Dr. Charles Louis Pankratz, MD

  • Ventura, CA
  • Internist
NPI1689610511PAC ID8820001845
Medicare services, 2024
114
Medicare patients, 2024
109
Part D claims, 2024
510
Hospital affiliations
1
Industry payments
$366
Practice address
147 North Brent Street, Ventura, CA 93003
Practice phone
Call (805) 652-5011
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Community Memorial Hospital - Ventura

Hospital · Ventura, California

See all 7 affiliations

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Dr. Charles Louis Pankratz is an internist in Ventura, California

Dr. Pankratz practices at Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare.

Dr. Pankratz's NPI, 1689610511, was assigned on June 20, 2006. Dr. Pankratz graduated from UC Davis School of Medicine in 1996. Dr. Pankratz holds California license A064556.

NPI and contact details
Medicare PAC ID
8820001845
NPI enumeration date
June 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 652-5011
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Charles Louis Pankratz practices at Community Memorial Hospital - Ventura in Ventura, California

Dr. Pankratz's primary practice is Community Memorial Hospital - Ventura, at 147 North Brent Street, Ventura, CA 93003 in Ventura County. The practice phone is (805) 652-5011.

Source: Dmand AI Affiliation Data

Dr. Charles Louis Pankratz is affiliated with 6 sites of care and 1 medical group

Dr. Pankratz's primary practice is Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare. The medical group on file is Community Memorial Healthcare. Dmand AI also links Dr. Pankratz to 3 more hospices, 1 physician office and 1 group practice or clinic, each named with a free account. Dr. Pankratz's employer is on file too: a hospital.

See all 7 affiliations for Dr. Pankratz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Charles Louis Pankratz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pankratz practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Community Memorial Hospital - VenturaAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles Louis Pankratz is one of 16,751 internists in California

Internal medicine is Dr. Pankratz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pankratz is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dr. Pankratz is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A64556 · 1998 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic respiratory failure, fibromyalgia and chronic pain, insomnia, itchy rashes, lower back pain, obesity and rash among the conditions Dr. Pankratz treats.

Internists near Dr. Pankratz

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Charles Louis Pankratz billed Medicare for 114 services in 2024

CMS data shows 114 Medicare services from Dr. Pankratz across 2 procedure codes in 2024, for 109 Medicare patients. Medicare paid $15,114 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024114
Medicare patients109
Paid by Medicare$15,114
Procedure codes2

Dr. Pankratz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1732024: 11434%

Dr. Pankratz compared with the California median for internists, 2024

  • Dr. Pankratz
  • California median
Medicare services
114vs 36168% below
Medicare patients
109vs 15128% below
Part D claims
229vs 42146% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Pankratz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Pankratz

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Charles Louis Pankratz treated 109 Medicare patients in 2024, average age 80

CMS counts 109 Medicare patients who saw Dr. Pankratz in 2024. The largest group is 85 and over, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 3.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Pankratz's median patient age at 85, with 52% women.

Medicare patients, 2024109
Average age80
Average risk score3.18
Also on Medicaid33%

Dr. Pankratz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Pankratz's Medicare patients by sex, 2024

  • Women6055%
  • Men4945%

Chronic conditions among Dr. Pankratz's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease59%
  4. Atrial fibrillation51%
  5. Arthritis50%
  6. Heart failure50%
  7. Ischemic heart disease50%
  8. Mood disorders50%

Share of Medicare patients with each condition. A patient can have several.

Dr. Pankratz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 85

Patient panel by sex, all payers

  • Women52%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Charles Louis Pankratz wrote 510 Medicare Part D claims in 2024

In 2024, Dr. Pankratz wrote 510 Medicare Part D claims for 86 patients. 80% of them were for generic drugs. CMS names the drug for 229 of them, across 9 drugs with 11 or more claims each, at $17,560 in total drug cost. In 2023, CMS named 180 claims across 10 drugs.

Part D claims, 2024510
Drugs named by CMS9
Total drug cost$17,560
Part D patients86

Dr. Pankratz's Part D claims by kind of drug, 2024

  • Generic409 claims80%
  • Brand-name101 claims20%

Dr. Pankratz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1802024: 22927%

Drugs named by CMS: 9 in 2024, 10 in 2023.

See all prescribing by Dr. Pankratz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Charles Louis Pankratz takes part in Medicare

Dr. Pankratz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Charles Louis Pankratz received $366 in industry payments from 2016 to 2021

CMS Open Payments shows 10 general payments to Dr. Pankratz from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $120.

General payments to Dr. Pankratz by program year, 2016 to 2021

Companies that paid Dr. Pankratz the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Pankratz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Charles Louis Pankratz graduated from UC Davis School of Medicine

Dr. Pankratz graduated from UC Davis School of Medicine in 1996.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in hospice and palliative medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Charles Louis Pankratz accepts plans from 6 insurance carriers

Dr. Pankratz is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Pankratz accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles Louis Pankratz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Charles Louis Pankratz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Charles Louis Pankratz's NPI number?

Dr. Charles Louis Pankratz's NPI number is 1689610511. It was assigned on June 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Louis Pankratz?

Dr. Charles Louis Pankratz is an internist in Ventura, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Charles Louis Pankratz practice?

Dr. Pankratz practices at 147 North Brent Street, Ventura, CA 93003. Dr. Pankratz's primary practice is Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare. Dmand AI also links Dr. Pankratz to 3 hospices, 1 physician office and 1 group practice or clinic.

What is Dr. Charles Louis Pankratz's office phone number?

The practice phone on file for Dr. Pankratz is (805) 652-5011.

What is Dr. Charles Louis Pankratz's medical license number?

Dr. Pankratz holds California license A064556.

Which hospitals is Dr. Charles Louis Pankratz affiliated with?

Dr. Pankratz practices at Community Memorial Hospital - Ventura in Ventura, California.

What medical group is Dr. Charles Louis Pankratz part of?

Dr. Pankratz is linked to Community Memorial Healthcare.

Does Dr. Charles Louis Pankratz accept Medicare?

Yes. CMS data shows Dr. Pankratz billed Medicare for 114 services in 2024, and Dr. Pankratz accepts Medicare assignment.

How many Medicare patients does Dr. Charles Louis Pankratz see?

CMS counts 109 Medicare patients who saw Dr. Pankratz in 2024, with an average age of 80.

Is Dr. Charles Louis Pankratz board certified?

Yes. Dr. Pankratz is board certified in hospice and palliative medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Charles Louis Pankratz bill to Medicare?

In 2024, Dr. Pankratz's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).

Where did Dr. Charles Louis Pankratz go to medical school?

Dr. Pankratz graduated from UC Davis School of Medicine in 1996.

What drugs does Dr. Charles Louis Pankratz prescribe most?

In 2024 Medicare Part D data, Dr. Pankratz's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Tamsulosin HCl.

Has Dr. Charles Louis Pankratz received payments from drug or device companies?

CMS Open Payments shows $366 in general payments to Dr. Pankratz from 4 companies from 2016 to 2021. The largest total came from Novo Nordisk Inc.

How long has Dr. Charles Louis Pankratz been practicing?

Dr. Pankratz graduated from medical school in 1996, 30 years ago.

What insurance does Dr. Charles Louis Pankratz accept?

Dr. Pankratz is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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