NPPES file of Aug 9, 2026

Karma Birgitta Sloop, O.D.

Optometrist · Iowa City, IA

Karma Birgitta Sloop, O.D. is an optometrist with a practice address in Iowa City, Iowa, and NPI 1568427631, issued on Apr 19, 2006. Check the license (Iowa 2133, as entered in NPPES) with the Iowa board that licenses this profession; 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
1568427631
Name
Karma Birgitta Sloop
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
2133 IA
Self-reported in NPPES; status is on the state search
Practice location
1001 Highway 1 W, Iowa City, IA 52246
Phone
(319) 338-4151
Enumerated
Apr 19, 2006
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20040315000547); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 1998
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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8 nearest optometrist records → All 676 in Iowa → Look up another NPI →

Verify Karma Birgitta Sloop in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 2133    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
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86% fewer Medicare Part D claims than the average optometrist in 2024

39 Medicare Part D claims for 14 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Karma Sloop39
  2. Specialty average277

Most prescribed

  1. Latanoprost28 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.

Karma Birgitta Sloop among 676 optometrist records in Iowa

Karma Birgitta Sloop, O.D. is one of 676 optometrist records with a practice address in Iowa. 76% 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 18% of them.

  • NPI issued2006 · 18% of these records are older, 44% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1998 · median 2006 among the 462 with a school on file
  • Record last updated2026 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Iowa

There are 676 optometrist records in Iowa.

All 676 in Iowa → Every provider in Iowa City → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. George Alberhasky, O.D., P.C.Iowa City, IA 522461013036425
  2. Rebecca Borkovec, O.D.Iowa City, IA 522461356653521
  3. Brian Colander, O.D.Iowa City, IA 522461699791798
  4. Ian Hui, O.D.Iowa City, IA 522461275910697
  5. David Jensen, ODIowa City, IA 522461164400875
  6. Savannah Millikin, ODIowa City, IA 522451558930107
  7. Brandon Stalzer, O.D.Iowa City, IA 522451215925227
  8. Sara Downes, ODIowa City, IA 522421578850038

Common questions

What is Karma Birgitta Sloop, O.D.'s NPI number?

Karma Birgitta Sloop, O.D.'s National Provider Identifier (NPI) is 1568427631, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karma Birgitta Sloop, O.D. located?

The NPPES record lists a practice address at 1001 Highway 1 W, Iowa City, IA, 52246. Phone: (319) 338-4151. Providers update this record themselves, so call before visiting.

How can I verify Karma Birgitta Sloop, O.D.'s license?

NPPES lists Iowa license number 2133, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Karma Birgitta Sloop, O.D. prescribe under Medicare Part D?

In 2024, Karma Birgitta Sloop, O.D. had 39 Medicare Part D claims for 14 beneficiaries; the average among optometrist prescribers was 277. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.