NPPES file of Aug 9, 2026

Christopher Michael Purmer, M.D.

Cardiovascular Disease Physician · Thousand Oaks, CA

Christopher Michael Purmer, M.D. is a cardiovascular disease physician with a practice address in Thousand Oaks, California, and NPI 1124058169, issued on Jul 4, 2006. Check the license (California G74571, 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
1124058169
Name
Christopher Michael Purmer
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G74571 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Newbury RD, Thousand Oaks, CA 91320
Phone
(805) 480-2600
Enumerated
Jul 4, 2006
Record last updated
Feb 14, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(805) 480-2677
Medicare enrollment
Enrolled (PECOS I20040308000832); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 1990
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 1000 Newbury RD

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

  1. Manijeh Ezatvar, RPTSpecialist1598909855
  2. Ardeshir Farshidi, M.D.Clinical Cardiac Electrophysiology Physician1790703643
  3. Jerald Hong, DDSGeneral Practice Dentistry1306920616
  4. Kari Hong, D.D.S.General Practice Dentistry1699099093
  5. Nosrat Javidan, M.D.Orthopaedic Surgery Physician1417911926
  6. Bruce Kaplan, D.C.Chiropractor1861651564

Verify Christopher Michael Purmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G74571
    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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2.9 times the Medicare Part D claims of the average cardiovascular disease physician in 2024

8,893 Medicare Part D claims for 1,216 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Christopher Purmer8,893
  2. Specialty average3,078

Most prescribed

  1. Rosuvastatin Calcium900 claims
  2. Atorvastatin Calcium830 claims
  3. Eliquis669 claims
  4. Metoprolol Succinate612 claims
  5. Amlodipine Besylate496 claims
  6. Olmesartan Medoxomil310 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $2,622.74

130 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. 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 Purmer$2,622.74
  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. Heart Center CardiologyThousand Oaks, CA

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

Christopher Michael Purmer among 2,574 cardiovascular disease physician records in California

Christopher Michael Purmer, M.D. 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
  • Graduated1990 · median 1999 among the 1,742 with a school on file
  • Record last updated2012 · 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. Hans Gao, MDThousand Oaks, CA 913201538663919
  2. Michael Papanicolaou, M.D.Thousand Oaks, CA 913201922038967
  3. Scott Wasserman, MDNewbury Park, CA 913201528405818
  4. Felix BarteNewhall, CA 913211922119148
  5. Harold QuanNewhall, CA 913211033220256
  6. Madhu ModyEncino, CA 913161700295680
  7. Zouheir Elias, MDNorthridge, CA 913251962460501
  8. Richard Pego, MDNorthridge, CA 913251073627022

Common questions

What is Christopher Michael Purmer, M.D.'s NPI number?

Christopher Michael Purmer, M.D.'s National Provider Identifier (NPI) is 1124058169, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Michael Purmer, M.D. located?

The NPPES record lists a practice address at 1000 Newbury RD, Thousand Oaks, CA, 91320. Phone: (805) 480-2600. Providers update this record themselves, so call before visiting.

How can I verify Christopher Michael Purmer, M.D.'s license?

NPPES lists California license number G74571, 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 Michael Purmer, M.D. prescribe under Medicare Part D?

In 2024, Christopher Michael Purmer, M.D. had 8,893 Medicare Part D claims for 1,216 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Christopher Michael Purmer, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.