Daniel J. Casper, MD, FACS
Specialist · Pasadena, CA
Daniel J. Casper, MD, FACS is a specialist with a practice address in Pasadena, California, and NPI 1740403617, issued on Apr 10, 2007. Check the license (California G63100, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel J. Casper
- Credential
- MD, FACS
- Primary taxonomy
- Specialist 174400000X
- License number
- G63100 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Congress St, Pasadena, CA 91105
- Phone
- (626) 796-7158
- Enumerated
- Apr 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 796-8081
- Entity
- Type 1 · individual
Also registered at 10 Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel J. Casper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G63100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average specialist in 2024
62 Medicare Part D claims for 15 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Montelukast Sodium15 claims
- Cephalexin13 claims
- Hydrocodone-Acetaminophen11 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.
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There are 5,749 specialist records in California.
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Common questions
What is Daniel J. Casper, MD, FACS's NPI number?
Daniel J. Casper, MD, FACS's National Provider Identifier (NPI) is 1740403617, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel J. Casper, MD, FACS located?
The NPPES record lists a practice address at 10 Congress St, Pasadena, CA, 91105. Phone: (626) 796-7158. Providers update this record themselves, so call before visiting.
How can I verify Daniel J. Casper, MD, FACS's license?
NPPES lists California license number G63100, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel J. Casper, MD, FACS prescribe under Medicare Part D?
In 2024, Daniel J. Casper, MD, FACS had 62 Medicare Part D claims for 15 beneficiaries; the average among specialist prescribers was 1,380. 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.