NPPES file of Aug 9, 2026

Jaisha Mathew, M.D.

Pain Medicine (Psychiatry & Neurology) Physician · Duarte, CA

Jaisha Mathew, M.D. is a pain medicine (psychiatry & neurology) physician with a practice address in Duarte, California, and NPI 1861823940, issued on Nov 27, 2013. Check the license (California A157235, 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
1861823940
Name
Jaisha Mathew
Credential
M.D.
Primary taxonomy
Pain Medicine (Psychiatry & Neurology) Physician 2084P2900X
License numbers
A157235 CA
279057 NY
Self-reported in NPPES; status is on the state search
Practice location
1500 E. Duarte Road, Duarte, CA 91010
Phone
(626) 256-4673
Enumerated
Nov 27, 2013
Record last updated
Nov 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180925002381); 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 1500 E. Duarte Road

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

  1. Alice Ahn, NPGerontology Nurse Practitioner1790151405
  2. Arya Amini, M.D.Radiation Oncology Physician1487910774
  3. Javier Arias-Stella, M.D.Anatomic Pathology & Clinical Pathology Physician1427469758
  4. Cornelia Banciu-Odell, MDHospitalist Physician1487620829
  5. Elizabeth Bautista, NURSE PRACTITIONERFamily Nurse Practitioner1609172303
  6. Heather Bitar, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1326453663

Verify Jaisha Mathew in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A157235
    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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81% fewer Medicare Part D claims than the average pain medicine (psychiatry & neurology) physician in 2024

267 Medicare Part D claims for 96 beneficiaries, against an average of 1,374 among the 130 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 65 claims were for opioids.

  1. Jaisha Mathew267
  2. Specialty average1,374

Most prescribed

  1. Gabapentin41 claims
  2. Duloxetine Hcl20 claims
  3. Lidocaine18 claims
  4. Buprenorphine17 claims
  5. Hydrocodone-Acetaminophen16 claims
  6. Baclofen15 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): 99.1 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 score85.2
  2. Costnot scored (reweighted)
  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. City OF Hope Medical FoundationUpland, CA

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

Jaisha Mathew among 38 pain medicine (psychiatry & neurology) physician records in California

Jaisha Mathew, M.D. is one of 38 pain medicine (psychiatry & neurology) physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 63% of them.

  • NPI issued2013 · 63% of these records are older, 29% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2008 · median 2008 among the 23 with a school on file
  • Record last updated2020 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Psychiatry & Neurology) Physician providers in California

There are 38 pain medicine (psychiatry & neurology) physician records in California.

The 8 pain medicine (psychiatry & neurology) physician records with the nearest ZIP codes

  1. Ali Hafezi, MDWhittier, CA 906021245257948
  2. Kartik Ananth, MDTorrance, CA 905051821279423
  3. Semyon Faynboym, M.D.Torrance, CA 905021215295548
  4. Mahnaz Entezaralmahdi, M.D.Rancho Cucamonga, CA 917301881005445
  5. Haroutiun Hamzoian, MDLawndale, CA 902601568040988
  6. Fadi Alhatem, M.D.Beverly Hills, CA 902111467672485
  7. Gary Rosengarten, PH.D.Los Angeles, CA 900481689616617
  8. Ilan Danan, M.D.Los Angeles, CA 900451831590439

Common questions

What is Jaisha Mathew, M.D.'s NPI number?

Jaisha Mathew, M.D.'s National Provider Identifier (NPI) is 1861823940, issued on Nov 27, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jaisha Mathew, M.D. located?

The NPPES record lists a practice address at 1500 E. Duarte Road, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.

How can I verify Jaisha Mathew, M.D.'s license?

NPPES lists California license number A157235, 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 Jaisha Mathew, M.D. prescribe under Medicare Part D?

In 2024, Jaisha Mathew, M.D. had 267 Medicare Part D claims for 96 beneficiaries; the average among pain medicine (psychiatry & neurology) physician prescribers was 1,374. Part D covers Medicare prescriptions only.

What is Jaisha Mathew, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.1 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.