CARL A CONSTANTINE (M.D.) – Internal Medicine Physician, NPI 1669586293
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for CARL A CONSTANTINE (M.D.)
ELTA post box, Κάστρου, κ. Παράλιου Άστρους, Astros Beach, Municipality of North Kynouria, Arcadia Regional Unit, Peloponnese Region, Peloponnese, Western Greece and the Ionian, 22019, Greece
ARCADIA, CA 910660640
Phone: (626) 447-0297
Fax: (626) 447-6057
Type: Mailing
Santa Paula Memorial Hospital, 825, North 10th Street, Santa Paula, Ventura County, California, 93061, United States
SANTA PAULA, CA 930601309
Phone: (805) 647-0880
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-09-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20240305001110 | I | Internal Medicine | VI | TBD |
| I20240903002540 | I | Internal Medicine | IA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 91066)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IA | |
| - | IA | |
| Family Practice, Sports Medicine | IA | |
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| Family Practice | IA | |
| Nurse Practitioner | IA | |
| Family Practice, Obstetrics/Gynecology | IA | |
| Nurse Practitioner | IA | |
| Internal Medicine, Hospitalist | IN | |
| Family Practice | IA |
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