NPPES file of Aug 9, 2026

Kristopher Paul Wentzel, M.D.

Hematology & Oncology Physician · Los Angeles, CA

Kristopher Paul Wentzel, M.D. is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1427317403, issued on May 10, 2012. Check the license (California A128813, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427317403
Name
Kristopher Paul Wentzel
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A128813 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 N State St, Los Angeles, CA 90033
Phone
(323) 226-7556
Enumerated
May 10, 2012
Record last updated
Jun 7, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(323) 226-2657
Medicare enrollment
Enrolled (PECOS I20180717003003); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 2012
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 1200 N State St

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

  1. Sadeea Abbasi, M.D., PH.D.Gastroenterology Physician1366713513
  2. Danna Abdel-Khader, MDInternal Medicine Physician1780977827
  3. Terri Leigh Abe, MDInternal Medicine Physician1881897569
  4. Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
  5. Zachary AbelsonObstetrics & Gynecology Physician1689237414
  6. Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484

Verify Kristopher Paul Wentzel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A128813
    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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32% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

598 Medicare Part D claims for 89 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Kristopher Wentzel598
  2. Specialty average877

Most prescribed

  1. Abiraterone Acetate53 claims
  2. Prednisone48 claims
  3. Eliquis38 claims
  4. Hydroxyurea36 claims
  5. Warfarin Sodium34 claims
  6. Xarelto26 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.7
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cedars-Sinai Medical Care FoundationSanta Monica, CA

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

Kristopher Paul Wentzel among 1,583 hematology & oncology physician records in California

Kristopher Paul Wentzel, M.D. is one of 1,583 hematology & oncology 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 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2012 · median 2003 among the 1,124 with a school on file
  • Record last updated2018 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Warren Banta, MDLos Angeles, CA 900331861695678
  2. Arati Chand, M.D.Los Angeles, CA 900331942434212
  3. Rahel Demisse, M.D.Los Angeles, CA 900331124462486
  4. John Hu, M.D.Los Angeles, CA 900331649698127
  5. Byung Lee, D.OLos Angeles, CA 900331780975136
  6. Yi-Tsung Lu, M.D.Los Angeles, CA 900331649685504
  7. Austin Ma, MDLos Angeles, CA 900331598700627
  8. Michael Maranzano, M.D.Los Angeles, CA 900331114453016

Common questions

What is Kristopher Paul Wentzel, M.D.'s NPI number?

Kristopher Paul Wentzel, M.D.'s National Provider Identifier (NPI) is 1427317403, issued on May 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kristopher Paul Wentzel, M.D. located?

The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 226-7556. Providers update this record themselves, so call before visiting.

How can I verify Kristopher Paul Wentzel, M.D.'s license?

NPPES lists California license number A128813, 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 Kristopher Paul Wentzel, M.D. prescribe under Medicare Part D?

In 2024, Kristopher Paul Wentzel, M.D. had 598 Medicare Part D claims for 89 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Kristopher Paul Wentzel, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.