NPPES file of Aug 9, 2026

Michael B. Van Scoy-Mosher, M.D.

Hematology & Oncology Physician · Los Angeles, CA

Michael B. Van Scoy-Mosher, M.D. is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1619086568, issued on Aug 30, 2006. Check the license (California G22248, 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
1619086568
Name
Michael B. Van Scoy-Mosher
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
G22248 CA
Self-reported in NPPES; status is on the state search
Practice location
8635 W 3RD St, Los Angeles, CA 90048
Phone
(310) 659-9397
Enumerated
Aug 30, 2006
Record last updated
Oct 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 854-3028
Medicare enrollment
Enrolled (PECOS I20081023000330); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1966
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 8635 W 3RD St

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

  1. Rodrigo Alban, M.D.Surgical Critical Care Physician1023192663
  2. Kimberly Alva, NPAcute Care Nurse Practitioner1659583607
  3. Alagappan Annamalai, M.D.Surgery Physician1215182910
  4. Alenoush Aramian, PHARM.D., BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1891163614
  5. Roy Artal, M.D.Pulmonary Disease Physician1720169972
  6. Guita Balakhane, M.D.,Nephrology Physician1326027806

Verify Michael B. Van Scoy-Mosher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G22248
    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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56% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

386 Medicare Part D claims for 80 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Michael Van Scoy-Mosher386
  2. Specialty average877

Most prescribed

  1. Anastrozole174 claims
  2. Exemestane45 claims
  3. Raloxifene Hcl24 claims
  4. Ibrance20 claims
  5. Tamoxifen Citrate19 claims
  6. Letrozole17 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): 100 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 score86.4
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%99.0
  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. Van Scoy-Mosher Miller MdsLos Angeles, CA

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

Michael B. Van Scoy-Mosher among 1,583 hematology & oncology physician records in California

Michael B. Van Scoy-Mosher, M.D. is one of 1,583 hematology & oncology 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 54% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1966 · median 2003 among the 1,124 with a school on file
  • Record last updated2019 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Mouni Audeh, M.D.West Hollywood, CA 900481265592174
  2. John Chute, M.D.West Hollywood, CA 900481164505319
  3. Maria Delioukina, MDWest Hollywood, CA 900481023035078
  4. Charles Forscher, MDLos Angeles, CA 900481235239088
  5. Richard Gould, MDWest Hollywood, CA 900481194743385
  6. Andrew Hendifar, MD, MPHWest Hollywood, CA 900481649473414
  7. Leonid Kleynberg, M.D.Los Angeles, CA 900481891750212
  8. Vera Kleynberg, M.D.Los Angeles, CA 900481568428324

Common questions

What is Michael B. Van Scoy-Mosher, M.D.'s NPI number?

Michael B. Van Scoy-Mosher, M.D.'s National Provider Identifier (NPI) is 1619086568, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael B. Van Scoy-Mosher, M.D. located?

The NPPES record lists a practice address at 8635 W 3RD St, Los Angeles, CA, 90048. Phone: (310) 659-9397. Providers update this record themselves, so call before visiting.

How can I verify Michael B. Van Scoy-Mosher, M.D.'s license?

NPPES lists California license number G22248, 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 Michael B. Van Scoy-Mosher, M.D. prescribe under Medicare Part D?

In 2024, Michael B. Van Scoy-Mosher, M.D. had 386 Medicare Part D claims for 80 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Michael B. Van Scoy-Mosher, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.