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DR. ANDREA MARIE GIEDINGHAGEN MD
NPI 1639519028
Psychiatry & Neurology - Psychiatry in Saint Louis, MO

Active since June 28, 2013PECOS 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 3 more (6 updates tracked since 2018).

About Dr. Andrea Marie Giedinghagen Md NPPES

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

DR. ANDREA MARIE GIEDINGHAGEN MD (NPI 1639519028) is an individual psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2015018614) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639519028
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ANDREA MARIE GIEDINGHAGENCredential: 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 DateJune 28, 2013
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
✔ NPI 1639519028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MO · 2015018614
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
4444 FOREST PARK AVE, Saint Louis, MO 63108
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Other Identifiers 1

Medicaid200056249MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans, Medica, Oscar Insurance Company.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. Andrea Marie Giedinghagen 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 Andrea Giedinghagen 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.

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
$169.38 typical visit price
range $55.65 – $169.38
Typical copayment $42.34 (range $13.91 – $42.34)
Most-billed visit code 99205
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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.

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 Andrea Giedinghagen's NPI number?

The NPI number for Andrea Giedinghagen is 1639519028. It was assigned to this individual provider in the NPPES registry on June 28, 2013.

Where is Andrea Giedinghagen located?

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

What is Andrea Giedinghagen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Andrea Giedinghagen enrolled in Medicare?

Yes. Andrea Giedinghagen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrea Giedinghagen's services?

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

What insurance does Andrea Giedinghagen accept?

Health plans from Cox HealthPlans, Medica and Oscar Insurance Company list Andrea Giedinghagen 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 Andrea Giedinghagen 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.