NPPES file of Aug 9, 2026

Ralph Moskowitz, M.D.

Cardiovascular Disease Physician · Martinez, CA

Ralph Moskowitz, M.D. is a cardiovascular disease physician with a practice address in Martinez, California, and NPI 1134102122, issued on Nov 22, 2005. Check the license (California G44647, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1134102122
Name
Ralph Moskowitz
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G44647 CA
Self-reported in NPPES; status is on the state search
Practice location
150 Muir RD, Martinez, CA 94553
Phone
(925) 372-2000
Enumerated
Nov 22, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 372-2816
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 cardiovascular disease physician records → All 2,574 in California → Look up another NPI →

Also registered at 150 Muir RD

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

  1. Tanya Aaen, PH.D.Clinical Psychologist1477518561
  2. Pamela AdhlakhaOccupational Therapist1013016575
  3. Maria Affinito, LCSWClinical Social Worker1962395905
  4. Janet Alexander, MS-SLPSpeech-Language Pathologist1649214578
  5. Nigina Ali, PHARM.D.Oncology Pharmacist1760022545
  6. Anna AllenPharmacist1164909875

Verify Ralph Moskowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G44647    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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Ralph Moskowitz among 2,574 cardiovascular disease physician records in California

Ralph Moskowitz, M.D. is one of 2,574 cardiovascular disease 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 not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,574 in California → Every provider in Martinez → Cardiovascular Disease Physician nationwide →

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Rose Cohen, M.D.Martinez, CA 945531447422613
  2. Shantha Ursell, M.D.Martinez, CA 945531316913866
  3. Keiko Aikawa, MDNapa, CA 945581194808121
  4. Daryl Dizmang, MDNapa, CA 945581033222385
  5. Maia Eng, M.D.Napa, CA 945581043604515
  6. Brian Mundy, M.D.Napa, CA 945581225026180
  7. Stephen Morris, MDCastro Valley, CA 945461184155566
  8. Rajbir Sidhu, M.D.Castro Valley, CA 945461164818118

Common questions

What is Ralph Moskowitz, M.D.'s NPI number?

Ralph Moskowitz, M.D.'s National Provider Identifier (NPI) is 1134102122, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Moskowitz, M.D. located?

The NPPES record lists a practice address at 150 Muir RD, Martinez, CA, 94553. Phone: (925) 372-2000. Providers update this record themselves, so call before visiting.

How can I verify Ralph Moskowitz, M.D.'s license?

NPPES lists California license number G44647, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.