NPPES file of Aug 9, 2026

Walter Lee Mickey, D.O.

Critical Care Medicine (Internal Medicine) Physician · Saint Louis, MO

Walter Lee Mickey, D.O. is a critical care medicine (internal medicine) physician with a practice address in Saint Louis, Missouri, and NPI 1306109384, issued on Jun 24, 2012. Check the license (Missouri 2014011937, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306109384
Name
Walter Lee Mickey
Credential
D.O.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
2014011937 MO
Self-reported in NPPES; status is on the state search
Practice location
621 S Ballas RD Ste 7020, Saint Louis, MO 63122
Phone
(314) 251-6000
Enumerated
Jun 24, 2012
Record last updated
Mar 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160105000160); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Walter Lee Mickey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2014011937
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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Industry payments in 2024: $59.96

3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Walter Mickey$59.96
  2. Specialty average$2,958.68

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Mercy Aco Clinical Services IncChesterfield, MO
  2. Mercy Clinic Adult Critical Care, LLCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Walter Lee Mickey among 178 critical care medicine (internal medicine) physician records in Missouri

Walter Lee Mickey, D.O. is one of 178 critical care medicine (internal medicine) physician records with a practice address in Missouri. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 62% of them.

  • NPI issued2012 · 62% of these records are older, 29% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2012 · median 2005 among the 144 with a school on file
  • Record last updated2021 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Missouri

There are 178 critical care medicine (internal medicine) physician records in Missouri.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Rajesh Swaminathan, M.D.Kirkwood, MO 631221720051527
  2. Madan Chilappa, M.D.Saint Louis, MO 631171548232846
  3. Seba Hasan, M.D.Richmond Heights, MO 631171922532274
  4. Robert Wright, D.O.Saint Louis, MO 631171760454680
  5. Lee Demertzis, MDSaint Louis, MO 631281831298827
  6. Dinko Naydenov, MDSaint Louis, MO 631281427186279
  7. Nikhil Organti, MDSaint Louis, MO 631281891925558
  8. Sheila Lemley, MDSaint Louis, MO 631311699788232

Common questions

What is Walter Lee Mickey, D.O.'s NPI number?

Walter Lee Mickey, D.O.'s National Provider Identifier (NPI) is 1306109384, issued on Jun 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Walter Lee Mickey, D.O. located?

The NPPES record lists a practice address at 621 S Ballas RD Ste 7020, Saint Louis, MO, 63122. Phone: (314) 251-6000. Providers update this record themselves, so call before visiting.

How can I verify Walter Lee Mickey, D.O.'s license?

NPPES lists Missouri license number 2014011937, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.