NPPES file of Aug 9, 2026

Christopher Warwick Wulff, MD

Cardiovascular Disease Physician · Walnut Creek, CA

Christopher Warwick Wulff, MD is a cardiovascular disease physician with a practice address in Walnut Creek, California, and NPI 1760418172, issued on Jun 25, 2006. Check the license (California G53168, 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
1760418172
Name
Christopher Warwick Wulff
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G53168 CA
Self-reported in NPPES; status is on the state search
Practice location
106 LA Casa Via, Walnut Creek, CA 94598
Phone
(925) 274-2860
Enumerated
Jun 25, 2006
Record last updated
Nov 11, 2022
Fax
(925) 932-4527
Medicare enrollment
Enrolled (PECOS I20060918000224); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1983
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 106 LA Casa Via

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

  1. Kristine Batten, MDCardiovascular Disease Physician1578599163
  2. Andrew Benn, MDInterventional Cardiology Physician1851329270
  3. Carrie Chan, CPNPPediatric Nurse Practitioner1538413117
  4. Matthew Devane, DOCardiovascular Disease Physician1770511040
  5. Justin Keyashian, DDSDentist1609176478
  6. John Krouse, MDInterventional Cardiology Physician1740210301

Verify Christopher Warwick Wulff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53168
    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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72% more Medicare Part D claims than the average cardiovascular disease physician in 2024

5,285 Medicare Part D claims for 797 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Christopher Wulff5,285
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium700 claims
  2. Eliquis425 claims
  3. Metoprolol Succinate354 claims
  4. Rosuvastatin Calcium344 claims
  5. Amlodipine Besylate278 claims
  6. Lisinopril244 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: $1,274.12

60 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Wulff$1,274.12
  2. Specialty average$3,819.56

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. John Muir Physician NetworkWalnut Creek, CA

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

Christopher Warwick Wulff among 2,574 cardiovascular disease physician records in California

Christopher Warwick Wulff, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1983 · median 1999 among the 1,742 with a school on file
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Kristine Batten, MDWalnut Creek, CA 945981578599163
  2. Ryan Brown, MDWalnut Creek, CA 945981467425439
  3. Robert Deutscher, M.D.Walnut Creek, CA 945981467509299
  4. Matthew Devane, DOWalnut Creek, CA 945981770511040
  5. Faizul Haque, MDWalnut Creek, CA 945981609952597
  6. August Voelkel, M.D.Walnut Creek, CA 945981578565792
  7. John Vu, M.D.Walnut Creek, CA 945981124050216
  8. Neal White, MDWalnut Creek, CA 945981659301216

Common questions

What is Christopher Warwick Wulff, MD's NPI number?

Christopher Warwick Wulff, MD's National Provider Identifier (NPI) is 1760418172, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Warwick Wulff, MD located?

The NPPES record lists a practice address at 106 LA Casa Via, Walnut Creek, CA, 94598. Phone: (925) 274-2860. Providers update this record themselves, so call before visiting.

How can I verify Christopher Warwick Wulff, MD's license?

NPPES lists California license number G53168, 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 Christopher Warwick Wulff, MD prescribe under Medicare Part D?

In 2024, Christopher Warwick Wulff, MD had 5,285 Medicare Part D claims for 797 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.