NPPES file of Aug 9, 2026

Nathan Carroll, M.D.

Family Medicine Physician · Santa Paula, CA

Nathan Carroll, M.D. is a family medicine physician with a practice address in Santa Paula, California, and NPI 1821318684, issued on Jun 3, 2010. Check the license (California A119601, as entered in NPPES) on the Medical Board of California; 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
1821318684
Name
Nathan Carroll
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A119601 CA
Self-reported in NPPES; status is on the state search
Practice location
825 N 10TH St, Santa Paula, CA 93060
Phone
(805) 933-8632
Enumerated
Jun 3, 2010
Record last updated
Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120615000573); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2011
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 825 N 10TH St

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

  1. Michelle Azimov, M.D.Internal Medicine Physician1831293273
  2. Carl Constantine, M.D.Internal Medicine Physician1669586293
  3. Andrea Gonzales, M.D.Emergency Medicine Physician1659313534
  4. Jordana Kaban, DOEmergency Medicine Physician1457511917
  5. Yasha Long, MD.Emergency Medicine Physician1265745871
  6. Jerold Noah, M.D.Family Medicine Physician1073680336

Verify Nathan Carroll in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119601
    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 California 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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98% fewer Medicare Part D claims than the average family medicine physician in 2024

87 Medicare Part D claims for 35 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Nathan Carroll87
  2. Specialty average3,544

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): 87.2 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 score84.1
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. County OF VenturaVentura, CA

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

Nathan Carroll among 17,133 family medicine physician records in California

Nathan Carroll, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.

  • NPI issued2010 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2011 · median 2005 among the 10,652 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 family medicine physician records list a practice address in Santa Paula

They are 14 of the 366 NPPES records with a practice address in Santa Paula, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Victor Contreras, M.D.Santa Paula, CA 930601033223037
  2. Victor Dominguez, M.D.Santa Paula, CA 930601710924006
  3. Heidi Escurra, M.D.Santa Paula, CA 930601477722791
  4. Christina Hofer, M.D.Santa Paula, CA 930601881895431
  5. Nancy Lu, MDSanta Paula, CA 930601659513414
  6. Alan Lyne, M.D.Santa Paula, CA 930601083707087
  7. Alexander Meyer, M.D.Santa Paula, CA 930601285671206
  8. Jerold Noah, M.D.Santa Paula, CA 930601073680336

Common questions

What is Nathan Carroll, M.D.'s NPI number?

Nathan Carroll, M.D.'s National Provider Identifier (NPI) is 1821318684, issued on Jun 3, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Carroll, M.D. located?

The NPPES record lists a practice address at 825 N 10TH St, Santa Paula, CA, 93060. Phone: (805) 933-8632. Providers update this record themselves, so call before visiting.

How can I verify Nathan Carroll, M.D.'s license?

NPPES lists California license number A119601, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathan Carroll, M.D. prescribe under Medicare Part D?

In 2024, Nathan Carroll, M.D. had 87 Medicare Part D claims for 35 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Nathan Carroll, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.2 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.