Curtis J. Frier, DO
General Practice Physician · Washington, IA
Curtis J. Frier, DO is a general practice physician with a practice address in Washington, Iowa, and NPI 1902899586, issued on Aug 29, 2005. Check the license (Iowa 01932, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Curtis J. Frier
- Credential
- DO
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 01932 IA
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Polk St, Washington, IA 52353
- Phone
- (319) 653-6601
- Enumerated
- Aug 29, 2005
- Record last updated
- Dec 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (319) 653-5624
- Medicaid ID
- 1233957 IA
- Medicare enrollment
- Enrolled (PECOS I20070531000157); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 38 in Iowa → Look up another NPI →
Also registered at 400 E Polk St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Curtis J. Frier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 01932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average general practice physician in 2024
662 Medicare Part D claims for 189 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium34 claims
- Levothyroxine Sodium28 claims
- Amlodipine Besylate24 claims
- Omeprazole24 claims
- Hydrochlorothiazide23 claims
- Montelukast Sodium20 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
- Washington County HospitalKalona, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Curtis J. Frier among 38 general practice physician records in Iowa
Curtis J. Frier, DO is one of 38 general practice physician records with a practice address in Iowa. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 39% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Record last updated2009 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 general practice physician records list a practice address in Washington
They are 2 of the 131 NPPES records with a practice address in Washington, and 38 general practice physician records in Iowa.
All 38 in Iowa → Every provider in Washington → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Sumin Li, M.D.Washington, IA 523531205086337
- Jennifer Lopez, ARNPCedar Rapids, IA 524011396425047
- Sara Magill, DNPMarengo, IA 523011083028377
- Keith Plate, MDIowa City, IA 522461992007090
- Mary Khowassah, MDIowa City, IA 522421740276096
- Momin Nasir, BSIowa City, IA 522421366181802
- Kevin Wu, MDIowa City, IA 522421215125315
- Joel Kosinski, MDCoralville, IA 522411265718431
Common questions
What is Curtis J. Frier, DO's NPI number?
Curtis J. Frier, DO's National Provider Identifier (NPI) is 1902899586, issued on Aug 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Curtis J. Frier, DO located?
The NPPES record lists a practice address at 400 E Polk St, Washington, IA, 52353. Phone: (319) 653-6601. Providers update this record themselves, so call before visiting.
How can I verify Curtis J. Frier, DO's license?
NPPES lists Iowa license number 01932, 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 Curtis J. Frier, DO prescribe under Medicare Part D?
In 2024, Curtis J. Frier, DO had 662 Medicare Part D claims for 189 beneficiaries; the average among general practice physician prescribers was 3,030. 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.