NPPES file of Aug 9, 2026

Jonathan Nasseri, M.D.

Hospice and Palliative Medicine (Internal Medicine) Physician · Thousand Oaks, CA

Jonathan Nasseri, M.D. is a hospice and palliative medicine (internal medicine) physician with a practice address in Thousand Oaks, California, and NPI 1184669160, issued on Jun 17, 2006. Check the license (California A92026, 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
1184669160
Name
Jonathan Nasseri
Credential
M.D.
Primary taxonomy
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
License numbers
A92026 CA
34611 AZ
Self-reported in NPPES; status is on the state search
Practice location
1534 N Moorpark RD, Thousand Oaks, CA 91360
Phone
(805) 522-2500
Enumerated
Jun 17, 2006
Record last updated
Dec 15, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid IDs
1005053 CA
005207 AZ
Medicare enrollment
Enrolled (PECOS I20070508000419); accepts Medicare assignment
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 1534 N Moorpark RD

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

  1. Pedram Bagheri, MDInternal Medicine Physician1578785275
  2. Geoffrey Graham, M.D.Hospitalist Physician1356343073

Verify Jonathan Nasseri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A92026
    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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84% more Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024

1,364 Medicare Part D claims for 30 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D.

  1. Jonathan Nasseri1,364
  2. Specialty average741

Most prescribed

  1. Atorvastatin Calcium92 claims
  2. Lisinopril69 claims
  3. Potassium Chloride65 claims
  4. Baclofen58 claims
  5. Famotidine55 claims
  6. Tamsulosin Hcl55 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 MIPS final score for 2023 (Medicare payment program): 87.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score60.0
  2. Costout of 100 · 30%79.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $39.28

2 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 338 providers of this specialty with any payment received $547.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Nasseri$39.28
  2. Specialty average$547.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jonathan Nasseri among 260 hospice and palliative medicine (internal medicine) physician records in California

Jonathan Nasseri, M.D. is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 75% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2002 · median 2010 among the 193 with a school on file
  • Record last updated2015 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Internal Medicine) Physician providers in California

There are 260 hospice and palliative medicine (internal medicine) physician records in California.

The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes

  1. Ahmadreza Mirmiran, M.D.Tarzana, CA 913561376980078
  2. Matthew Gonzales, M.D.Mission Hills, CA 913451114161544
  3. Christopher Metchnikoff, M.D.Sylmar, CA 913421023365939
  4. Arash Shamsian, MD, MHAVan Nuys, CA 914011033614078
  5. Tanya Hamidi, M.D.Sherman Oaks, CA 914031740416445
  6. Bruce Ferrell, MDEncino, CA 914361487689121
  7. Babak Goldman, MDBurbank, CA 915051750542445
  8. Eric TrieuBurbank, CA 915051124439047

Common questions

What is Jonathan Nasseri, M.D.'s NPI number?

Jonathan Nasseri, M.D.'s National Provider Identifier (NPI) is 1184669160, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Nasseri, M.D. located?

The NPPES record lists a practice address at 1534 N Moorpark RD, Thousand Oaks, CA, 91360. Phone: (805) 522-2500. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Nasseri, M.D.'s license?

NPPES lists California license number A92026, 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 Jonathan Nasseri, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Nasseri, M.D. had 1,364 Medicare Part D claims for 30 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Jonathan Nasseri, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.9 of 100. 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.