NPPES file of Aug 9, 2026

Adam Christopher Deising, D.O.

Hepatology Physician · La Jolla, CA

Adam Christopher Deising, D.O. is a hepatology physician with a practice address in La Jolla, California, and NPI 1235285222, issued on Jan 25, 2007. Check the license (California 20A9780, 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
1235285222
Name
Adam Christopher Deising
Credential
D.O.
Primary taxonomy
Hepatology Physician 207RI0008X
License number
20A9780 CA
Self-reported in NPPES; status is on the state search
Practice location
10666 N Torrey Pines RD, La Jolla, CA 92037
Phone
(858) 554-4310
Enumerated
Jan 25, 2007
Record last updated
Aug 27, 2024
Fax
(858) 554-4311
Medicare enrollment
Enrolled (PECOS I20160303002216); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2005
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 10666 N Torrey Pines RD

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

  1. Terri Abbott, P.A.Physician Assistant1811165566
  2. Richard Abello, M.D.Diagnostic Radiology Physician1245205996
  3. Amanda Abrisch, AUDAudiologist1780966903
  4. Edsel Abud, MD, PHDAllergy & Immunology Physician1891257192
  5. Christina Adams, MDCardiovascular Disease Physician1023164605
  6. Dylan Adamson, M.D.Transplant Surgery Physician1598030702

Verify Adam Christopher Deising in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A9780
    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

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35% more Medicare Part D claims than the average hepatology physician in 2024

1,029 Medicare Part D claims for 173 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Adam Deising1,029
  2. Specialty average762

Most prescribed

  1. Tacrolimus123 claims
  2. Xifaxan79 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf58 claims
  4. Pantoprazole Sodium57 claims
  5. Spironolactone57 claims
  6. Furosemide50 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: $31,760.99

83 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 177 providers of this specialty with any payment received $18,492.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adam Deising$31,761
  2. Specialty average$18,493

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. Scripps HealthMurrieta, CA

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

Hepatology Physician providers in California

There are 43 hepatology physician records in California.

Other hepatology physician records in California

  1. Walid Ayoub, M.D.West Hollywood, CA1073524211
  2. Harjot Bath, MDFresno, CA1699394627
  3. Maurizio Bonacini, M.D.San Francisco, CA1114944972
  4. Allen Cooper, M.D.Stanford, CA1477624609
  5. Albert Do, MD, MPHSacramento, CA1942575154
  6. Deepti Dronamraju, MDPalo Alto, CA1265692180
  7. Mohamed El Kabany, MDLos Angeles, CA1316004757
  8. Karl Esrason, MDLos Angeles, CA1982763553
  9. Gabriel Garcia, M.D.Palo Alto, CA1144378597
  10. Robert Gish, M.D.Folsom, CA1548281322

Common questions

What is Adam Christopher Deising, D.O.'s NPI number?

Adam Christopher Deising, D.O.'s National Provider Identifier (NPI) is 1235285222, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Adam Christopher Deising, D.O. located?

The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-4310. Providers update this record themselves, so call before visiting.

How can I verify Adam Christopher Deising, D.O.'s license?

NPPES lists California license number 20A9780, 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 Adam Christopher Deising, D.O. prescribe under Medicare Part D?

In 2024, Adam Christopher Deising, D.O. had 1,029 Medicare Part D claims for 173 beneficiaries; the average among hepatology physician prescribers was 762. 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.