Steven Carl Locker, M.D.
Surgery Physician · Orange City, IA
Steven Carl Locker, M.D. is a surgery physician with a practice address in Orange City, Iowa, and NPI 1598762254, issued on Jul 7, 2005. Check the license (Iowa 27787, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Steven Carl Locker
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 27787 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Lincoln Cir SE, Orange City, IA 51041
- Phone
- (712) 737-5317
- Enumerated
- Jul 7, 2005
- Record last updated
- Feb 9, 2023
- Fax
- (712) 737-5318
- Medicaid ID
- 4067124 IA
- Medicare enrollment
- Enrolled (PECOS I20050118000107); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 437 in Iowa → Look up another NPI →
Also registered at 1000 Lincoln Cir SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Adams, DPTPhysical Therapist1922454297
- Glenda Altena, ARNPFamily Nurse Practitioner1013995919
- Lori Anderson, PAMedical Physician Assistant1083932834
- Susan BlankersPhysical Therapist1073773255
- Olivia Chapman, FNPFamily Nurse Practitioner1952853343
- James Clemens, M.D.Family Medicine Physician1427043744
Verify Steven Carl Locker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 27787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average surgery physician in 2024
102 Medicare Part D claims for 46 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole62 claims
- Sucralfate12 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): 83.6 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).
Bills Medicare through one group practice
- Orange City Municipal HospitalOrange City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Carl Locker among 437 surgery physician records in Iowa
Steven Carl Locker, M.D. is one of 437 surgery physician records with a practice address in Iowa. 73% 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, 89% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1985 · median 2005 among the 218 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 surgery physician records list a practice address in Orange City
They are 4 of the 186 NPPES records with a practice address in Orange City, and 437 surgery physician records in Iowa.
All 437 in Iowa → Every provider in Orange City → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Daniel Locker, MDOrange City, IA 510411205364338
- Brent Nykamp, M.D.Orange City, IA 510411568646222
- Seth Petersen, MDOrange City, IA 510411417410820
- Brooke Konz, MDLe Mars, IA 510311386174332
- Shahid Naqvi, M.D.Le Mars, IA 510311457412314
- Mark Stelzer, M.D.Le Mars, IA 510311700886314
- John Garred, M.D.Whiting, IA 510631770550196
- Mai Al Khadem, MDSioux City, IA 511041134651979
Common questions
What is Steven Carl Locker, M.D.'s NPI number?
Steven Carl Locker, M.D.'s National Provider Identifier (NPI) is 1598762254, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Carl Locker, M.D. located?
The NPPES record lists a practice address at 1000 Lincoln Cir SE, Orange City, IA, 51041. Phone: (712) 737-5317. Providers update this record themselves, so call before visiting.
How can I verify Steven Carl Locker, M.D.'s license?
NPPES lists Iowa license number 27787, 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 Steven Carl Locker, M.D. prescribe under Medicare Part D?
In 2024, Steven Carl Locker, M.D. had 102 Medicare Part D claims for 46 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Steven Carl Locker, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.6 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.