Carl Constantine, M.D.
Internal Medicine Physician · Santa Paula, CA
Carl Constantine, M.D. is an internal medicine physician with a practice address in Santa Paula, California, and NPI 1669586293, issued on Aug 19, 2006. Check the license (California G68370, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carl Constantine
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G68370 CA
Self-reported in NPPES; status is on the state search - Practice location
- 825 N 10TH St, Santa Paula, CA 93060
- Phone
- (805) 647-0880
- Enumerated
- Aug 19, 2006
- Entity
- Type 1 · individual
Also registered at 825 N 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carl Constantine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G68370Check 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 internal medicine physician in 2024
111 Medicare Part D claims for 20 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium12 claims
- Omeprazole12 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.
One hospital or facility affiliation
- Mahaska County HospitalOskaloosa, IA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
10 internal medicine physician records list a Santa Paula practice address
They are 10 of the 366 NPPES records with a Santa Paula practice address, and 20,403 internal medicine physician records in California.
All 10 in Santa Paula → All 20,403 in California → Every provider in Santa Paula →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Carl Constantine, M.D.'s NPI number?
Carl Constantine, M.D.'s National Provider Identifier (NPI) is 1669586293, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl Constantine, M.D. located?
The NPPES record lists a practice address at 825 N 10TH St, Santa Paula, CA, 93060. Phone: (805) 647-0880. Providers update this record themselves, so call before visiting.
How can I verify Carl Constantine, M.D.'s license?
NPPES lists California license number G68370, 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 Carl Constantine, M.D. prescribe under Medicare Part D?
In 2024, Carl Constantine, M.D. had 111 Medicare Part D claims for 20 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.