Dana N. Jennings, M.D.
Internal Medicine Physician · Ventura, CA
Dana N. Jennings, M.D. is an internal medicine physician with a practice address in Ventura, California, and NPI 1376644989, issued on Sep 26, 2006. Check the license (California A105534, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dana N. Jennings
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A105534 CA
Self-reported in NPPES; status is on the state search - Practice location
- 227 N Dos Caminos Ave, Ventura, CA 93003
- Phone
- (805) 914-5808
- Enumerated
- Sep 26, 2006
- Record last updated
- Jul 25, 2025
- Fax
- (805) 702-4135
- Medicare enrollment
- Enrolled (PECOS I20090421000265); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 227 N Dos Caminos Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- April Terry, FNPFamily Nurse Practitioner1053839753
- Becky Wade, M.D.Internal Medicine Physician1992869986
Verify Dana N. Jennings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average internal medicine physician in 2024
5,852 Medicare Part D claims for 602 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 32 claims were for opioids.
Most prescribed
- Amlodipine Besylate491 claims
- Levothyroxine Sodium467 claims
- Atorvastatin Calcium439 claims
- Lisinopril238 claims
- Losartan Potassium213 claims
- Rosuvastatin Calcium205 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.
Bills Medicare through one group practice
- Internal Medicine OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dana N. Jennings among 17,696 internal medicine physician records in California
Dana N. Jennings, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 internal medicine physician records list a practice address in Ventura
They are 68 of the 4,435 NPPES records with a practice address in Ventura, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Ventura → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deborah Carlson, M.D.Ventura, CA 930031942231121
- James Estes, M.D.Ventura, CA 930031336176098
- Doina Galiatzatos, M.D.Ventura, CA 930031548206089
- Scott Goodfriend, M.D.Ventura, CA 930031982636965
- Arthur Inoshita, MDVentura, CA 930031932105277
- Albert Kam, M.D.Ventura, CA 930031114953593
- Karen Lockwood, MDVentura, CA 930031558330399
- James Mitchell, MDVentura, CA 930031598705485
Common questions
What is Dana N. Jennings, M.D.'s NPI number?
Dana N. Jennings, M.D.'s National Provider Identifier (NPI) is 1376644989, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dana N. Jennings, M.D. located?
The NPPES record lists a practice address at 227 N Dos Caminos Ave, Ventura, CA, 93003. Phone: (805) 914-5808. Providers update this record themselves, so call before visiting.
How can I verify Dana N. Jennings, M.D.'s license?
NPPES lists California license number A105534, 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 Dana N. Jennings, M.D. prescribe under Medicare Part D?
In 2024, Dana N. Jennings, M.D. had 5,852 Medicare Part D claims for 602 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.