Charles Louis Pankratz, M.D.
Internal Medicine Physician · Ventura, CA
Charles Louis Pankratz, M.D. is an internal medicine physician with a practice address in Ventura, California, and NPI 1689610511, issued on Jun 20, 2006. Check the license (California A064556, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Louis Pankratz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A064556 CA
A64556 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2705 Loma Vista RD Ste 202, Ventura, CA 93003
- Phone
- (805) 667-2273
- Enumerated
- Jun 20, 2006
- Record last updated
- Mar 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (805) 652-6379
- Medicare enrollment
- Enrolled (PECOS I20060717000099); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Charles Louis Pankratz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A064556Check 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% fewer Medicare Part D claims than the average internal medicine physician in 2024
510 Medicare Part D claims for 86 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Levothyroxine Sodium86 claims
- Atorvastatin Calcium32 claims
- Tamsulosin Hcl26 claims
- Donepezil Hcl20 claims
- Eliquis16 claims
- Myrbetriq15 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
- Community Memorial Health SystemVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Louis Pankratz among 17,696 internal medicine physician records in California
Charles Louis Pankratz, 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
- Graduated1996 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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 Charles Louis Pankratz, M.D.'s NPI number?
Charles Louis Pankratz, M.D.'s National Provider Identifier (NPI) is 1689610511, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Louis Pankratz, M.D. located?
The NPPES record lists a practice address at 2705 Loma Vista RD Ste 202, Ventura, CA, 93003. Phone: (805) 667-2273. Providers update this record themselves, so call before visiting.
How can I verify Charles Louis Pankratz, M.D.'s license?
NPPES lists California license number A064556, 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 Charles Louis Pankratz, M.D. prescribe under Medicare Part D?
In 2024, Charles Louis Pankratz, M.D. had 510 Medicare Part D claims for 86 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.