NPPES file of Aug 9, 2026

Darin Lee Frerichs, D.O.

Anesthesiology Physician · Des Moines, IA

Darin Lee Frerichs, D.O. is an anesthesiology physician with a practice address in Des Moines, Iowa, and NPI 1285687111, issued on May 19, 2006. Check the license (Iowa 3699, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285687111
Name
Darin Lee Frerichs
Credential
D.O.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
3699 IA
Self-reported in NPPES; status is on the state search
Practice location
411 Laurel St, Des Moines, IA 50314
Phone
(515) 283-0463
Enumerated
May 19, 2006
Record last updated
Oct 22, 2025
Fax
(515) 283-0794
Medicaid ID
0490458 IA
Medicare enrollment
Enrolled (PECOS I20060925000053); accepts Medicare assignment
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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Also registered at 411 Laurel St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Johan Aerts, D.O.Surgery Physician1962683243
  2. Robert Albin, CRNACertified Registered Nurse Anesthetist1164542502
  3. Mohammed Aldosari, M.D.Pediatrics Physician1255690293
  4. Caleb Anderson, AGACNP-BCAcute Care Nurse Practitioner1902218324
  5. Martin Aronow, D.O.Interventional Cardiology Physician1497737282
  6. Brandon BarnhartCertified Registered Nurse Anesthetist1760067839

Verify Darin Lee Frerichs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 3699
    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
Open the Iowa license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 55.6 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.

  1. Qualityout of 100 · 30% of the final score59.4
  2. Costout of 100 · 30%26.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $60.82

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Darin Frerichs$60.82
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Cep America - Anesthesia PCDes Moines, IA
  2. Mercy Medical CenterCedar Rapids, IA
  3. State University OF IowaIowa City, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Darin Lee Frerichs among 569 anesthesiology physician records in Iowa

Darin Lee Frerichs, D.O. is one of 569 anesthesiology 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 21% of them.

  • NPI issued2006 · 21% of these records are older, 59% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2001 · median 2006 among the 361 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

114 anesthesiology physician records list a practice address in Des Moines

They are 114 of the 5,538 NPPES records with a practice address in Des Moines, and 569 anesthesiology physician records in Iowa.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. James Bartlett, MDDes Moines, IA 503141043210081
  2. Christine Carstensen, MDDes Moines, IA 503141083606222
  3. Jim Duong, MDDes Moines, IA 503141811980394
  4. Kent Edelman, MDDes Moines, IA 503141710979828
  5. Kenton Hall, MDDes Moines, IA 503141811989395
  6. Maurice Hart, MADes Moines, IA 503141922090109
  7. Robert Kitterman, MDDes Moines, IA 503141982696993
  8. Grant Kruse, MDDes Moines, IA 503141497747000

Common questions

What is Darin Lee Frerichs, D.O.'s NPI number?

Darin Lee Frerichs, D.O.'s National Provider Identifier (NPI) is 1285687111, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darin Lee Frerichs, D.O. located?

The NPPES record lists a practice address at 411 Laurel St, Des Moines, IA, 50314. Phone: (515) 283-0463. Providers update this record themselves, so call before visiting.

How can I verify Darin Lee Frerichs, D.O.'s license?

NPPES lists Iowa license number 3699, 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.

What is Darin Lee Frerichs, D.O.'s MIPS final score?

The 2023 MIPS final score is 55.6 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.