NPPES file of Aug 9, 2026

William Carl Koenig, M.D.

Physical Medicine & Rehabilitation Physician · Des Moines, IA

William Carl Koenig, M.D. is a physical medicine & rehabilitation physician with a practice address in Des Moines, Iowa, and NPI 1831191238, issued on Aug 15, 2005. Check the license (Iowa 21133, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1831191238
Name
William Carl Koenig
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
21133 IA
Self-reported in NPPES; status is on the state search
Practice location
2600 Grand Ave, Des Moines, IA 50312
Phone
(515) 283-1570
Enumerated
Aug 15, 2005
Record last updated
Apr 15, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(515) 283-1681
Medicaid ID
1811942659 IA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2600 Grand Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charles Denhart, M.D.Physical Medicine & Rehabilitation Physician1588666184
  2. Angela Emerson, LMSWClinical Social Worker1942684725
  3. Charlotte Kelley, A.R.N.P., G.N.P.Gerontology Nurse Practitioner1710989132

Verify William Carl Koenig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 21133
    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 Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

William Carl Koenig among 135 physical medicine & rehabilitation physician records in Iowa

William Carl Koenig, M.D. is one of 135 physical medicine & rehabilitation physician records with a practice address in Iowa. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileNo · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2014 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Iowa

There are 135 physical medicine & rehabilitation physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Charles Denhart, M.D.Des Moines, IA 503121588666184
  2. Jose Figueroa, D.O.Des Moines, IA 503121982696688
  3. Anne ElkinsDes Moines, IA 503141689457400
  4. Christopher Mach, D.P.T.Des Moines, IA 503141649400037
  5. Michael Munhall, M.D.Des Moines, IA 503141497754691
  6. Kurt Smith, D.O.Des Moines, IA 503141255392676
  7. Anthony Stark, D.O.Des Moines, IA 503141598909376
  8. Matthew Edel, D.O.Des Moines, IA 503091760773626

Common questions

What is William Carl Koenig, M.D.'s NPI number?

William Carl Koenig, M.D.'s National Provider Identifier (NPI) is 1831191238, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Carl Koenig, M.D. located?

The NPPES record lists a practice address at 2600 Grand Ave, Des Moines, IA, 50312. Phone: (515) 283-1570. Providers update this record themselves, so call before visiting.

How can I verify William Carl Koenig, M.D.'s license?

NPPES lists Iowa license number 21133, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. 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. 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.