NPPES file of Aug 9, 2026

Martin Schlusselberg, M.D.

Specialist · Riverside, CA

Martin Schlusselberg, M.D. is a specialist with a practice address in Riverside, California, and NPI 1083658579, issued on Jun 15, 2006. Check the license (California C41554, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083658579
Name
Martin Schlusselberg
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
C41554 CA
Self-reported in NPPES; status is on the state search
Practice location
6869 Indiana Ave, Riverside, CA 92506
Phone
(951) 683-9999
Enumerated
Jun 15, 2006
Record last updated
Nov 19, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid ID
00C415540 CA
Medicare enrollment
Enrolled (PECOS I20050406001197); may accept Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1981
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.
Download card Updates feed

8 nearest specialist records → All 5,749 in California → Look up another NPI →

Verify Martin Schlusselberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license C41554    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
Find 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

65% fewer Medicare Part D claims than the average specialist in 2024

479 Medicare Part D claims for 40 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Martin Schlusselberg479
  2. Specialty average1,380

Most prescribed

  1. Atorvastatin Calcium30 claims
  2. Amlodipine Besylate22 claims
  3. Pantoprazole Sodium21 claims
  4. Montelukast Sodium19 claims
  5. Levothyroxine Sodium16 claims
  6. Zolpidem Tartrate14 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.

Martin Schlusselberg among 5,749 specialist records in California

Martin Schlusselberg, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1981 · median 1989 among the 1,075 with a school on file
  • Record last updated2014 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

All 5,749 in California → Every provider in Riverside → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Kimberly BaeselRiverside, CA 925061588245104
  2. Katerina Phoenix Bereford-WoodRiverside, CA 925061801464656
  3. Ben Childers, M.D.Riverside, CA 925061932287471
  4. Aruna Gupta, MDRiverside, CA 925061326114554
  5. Larissa GutierrezRiverside, CA 925061548929102
  6. Dana KeimRiverside, CA 925061639625247
  7. Alan Kwasman, M.D.Riverside, CA 925061558383091
  8. Tracy Maccallum, LMTRiverside, CA 925061780709899

Common questions

What is Martin Schlusselberg, M.D.'s NPI number?

Martin Schlusselberg, M.D.'s National Provider Identifier (NPI) is 1083658579, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martin Schlusselberg, M.D. located?

The NPPES record lists a practice address at 6869 Indiana Ave, Riverside, CA, 92506. Phone: (951) 683-9999. Providers update this record themselves, so call before visiting.

How can I verify Martin Schlusselberg, M.D.'s license?

NPPES lists California license number C41554, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Martin Schlusselberg, M.D. prescribe under Medicare Part D?

In 2024, Martin Schlusselberg, M.D. had 479 Medicare Part D claims for 40 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.