NPPES file of Aug 9, 2026

Mark Claude Kasprow, M.D.

Psychiatry Physician · Santa Cruz, CA

Mark Claude Kasprow, M.D. is a psychiatry physician with a practice address in Santa Cruz, California, and NPI 1902122112, issued on Apr 13, 2010. Check the license (California G78922, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902122112
Name
Mark Claude Kasprow
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G78922 CA
Self-reported in NPPES; status is on the state search
Practice location
3333 Mission Dr, Santa Cruz, CA 95065
Phone
(831) 457-7808
Enumerated
Apr 13, 2010
Record last updated
Apr 13, 2010 (not updated in 16 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 3333 Mission Dr

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

  1. Offra Gerstein, PH.D.Psychologist1740510643
  2. Nathan Weinstein, M.A.Marriage & Family Therapist1386776185

Verify Mark Claude Kasprow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G78922    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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86% fewer Medicare Part D claims than the average psychiatry physician in 2024

144 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Mark Kasprow144
  2. Specialty average1,000

Most prescribed

  1. Mirtazapine17 claims
  2. Venlafaxine Hcl Er14 claims
  3. Bupropion Xl13 claims
  4. Duloxetine Hcl13 claims
  5. Diazepam11 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.

Mark Claude Kasprow among 8,673 psychiatry physician records in California

Mark Claude Kasprow, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.

  • NPI issued2010 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2010 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

All 8,673 in California → Every provider in Santa Cruz → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Catherine Borchert, MDSanta Cruz, CA 950651992918692
  2. Andrew Kumasaka, M.D.Santa Cruz, CA 950651346373487
  3. Paul Luther, M.D.Santa Cruz, CA 950651437184660
  4. Ronald Sager, M.D.Santa Cruz, CA 950651780739706
  5. Freddie Weinstein, M.D.Santa Cruz, CA 950651205980729
  6. Jennifer Athey, M.D.Scotts Valley, CA 950661124329198
  7. Shuyun Lo, M.D.Santa Cruz, CA 950641508807140
  8. Danit Bar Ziv, MDSanta Cruz, CA 950621073956579

Common questions

What is Mark Claude Kasprow, M.D.'s NPI number?

Mark Claude Kasprow, M.D.'s National Provider Identifier (NPI) is 1902122112, issued on Apr 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Mark Claude Kasprow, M.D. located?

The NPPES record lists a practice address at 3333 Mission Dr, Santa Cruz, CA, 95065. Phone: (831) 457-7808. Providers update this record themselves, so call before visiting.

How can I verify Mark Claude Kasprow, M.D.'s license?

NPPES lists California license number G78922, 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 Mark Claude Kasprow, M.D. prescribe under Medicare Part D?

In 2024, Mark Claude Kasprow, M.D. had 144 Medicare Part D claims for 17 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.