NPPES file of Aug 9, 2026

Mary Kasem, MD

Family Medicine Physician · Claremont, CA

Mary Kasem, MD is a family medicine physician with a practice address in Claremont, California, and NPI 1982639993, issued on Jul 11, 2006. Check the license (California A72302, 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
1982639993
Name
Mary Kasem
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A72302 CA
Self-reported in NPPES; status is on the state search
Practice location
430 W Baseline RD, Claremont, CA 91711
Phone
(909) 621-3916
Enumerated
Jul 11, 2006
Record last updated
Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(909) 625-0903
Medicare enrollment
Enrolled (PECOS I20031121000796); 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 430 W Baseline RD

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

  1. Robyn Jacoby, DOFamily Medicine Physician1487623575
  2. Glenn Miya, MDPediatrics Physician1912967894
  3. Paul Orr, M.D.Family Medicine Physician1417950221
  4. Robert Rocco, MDFamily Medicine Physician1982826236

Verify Mary Kasem in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A72302
    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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34% more Medicare Part D claims than the average family medicine physician in 2024

4,733 Medicare Part D claims for 454 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Mary Kasem4,733
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium397 claims
  2. Atorvastatin Calcium378 claims
  3. Amlodipine Besylate220 claims
  4. Hydrochlorothiazide215 claims
  5. Lisinopril163 claims
  6. Metoprolol Tartrate148 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): 81.4 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 score48.4
  2. Costout of 100 · 30%81.1
  3. Promoting interoperabilityout of 100 · 25%75.0
  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).

Industry payments in 2024: $153.42

8 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Kasem$153.42
  2. Specialty average$902.55

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

Bills Medicare through 2 group practices

  1. Chaparral Medical Group IncClaremont, CA
  2. United Hospitalist IncRancho Cucamonga, CA

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

Mary Kasem among 17,133 family medicine physician records in California

Mary Kasem, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1998 · median 2005 among the 10,652 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 family medicine physician records list a practice address in Claremont

They are 34 of the 800 NPPES records with a practice address in Claremont, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Alan Bergen, M.D.Claremont, CA 917111700022118
  2. Javier Chang, M.D.Claremont, CA 917111558565366
  3. Jennie Ho, M.D.Claremont, CA 917111013082403
  4. Lester Holstein, MDClaremont, CA 917111720088792
  5. Robyn Jacoby, DOClaremont, CA 917111487623575
  6. Yen Lai, MDClaremont, CA 917111033110671
  7. Paul Orr, M.D.Claremont, CA 917111417950221
  8. Jin Park, D.O.Claremont, CA 917111992800353

Common questions

What is Mary Kasem, MD's NPI number?

Mary Kasem, MD's National Provider Identifier (NPI) is 1982639993, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Kasem, MD located?

The NPPES record lists a practice address at 430 W Baseline RD, Claremont, CA, 91711. Phone: (909) 621-3916. Providers update this record themselves, so call before visiting.

How can I verify Mary Kasem, MD's license?

NPPES lists California license number A72302, 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 Mary Kasem, MD prescribe under Medicare Part D?

In 2024, Mary Kasem, MD had 4,733 Medicare Part D claims for 454 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Mary Kasem, MD's MIPS final score?

The 2023 MIPS final score is 81.4 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.