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DR. ANGELA MICHELLE REIERSEN MD
NPI 1790701928
Psychiatry & Neurology - Child & Adolescent Psychiatry in Saint Louis, MO

Active since July 14, 2006PECOS Enrolled
4444 FOREST PARK AVE, STE 2600, SAINT LOUIS, MO 63108(314) 286-1700(314) 286-1777 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Aug 23, 2023 and 4 more (7 updates tracked since 2016).

About Dr. Angela Michelle Reiersen Md NPPES

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

DR. ANGELA MICHELLE REIERSEN MD (NPI 1790701928) is an individual child & adolescent psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2004009993) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790701928
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. ANGELA MICHELLE REIERSENCredential: MD
Location Address4444 FOREST PARK AVE, STE 2600Saint Louis, MO 63108-2212
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 286-1700 · Fax (314) 286-1777
Phone(314) 286-1700
Fax(314) 286-1777
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateApril 17, 20257 updates tracked since enumeration
✔ NPI 1790701928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MO · 2004009993
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
4444 FOREST PARK AVE, Saint Louis, MO 63108
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Other Identifiers 1

Medicaid207183906MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Angela Michelle Reiersen Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Angela Reiersen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University
0.4 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 148 clinicians in this Medicare group
NPI 1003856592 (314) 362-5184

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

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.

DR. PATRICIA TEREESE JIMENEZ MD
Obstetrics & Gynecology (Reproductive Endocrinology)
4444 FOREST PARK AVE, DIV OB REPRODUCTIVE ENDOCRINOLOGY, STE 3100
SAINT LOUIS, MO 63108
St. Louis City (314) 286-2400
DR. DANIELLE BUCHANAN IVIE DPT
Physical Therapist
4444 FOREST PARK AVE, STE 1210
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1940
MS. MARY GRACE PORTELL LPC
Counselor (Professional)
4444 FOREST PARK AVE, STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
MRS. PATRICIA K NELLIS OT
Occupational Therapist
4444 FOREST PARK AVE, DEPT OCCUPATIONAL THERAPY, STE 2210
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1669
DR. KELLY N BOTTERON MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE, STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
DR. ROBERT P FUCETOLA PHD
Clinical Neuropsychologist
4444 FOREST PARK AVE, DIV NEUROPSYCHOLOGY, 2ND FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-1408
MS. CHERYL L KLOHR MS OT
Occupational Therapist
4444 FOREST PARK AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5079
MS. BRIDGET O OCHUKO DPT
Physical Therapist
4444 FOREST PARK AVE, STE 1210
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1940

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 Angela Reiersen's NPI number?

The NPI number for Angela Reiersen is 1790701928. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Angela Reiersen located?

Angela Reiersen practices at 4444 Forest Park Ave Ste 2600, Saint Louis, MO 63108. The listed phone number is (314) 286-1700.

What is Angela Reiersen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Angela Reiersen enrolled in Medicare?

Yes. Angela Reiersen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Angela Reiersen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Angela Reiersen 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 Angela Reiersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Angela Reiersen accept?

Health plans from Medica list Angela Reiersen 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 Angela Reiersen 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.