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Physician Profile

Carl A. Constantine, M.D.

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At a glance

About Dr. Constantine

Based in Santa Paula, CA, Carl A. Constantine, M.D. is listed in the NPI registry under internal medicine. Medicare claims data shows Carl provided 77 services to 43 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1669586293 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 1987

Specialty

Internal Medicine (Primary)

Credentials & Licensing

IA · Physician and Surgeon GMedical Board of California
No. 68370DelinquentExpired Jul 31, 2025Since 1990
NPINational Provider Identifier
1669586293Issued 2006

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Carl A. Constantine specialize in?

Carl A. Constantine is an internist in Santa Paula, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Carl A. Constantine located?

Carl A. Constantine is listed at 825 N 10Th St, Santa Paula, CA 93060. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Carl A. Constantine's phone number?

The number on file is (805) 647-0880. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Carl A. Constantine?

Carl A. Constantine's National Provider Identifier is 1669586293. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Carl A. Constantine train?

Carl A. Constantine attended Other, graduating in 1987. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Carl A. Constantine have?

Carl A. Constantine has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.

CMS public data

What does Carl A. Constantine do most often?

According to Medicare billing data, Carl A. Constantine the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Carl A. Constantine's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Carl A. Constantine. If this is you, claiming it is free.

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