NPPES file of Aug 9, 2026

David J. Horner, MD

Family Medicine Physician · Big Bear Lake, CA

David J. Horner, MD is a family medicine physician with a practice address in Big Bear Lake, California, and NPI 1407112923, issued on Apr 10, 2012. Check the license (California A141403, 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
1407112923
Name
David J. Horner
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A141403 CA
Self-reported in NPPES; status is on the state search
Practice location
42002 Fox Farm RD Unit 200, Big Bear Lake, CA 92315
Phone
(909) 878-8000
Enumerated
Apr 10, 2012
Record last updated
May 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160727001445); 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

Verify David J. Horner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A141403
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

14% fewer Medicare Part D claims than the average family medicine physician in 2024

3,048 Medicare Part D claims for 515 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 64 claims were for opioids.

  1. David Horner3,048
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium185 claims
  2. Amlodipine Besylate156 claims
  3. Levothyroxine Sodium141 claims
  4. Gabapentin129 claims
  5. Lisinopril128 claims
  6. Terazosin Hcl76 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: $124.82

6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Horner$124.82
  2. Specialty average$902.55

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. Vvipa Medical Group IncBig Bear Lake, CA

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

David J. Horner among 17,133 family medicine physician records in California

David J. Horner, MD 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 2012, is newer than 66% of them.

  • NPI issued2012 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2012 · 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).

4 family medicine physician records list a practice address in Big Bear Lake

They are 4 of the 189 NPPES records with a practice address in Big Bear Lake, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Brent Beaird, MDBig Bear Lake, CA 923151003854738
  2. Steven Knapik, D.O.Big Bear Lake, CA 923151992882955
  3. Jeffrey Orr, MDBig Bear Lake, CA 923151336401702
  4. Calvin Lambert Hall, M.D.Bloomington, CA 923161427483254
  5. Philip Farabaugh, MDGrand Terrace, CA 923131285763615
  6. Sukhdeep Gill, M.D.Grand Terrace, CA 923131881837813
  7. Cassidy KooGrand Terrace, CA 923131497495535
  8. Margaret McLeod, M.D.Grand Terrace, CA 923131144472580

Common questions

What is David J. Horner, MD's NPI number?

David J. Horner, MD's National Provider Identifier (NPI) is 1407112923, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is David J. Horner, MD located?

The NPPES record lists a practice address at 42002 Fox Farm RD Unit 200, Big Bear Lake, CA, 92315. Phone: (909) 878-8000. Providers update this record themselves, so call before visiting.

How can I verify David J. Horner, MD's license?

NPPES lists California license number A141403, 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 J. Horner, MD prescribe under Medicare Part D?

In 2024, David J. Horner, MD had 3,048 Medicare Part D claims for 515 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.