NPPES file of Aug 9, 2026

David A. Orenberg, MD

Emergency Medicine Physician · Fremont, CA

David A. Orenberg, MD is an emergency medicine physician with a practice address in Fremont, California, and NPI 1710017710, issued on Mar 7, 2007. Check the license (California C033846, 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
1710017710
Name
David A. Orenberg
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
C033846 CA
Self-reported in NPPES; status is on the state search
Practice location
2000 Mowry Ave, Fremont, CA 94538
Phone
(510) 791-3430
Enumerated
Mar 7, 2007
Record last updated
Jul 9, 2007 (not updated in 19 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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Also registered at 2000 Mowry Ave

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

  1. Suselina Acosta-Goldstein, MDPsychiatry Physician1841557683
  2. Carmencita Agcaoili, M.D.Critical Care Medicine (Internal Medicine) Physician1285652396
  3. Paul Aguilera, MDInternal Medicine Physician1023639804
  4. Nivek Amin, MDAnesthesiology Physician1518288125
  5. Harry Andrews, MDEmergency Medicine Physician1295865426
  6. Sophia Antoun, PA-CPhysician Assistant1205513645

Verify David A. Orenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C033846
    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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87% fewer Medicare Part D claims than the average emergency medicine physician in 2024

30 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. David Orenberg30
  2. Specialty average226

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.

David A. Orenberg among 7,751 emergency medicine physician records in California

David A. Orenberg, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Naveenpal Bhatti, MDFremont, CA 945381700961463
  2. William Busby, MDFremont, CA 945381407986649
  3. Leif Canfield, MDFremont, CA 945381891873386
  4. Betty Chu, MDFremont, CA 945381578641015
  5. Neal Dickler, MDFremont, CA 945381902936149
  6. Kadeer Halimi, D.O.Fremont, CA 945381912995952
  7. Adele Hultin, MDFremont, CA 945381144305814
  8. Sun Lin, MDFremont, CA 945381215098298

Common questions

What is David A. Orenberg, MD's NPI number?

David A. Orenberg, MD's National Provider Identifier (NPI) is 1710017710, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David A. Orenberg, MD located?

The NPPES record lists a practice address at 2000 Mowry Ave, Fremont, CA, 94538. Phone: (510) 791-3430. Providers update this record themselves, so call before visiting.

How can I verify David A. Orenberg, MD's license?

NPPES lists California license number C033846, 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 David A. Orenberg, MD prescribe under Medicare Part D?

In 2024, David A. Orenberg, MD had 30 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.