NPPES file of Aug 9, 2026

Nathan Barker, LP

Psychologist · Ames, IA

Nathan Barker, LP is a psychologist with a practice address in Ames, Iowa, and NPI 1487492393, issued on Jul 16, 2024. Check the license (Iowa 121907, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487492393
Name
Nathan Barker
Credential
LP
Primary taxonomy
Psychologist 103T00000X
License number
121907 IA
Self-reported in NPPES; status is on the state search
Practice location
4720 Mortensen RD Ste 101, Ames, IA 50014
Phone
(515) 599-8904
Enumerated
Jul 16, 2024
Record last updated
Jul 16, 2024
Medicare enrollment
Enrolled (PECOS I20250619002137); 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.
Download card Updates feed

8 nearest psychologist records → All 251 in Iowa → Look up another NPI →

Also registered at 4720 Mortensen RD Ste 101

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

  1. Taya Amundson, LISWClinical Social Worker1689214017
  2. Sidney Barker, LISWClinical Social Worker1134876576
  3. Sophia BaumanMental Health Counselor1144187873
  4. Joel JorgensonMental Health Counselor1871468025
  5. Hannah McFarlandMental Health Counselor1992642359
  6. Sarah Potter, LMHCMental Health Counselor1255201901

Verify Nathan Barker 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 121907    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
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Cornerstone Counseling Center OF Ames IncAmes, IA

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

Nathan Barker among 251 psychologist records in Iowa

Nathan Barker, LP is one of 251 psychologist records with a practice address in Iowa. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2023 · median 2001 among the 68 with a school on file
  • Record last updated2024 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Iowa

There are 251 psychologist records in Iowa.

All 251 in Iowa → Every provider in Ames → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Margaret Doyle, PSY.D.Ames, IA 500141073056453
  2. Ashely Frieswyk, PSYDAmes, IA 500141386162360
  3. Meifen Wei, PH.D.Ames, IA 500111255789814
  4. Jonathan Brandon, PH.D.Ames, IA 500101366696700
  5. Summer Brunscheen, PH.D.Ames, IA 500101629169263
  6. Marilla Fox, PHDAmes, IA 500101427088699
  7. Jessica Miller-Lange, PSYDAmes, IA 500101538713656
  8. Judith Rudman, PH.D.Ames, IA 500101336230150

Common questions

What is Nathan Barker, LP's NPI number?

Nathan Barker, LP's National Provider Identifier (NPI) is 1487492393, issued on Jul 16, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Barker, LP located?

The NPPES record lists a practice address at 4720 Mortensen RD Ste 101, Ames, IA, 50014. Phone: (515) 599-8904. Providers update this record themselves, so call before visiting.

How can I verify Nathan Barker, LP's license?

NPPES lists Iowa license number 121907, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity 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.