Robert J. Blommer, MD
Internal Medicine Physician · Ottumwa, IA
Robert J. Blommer, MD is an internal medicine physician with a practice address in Ottumwa, Iowa, and NPI 1770569717, issued on Dec 21, 2005. Check the license (Iowa MD-20241, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert J. Blommer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD-20241 IA
Self-reported in NPPES; status is on the state search - Practice location
- 522 N Hancock St, Ottumwa, IA 52501
- Phone
- (641) 683-0800
- Enumerated
- Dec 21, 2005
- Record last updated
- Oct 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (641) 683-0801
- Medicaid ID
- 1770569717 IA
- Entity
- Type 1 · individual
Also registered at 522 N Hancock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Brown, ARNPFamily Nurse Practitioner1013286020
- Paige Caves, DPTPhysical Therapist1043739279
- Heather Easton, ARNPFamily Nurse Practitioner1891126975
- Florita Henderson, MDInternal Medicine Physician1770711939
- Mary Henderson, NP-CFamily Nurse Practitioner1891079257
- Grace Howe, ARNPFamily Nurse Practitioner1003624909
Verify Robert J. Blommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-20241Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
10 internal medicine physician records list a practice address in Ottumwa
They are 10 of the 405 NPPES records with a practice address in Ottumwa, and 871 internal medicine physician records in Iowa.
All 10 in Ottumwa → All 871 in Iowa → Every provider in Ottumwa →
Other internal medicine physician records in Iowa
- Baha Abbad, MDWaterloo, IA1366050064
- Shazia Abbas, MDOttumwa, IA1205086998
- Duane Abbott, MDDes Moines, IA1417362666
- Ahmed Abdelhamid, MDIowa City, IA1306403795
- Mohammed Abdila, MDDavenport, IA1982338752
- Sidrah Abid, MDWaterloo, IA1497161830
- Thad Abrams, MDIowa City, IA1326022385
- Samer Abu Alula, M.D.Davenport, IA1447782578
- Hebah Abudawaba, MBBSIowa City, IA1518694405
- Arwa Aburizik, M.B., B.S.Iowa City, IA1356559298
Common questions
What is Robert J. Blommer, MD's NPI number?
Robert J. Blommer, MD's National Provider Identifier (NPI) is 1770569717, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Blommer, MD located?
The NPPES record lists a practice address at 522 N Hancock St, Ottumwa, IA, 52501. Phone: (641) 683-0800. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Blommer, MD's license?
NPPES lists Iowa license number MD-20241, 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 Robert J. Blommer, MD prescribe under Medicare Part D?
In 2024, Robert J. Blommer, MD had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.