Mordecai Dunst, MD
Critical Care Medicine (Internal Medicine) Physician · Duarte, CA
Mordecai Dunst, MD is a critical care medicine (internal medicine) physician with a practice address in Duarte, California, and NPI 1376649889, issued on Sep 15, 2006. Check the license (California A42987, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mordecai Dunst
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A42987 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Duarte RD, Duarte, CA 91010
- Phone
- (626) 359-8111
- Enumerated
- Sep 15, 2006
- Record last updated
- Dec 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 00A428970 CA
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 1500 E Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mordecai Dunst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
22 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tamsulosin Hcl13 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.
Mordecai Dunst among 723 critical care medicine (internal medicine) physician records in California
Mordecai Dunst, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Duarte → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Twinkle ChandakDuarte, CA 910101790003929
- Sanford Church, M.D.Duarte, CA 910101104219773
- Hugh Davis, M.D.Duarte, CA 910101174850622
- Aria Hong, M.D.Duarte, CA 910101396011557
- David Horak, MDDuarte, CA 910101972601755
- Sonal Khemani, M.D.Duarte, CA 910101457595506
- Anna Kim, MDDuarte, CA 910101508951377
- Marcus Ottochian, M.D.Duarte, CA 910101952614307
Common questions
What is Mordecai Dunst, MD's NPI number?
Mordecai Dunst, MD's National Provider Identifier (NPI) is 1376649889, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mordecai Dunst, MD located?
The NPPES record lists a practice address at 1500 E Duarte RD, Duarte, CA, 91010. Phone: (626) 359-8111. Providers update this record themselves, so call before visiting.
How can I verify Mordecai Dunst, MD's license?
NPPES lists California license number A42987, 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 Mordecai Dunst, MD prescribe under Medicare Part D?
In 2024, Mordecai Dunst, MD had 22 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.
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.