NPPES file of Aug 9, 2026

Douglas F. Steenblock, M.D., PSYCHIATRIST

Psychiatry Physician · Marshalltown, IA

Douglas F. Steenblock, M.D., PSYCHIATRIST is a psychiatry physician with a practice address in Marshalltown, Iowa, and NPI 1104891191, issued on Feb 22, 2006. Check the license (Iowa 30667, as entered in NPPES) on the Iowa Board of Medicine; 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
1104891191
Name
Douglas F. Steenblock
Credential
M.D., PSYCHIATRIST
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
30667 IA
Self-reported in NPPES; status is on the state search
Practice location
1301 Summit St, Marshalltown, IA 50158
Phone
(641) 752-1501
Enumerated
Feb 22, 2006
Record last updated
Apr 16, 2026
Fax
(641) 844-6302
Medicaid ID
0058230 IA
Medicare enrollment
Enrolled (PECOS I20080814000125); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 1990
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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Also registered at 1301 Summit St

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

  1. Bret BattlesAudiologist1821387820
  2. Kristina Beck, ARNP, FNP-CFamily Nurse Practitioner1073235925
  3. Melissa Bruhl, DOInternal Medicine Physician1497833784
  4. Kin-Kwan Cheuk, M.D.Internal Medicine Physician1982787032
  5. Patricia CrupiRegistered Dietitian1891919742
  6. Sandra FrahmRegistered Dietitian1093938409

Verify Douglas F. Steenblock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 30667
    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.

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5.1 times the Medicare Part D claims of the average psychiatry physician in 2024

5,109 Medicare Part D claims for 267 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Douglas Steenblock5,109
  2. Specialty average1,000

Most prescribed

  1. Quetiapine Fumarate626 claims
  2. Trazodone Hcl467 claims
  3. Risperidone370 claims
  4. Sertraline Hcl370 claims
  5. Lorazepam335 claims
  6. Mirtazapine314 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Center AssociatesMarshalltown, IA

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

Douglas F. Steenblock among 398 psychiatry physician records in Iowa

Douglas F. Steenblock, M.D., PSYCHIATRIST is one of 398 psychiatry physician records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 60% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1990 · median 2010 among the 188 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Iowa

There are 398 psychiatry physician records in Iowa.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Roy Metzger, ARNPMarshalltown, IA 501581952489148
  2. Prasad Mikkilineni, MDLeon, IA 501441831210244
  3. Elizabeth Faust, M.D.Johnston, IA 501311629027495
  4. Kelly Weiss-Kreps, DOJohnston, IA 501311053504670
  5. Robert Stern, D.O.Iowa Falls, IA 501261649205444
  6. Ryan Hargraves, M.D.Grinnell, IA 501121306983556
  7. Richard Hauser, MDGrinnell, IA 501121689784399
  8. Neeraja Kakade, M.D.Newton, IA 502081659443547

Common questions

What is Douglas F. Steenblock, M.D., PSYCHIATRIST's NPI number?

Douglas F. Steenblock, M.D., PSYCHIATRIST's National Provider Identifier (NPI) is 1104891191, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas F. Steenblock, M.D., PSYCHIATRIST located?

The NPPES record lists a practice address at 1301 Summit St, Marshalltown, IA, 50158. Phone: (641) 752-1501. Providers update this record themselves, so call before visiting.

How can I verify Douglas F. Steenblock, M.D., PSYCHIATRIST's license?

NPPES lists Iowa license number 30667, 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.

How much does Douglas F. Steenblock, M.D., PSYCHIATRIST prescribe under Medicare Part D?

In 2024, Douglas F. Steenblock, M.D., PSYCHIATRIST had 5,109 Medicare Part D claims for 267 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

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.