NPPES file of Aug 9, 2026

David Preston Hansen, MD

Internal Medicine Physician · Chula Vista, CA

David Preston Hansen, MD is an internal medicine physician with a practice address in Chula Vista, California, and NPI 1275647521, issued on Aug 17, 2006. Check the license (California A24261, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275647521
Name
David Preston Hansen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A24261 CA
Self-reported in NPPES; status is on the state search
Practice location
754 Medical Center CT, Chula Vista, CA 91911
Phone
(619) 421-4000
Enumerated
Aug 17, 2006
Record last updated
Dec 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(619) 421-6395
Medicare enrollment
Enrolled (PECOS I20111213000715); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1970
Telehealth
Offers telehealth (CMS)
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 754 Medical Center CT

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

  1. Gregory Czer, MDInternal Medicine Physician1932218963
  2. Amy Day, M.D.Surgery Physician1164466173
  3. Jeannette Delvalle Velez, M.D.Internal Medicine Physician1952370074
  4. Todd Forster, PA-CMedical Physician Assistant1720181647
  5. Benjamin Hourani, MDCardiovascular Disease Physician1174637466
  6. Marco Martinez, FNPPrimary Care Nurse Practitioner1922542182

Verify David Preston Hansen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A24261
    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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3.2 times the Medicare Part D claims of the average internal medicine physician in 2024

10,162 Medicare Part D claims for 798 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 212 claims were for opioids.

  1. David Hansen10,162
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl715 claims
  2. Atorvastatin Calcium696 claims
  3. Losartan Potassium663 claims
  4. Rosuvastatin Calcium398 claims
  5. Amlodipine Besylate363 claims
  6. Levothyroxine Sodium309 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.

Industry payments in 2024: $954.02

37 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Hansen$954.02
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Chula Vista Internal Medicine And Cardiology Medical GroupChula Vista, CA

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

81 internal medicine physician records list a practice address in Chula Vista

They are 81 of the 5,329 NPPES records with a practice address in Chula Vista, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is David Preston Hansen, MD's NPI number?

David Preston Hansen, MD's National Provider Identifier (NPI) is 1275647521, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Preston Hansen, MD located?

The NPPES record lists a practice address at 754 Medical Center CT, Chula Vista, CA, 91911. Phone: (619) 421-4000. Providers update this record themselves, so call before visiting.

How can I verify David Preston Hansen, MD's license?

NPPES lists California license number A24261, 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 David Preston Hansen, MD prescribe under Medicare Part D?

In 2024, David Preston Hansen, MD had 10,162 Medicare Part D claims for 798 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.