Karen Anne Spahr, DO
Internal Medicine Physician · Oskaloosa, IA
Karen Anne Spahr, DO is an internal medicine physician with a practice address in Oskaloosa, Iowa, and NPI 1194891374, issued on Nov 28, 2006. Check the license (Iowa 02695, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Anne Spahr
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 02695 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1203 A Ave East, Oskaloosa, IA 52577
- Phone
- (641) 672-9930
- Enumerated
- Nov 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (641) 672-9932
- Medicaid ID
- 2102491 IA
- Medicare enrollment
- Enrolled (PECOS I20050421001523); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Verify Karen Anne Spahr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 02695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,560 Medicare Part D claims for 279 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 51 claims were for opioids.
Most prescribed
- Omeprazole326 claims
- Atorvastatin Calcium310 claims
- Losartan Potassium306 claims
- Levothyroxine Sodium299 claims
- Metformin Hcl246 claims
- Amlodipine Besylate202 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Karen Anne Spahr among 871 internal medicine physician records in Iowa
Karen Anne Spahr, DO is one of 871 internal medicine physician records with a practice address in Iowa. 70% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 62% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1990 · median 2008 among the 386 with a school on file
- Record last updated2007 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Oskaloosa
They are 3 of the 253 NPPES records with a practice address in Oskaloosa, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Oskaloosa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ronald Collins, M.D.Oskaloosa, IA 525771851592018
- Kyle Witt, MDOskaloosa, IA 525771972092187
- Roberto Castro, MD.Sigourney, IA 525911083600050
- James Conroy, MDSigourney, IA 525911932153384
- Nilfar Karimova, M.D.Fairfield, IA 525571912155946
- Harbans Deol, DOFairfield, IA 525561912995135
- Syam Kilaru, M.D.Burlington, IA 526011447425772
- Robert Floyd, D.O.Bloomfield, IA 525371275514028
Common questions
What is Karen Anne Spahr, DO's NPI number?
Karen Anne Spahr, DO's National Provider Identifier (NPI) is 1194891374, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Anne Spahr, DO located?
The NPPES record lists a practice address at 1203 A Ave East, Oskaloosa, IA, 52577. Phone: (641) 672-9930. Providers update this record themselves, so call before visiting.
How can I verify Karen Anne Spahr, DO's license?
NPPES lists Iowa license number 02695, 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 Karen Anne Spahr, DO prescribe under Medicare Part D?
In 2024, Karen Anne Spahr, DO had 6,560 Medicare Part D claims for 279 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karen Anne Spahr, DO's MIPS final score?
The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.