAN SOKORA MSW, LCSW
Social Worker (Clinical)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1700
SAMANTHA A HARRIS LMSW
Social Worker (Clinical)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1700
ANITA B POLZIN MA, LPC
Counselor (Professional)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1700
VICTOR ANTOINO BROWDER RN
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1700
HAMPTON CHANDLER RN
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1700
CRYSTAL PETERSON
Licensed Practical Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
St. Louis City (636) 224-1230

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 Clayton Bailey's NPI number?

The NPI number for Clayton Bailey is 1720716707. It was assigned to this individual provider in the NPPES registry on August 9, 2022.

Where is Clayton Bailey located?

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

What is Clayton Bailey's specialty?

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

Is Clayton Bailey enrolled in Medicare?

Yes. Clayton Bailey 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 Clayton Bailey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Bailey reassigns Medicare benefits to 6 organizations: Springfield Psychiatry & Addiction Medicine LLC (Springfield, MO), Advent One (Springfield, MO), Uhs Of Springwoods LLC (Fayetteville, AR), Psychiatry Of Texas PLLC (Houston, TX), Psychplus Medical Associates, PLLC (Houston, TX) and 1 more organization, 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 Clayton Bailey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Clayton Bailey accept?

Health plans from Blue Cross and Blue Shield of Kansas City, Cox HealthPlans, Medica, Oscar Insurance Company and UnitedHealthcare list Clayton Bailey 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 Clayton Bailey was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.