Dr. Ian Patrick Cahatol, DO

  • Ventura, CA
  • Internist
NPI1750876579PAC ID0941604607
Medicare services, 2024
859
Medicare patients, 2024
332
Part D claims, 2024
336
Publications
2
Hospital affiliations
2
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 5 affiliations

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Dr. Ian Patrick Cahatol is an internist in Ventura, California

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

Dr. Cahatol's NPI, 1750876579, was assigned on June 25, 2018. Dr. Cahatol graduated from WesternU College of Osteopathic Medicine of the Pacific in 2018. Dr. Cahatol holds California license 20A18008.

NPI and contact details
Medicare PAC ID
0941604607
NPI enumeration date
June 25, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 652-5011
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. Ian Patrick Cahatol practices at Community Memorial Hospital - Ventura in Ventura, California

Dr. Cahatol'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. Ian Patrick Cahatol is affiliated with 3 sites of care and 2 medical groups

Dr. Cahatol's primary practice is Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare. Dr. Cahatol is also affiliated with Community Memorial Hospital - Ojai. The medical group on file is Community Memorial Healthcare. Dmand AI also links Dr. Cahatol to 1 more skilled nursing facility and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Cahatol

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

Dmand AI tracks the EHR system at Dr. Ian Patrick Cahatol's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cahatol practices, 3 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
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ian Patrick Cahatol is one of 16,751 internists in California

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

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A18008 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute respiratory failure, anemia, cardiac arrhythmia, cellulitis, cerebrovascular disease, chronic hypertension and chronic kidney disease among the conditions Dr. Cahatol treats.

Internists near Dr. Cahatol

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. Ian Patrick Cahatol billed Medicare for 859 services in 2024

CMS data shows 859 Medicare services from Dr. Cahatol across 7 procedure codes in 2024, for 332 Medicare patients. Medicare paid $82,331 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024859
Medicare patients332
Paid by Medicare$82,331
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 9672024: 85911%

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

  • Dr. Cahatol
  • California median
Medicare services
859vs 3612.4 times
Medicare patients
332vs 1512.2 times
Part D claims
39vs 42191% below

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

Dr. Cahatol'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. Cahatol

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

Dr. Ian Patrick Cahatol treated 332 Medicare patients in 2024, average age 77

CMS counts 332 Medicare patients who saw Dr. Cahatol in 2024. The largest group is 85 and over, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.84, 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. Cahatol's median patient age at 76, with 56% women.

Medicare patients, 2024332
Average age77
Average risk score2.84
Also on Medicaid39%

Dr. Cahatol's Medicare patients by age, 2024

Dr. Cahatol's Medicare patients by sex, 2024

  • Women18355%
  • Men14945%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Mood disorders52%
  5. Chronic kidney disease51%
  6. Ischemic heart disease49%
  7. Heart failure48%
  8. Depression46%

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

Dr. Cahatol's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Ian Patrick Cahatol wrote 336 Medicare Part D claims in 2024

In 2024, Dr. Cahatol wrote 336 Medicare Part D claims for 80 patients. 90% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $1,437 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

Part D claims, 2024336
Drugs named by CMS3
Total drug cost$1,437
Part D patients80

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

  • Generic301 claims90%
  • Brand-name and other35 claims10%

Dr. Cahatol'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.

Drug classes CMS tracks in Dr. Cahatol's Part D claims, 2024

  • Opioids5%18 of 336 claims
  • Antibiotics14%47 of 336 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 142024: 39179%

Drugs named by CMS: 3 in 2024, 1 in 2023.

See all prescribing by Dr. Cahatol

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. Ian Patrick Cahatol takes part in Medicare

Dr. Cahatol 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. Ian Patrick Cahatol has 2 publications on record

Dmand AI links 2 papers to Dr. Cahatol, published from 2015 to 2019. Dr. Cahatol's most frequent co-authors are Levi W. Dodge, DO and Shalin Pandya, DO.

