NPPES file of Aug 9, 2026

Carson Twiss

Student in an Organized Health Care Education/Training Program · Ross, CA

Carson Twiss is a student in an organized health care education/training program with a practice address in Ross, California, and NPI 1285303750, issued on Sep 8, 2021. Check the license with the California 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
1285303750
Name
Carson Twiss
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
45 Laurel Grove Ave, Ross, CA 94957
Phone
(415) 300-6091
Enumerated
Sep 8, 2021
Record last updated
Sep 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Carson Twiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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92% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

14 Medicare Part D claims for 11 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Carson Twiss14
  2. Specialty average185

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.

Industry payments in 2024: $125.51

2 payments; by number, the most common kind was food and beverage; the largest payer was Innovation Technologies Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carson Twiss$125.51
  2. Specialty average$608.08

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

Carson Twiss among 40,652 student in an organized health care education/training program records in California

Carson Twiss is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 28% of them.

  • NPI issued2021 · 28% of these records are older, 66% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2021 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Student in an Organized Health Care Education/Training Program providers in California

There are 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Kira Barron, DMDPoint Reyes Station, CA 949561356801666
  2. Ramiro CamposPoint Reyes Station, CA 949561922179902
  3. Robyn El-Bardai, MAPoint Reyes Station, CA 949561952564957
  4. Randall Herman, M.ED.Point Reyes Station, CA 949561760612444
  5. Lemny Perez, M.A.Point Reyes Station, CA 949561407901432
  6. Anika SinghWalnut Creek, CA 949561487189239
  7. Wendy Siu, M.A.Point Reyes Station, CA 949561336374842
  8. Olubunmi AjayiPetaluma, CA 949541679319891

Common questions

What is Carson Twiss's NPI number?

Carson Twiss's National Provider Identifier (NPI) is 1285303750, issued on Sep 8, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Carson Twiss located?

The NPPES record lists a practice address at 45 Laurel Grove Ave, Ross, CA, 94957. Phone: (415) 300-6091. Providers update this record themselves, so call before visiting.

How can I verify Carson Twiss's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Carson Twiss prescribe under Medicare Part D?

In 2024, Carson Twiss had 14 Medicare Part D claims for 11 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.

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.