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DR. WALTER LEE MICKEY D.O.
NPI 1306109384
Internal Medicine - Critical Care Medicine in Saint Louis, MO

Active since June 24, 2012PECOS EnrolledAccepts Medicare Assignment
621 S BALLAS RD STE 7020, SAINT LOUIS, MO 63122(314) 251-6000 Get Directions Write a Review

NPPES record last updated: March 23, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Walter Lee Mickey D.o. NPPES

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

DR. WALTER LEE MICKEY D.O. (NPI 1306109384) is an individual critical care medicine provider in Saint Louis, Missouri, licensed in Missouri (2014011937) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1306109384
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. WALTER LEE MICKEYCredential: D.O.
Location Address621 S BALLAS RD STE 7020Saint Louis, MO 63122-5314
Mailing Address407 Hillington DrEureka, MO 63025-1089 · (541) 680-8220
Phone(314) 251-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 24, 2012
Last NPPES UpdateMarch 23, 2021
NPPES CertifiedMarch 23, 2021
✔ NPI 1306109384 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MO · 2014011937
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
621 S BALLAS RD STE 7020, Saint Louis, MO 63122
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Walter Lee Mickey D.o. 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 ID9032426911
PECOS Enrollment IDI20160105000160
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.

Areas of Expertise CMS Part B claims 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
194 services73 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
31 services26 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
18 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63122 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
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.

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 Walter Mickey's NPI number?

The NPI number for Walter Mickey is 1306109384. It was assigned to this individual provider in the NPPES registry on June 24, 2012.

Where is Walter Mickey located?

Walter Mickey practices at 621 S Ballas Rd Ste 7020, Saint Louis, MO 63122. The listed phone number is (314) 251-6000.

What is Walter Mickey's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Walter Mickey enrolled in Medicare?

Yes. Walter Mickey 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.

What insurance does Walter Mickey accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Walter Mickey 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.

Is Walter Mickey affiliated with any hospitals?

According to CMS data, Walter Mickey is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Walter Mickey was last updated on March 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.