Papers2
Years published2015 to 2019

Dr. Cahatol's most frequent co-authors

Recent publications by Dr. Cahatol

See all 2 publications and co-authors

See who Dr. Cahatol researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cahatol works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ian Patrick Cahatol received $15 in industry payments in 2023

CMS Open Payments shows 1 general payment to Dr. Cahatol from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Endogastric Solutions, Inc paid the most, $15.

Companies that paid Dr. Cahatol the most, 2023 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Cahatol

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

Dr. Ian Patrick Cahatol graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Cahatol graduated from WesternU College of Osteopathic Medicine of the Pacific in 2018.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicine initial certificationAmerican Osteopathic Board of Internal Medicine
  4. Board certified in internal medicineAOA Board of Internal Medicine
  5. Board certified in 2020 - 2027CA State License

Source: Dmand AI Professional Profile Data

Dr. Ian Patrick Cahatol accepts plans from 6 insurance carriers

Dr. Cahatol is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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

Plan types Dr. Cahatol accepts, by number of carriers

  1. Medicare5
  2. PPO5
  3. HMO1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ian Patrick Cahatol'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Ian Patrick Cahatol

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. Ian Patrick Cahatol's NPI number?

Dr. Ian Patrick Cahatol's NPI number is 1750876579. It was assigned on June 25, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Ian Patrick Cahatol?

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

Where does Dr. Ian Patrick Cahatol practice?

Dr. Cahatol practices at 147 North Brent Street, Ventura, CA 93003. Dr. Cahatol's primary practice is Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare. Dmand AI also links Dr. Cahatol to 1 skilled nursing facility and 1 medical group.

What is Dr. Ian Patrick Cahatol's office phone number?

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

What is Dr. Ian Patrick Cahatol's medical license number?

Dr. Cahatol holds California license 20A18008.

Which hospitals is Dr. Ian Patrick Cahatol affiliated with?

Dr. Cahatol practices at Community Memorial Hospital - Ventura in Ventura, California. Dr. Cahatol is also affiliated with Community Memorial Hospital - Ojai.

What medical group is Dr. Ian Patrick Cahatol part of?

Dr. Cahatol is linked to Community Memorial Healthcare. Dmand AI links Dr. Cahatol to 1 more medical group.

Does Dr. Ian Patrick Cahatol accept Medicare?

Yes. CMS data shows Dr. Cahatol billed Medicare for 859 services in 2024, and Dr. Cahatol accepts Medicare assignment.

How many Medicare patients does Dr. Ian Patrick Cahatol see?

CMS counts 332 Medicare patients who saw Dr. Cahatol in 2024, with an average age of 77.

Is Dr. Ian Patrick Cahatol board certified?

Yes. Dr. Cahatol is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Ian Patrick Cahatol bill to Medicare?

In 2024, Dr. Cahatol's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

Where did Dr. Ian Patrick Cahatol go to medical school?

Dr. Cahatol graduated from WesternU College of Osteopathic Medicine of the Pacific in 2018.

What drugs does Dr. Ian Patrick Cahatol prescribe most?

In 2024 Medicare Part D data, Dr. Cahatol's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Pantoprazole Sodium.

Has Dr. Ian Patrick Cahatol received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Dr. Cahatol from 1 company from 2023 to 2023. The largest total came from Endogastric Solutions, Inc.

How long has Dr. Ian Patrick Cahatol been practicing?

Dr. Cahatol graduated from medical school in 2018, 8 years ago.

Does Dr. Ian Patrick Cahatol do research?

Dmand AI links 2 publications to Dr. Cahatol, published from 2015 to 2019.

Who does Dr. Ian Patrick Cahatol publish with?

Dr. Cahatol's most frequent co-authors are Levi W. Dodge, DO (1 shared paper) and Shalin Pandya, DO (1 shared paper).

What insurance does Dr. Ian Patrick Cahatol accept?

Dr. Cahatol is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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