Dr. Philip C. Kaczar, MD
- Medicare services, 2024
- 2,070
- Medicare patients, 2024
- 325
- Part D claims, 2024
- 13,526
- Hospital affiliations
- 2
- Industry payments
- $3,889
- Practice address
- 6365 E Tanque Verde Rd, Tucson, AZ 85715
- Practice phone
- Call (602) 249-0115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greater Phoenix Collaborative Care
Tucson, Arizona
Find Dr. Kaczar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Philip C. Kaczar is an internist in Tucson, Arizona
Dr. Kaczar practices at Greater Phoenix Collaborative Care in Tucson, Arizona.
Dr. Kaczar's NPI, 1235189077, was assigned on May 11, 2006. Dr. Kaczar graduated from Loyola University of Chicago, Stritch School of Medicine in 1995. Dr. Kaczar holds Arizona license 26301.
- NPI
- 1235189077NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153462601
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (602) 249-0115
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Philip C. Kaczar practices at Greater Phoenix Collaborative Care in Tucson, Arizona
Dr. Kaczar's primary practice is Greater Phoenix Collaborative Care, at 6365 E Tanque Verde Rd, Tucson, AZ 85715 in Pima County. The practice phone is (602) 249-0115.
- Greater Phoenix Collaborative Care6365 E Tanque Verde Rd, Tucson, AZ 85715 · Pima CountyPhone(602) 249-0115
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Philip C. Kaczar is affiliated with 5 sites of care and 1 medical group
Dr. Kaczar's primary practice is Greater Phoenix Collaborative Care in Tucson, Arizona. Dr. Kaczar is also affiliated with Banner - University Medical Center Phoenix. The medical group on file is Optum Primary Care - Black Canyon. Dmand AI also links Dr. Kaczar to 1 more hospital, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Philip C. Kaczar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaczar practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Phoenix Collaborative Care | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Philip C. Kaczar is one of 2,420 internists in Arizona
Internal medicine is Dr. Kaczar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kaczar is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Kaczar
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. Philip C. Kaczar billed Medicare for 2,070 services in 2024
CMS data shows 2,070 Medicare services from Dr. Kaczar across 11 procedure codes in 2024, for 325 Medicare patients. Medicare paid $102,764 for them. Every service was in an office.
Dr. Kaczar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,4262024: 1,14020%
- Office and hospital visits
- 2023: 6592024: 57613%
- Other services
- 2023: 3162024: 25619%
- Tests and treatments
- 2023: 1202024: 7141%
- Surgery
- 2023: 182024: 1517%
- Imaging
- 2023: 02024: 12
Dr. Kaczar compared with the Arizona median for internists, 2024
- Dr. Kaczar
- Arizona median
- Medicare services
- 2,070vs 4764.3 times
- Medicare patients
- 325vs 20559% above
- Part D claims
- 12,690vs 26048.8 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Kaczar'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.
Need commercial claims for Dr. Kaczar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kaczar and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Philip C. Kaczar treated 325 Medicare patients in 2024, average age 78
CMS counts 325 Medicare patients who saw Dr. Kaczar in 2024. The largest group is 75 to 84, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kaczar's median patient age at 74, with 52% women.
Dr. Kaczar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kaczar's Medicare patients by sex, 2024
- Women17654%
- Men14946%
Chronic conditions among Dr. Kaczar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes27%
- Ischemic heart disease26%
- Chronic kidney disease23%
- Atrial fibrillation21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaczar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Philip C. Kaczar wrote 13,526 Medicare Part D claims in 2024
In 2024, Dr. Kaczar wrote 13,526 Medicare Part D claims for 960 patients. 87% of them were for generic drugs. CMS names the drug for 12,690 of them, across 201 drugs with 11 or more claims each, at $974,330 in total drug cost. In 2023, CMS named 11,532 claims across 195 drugs.
Dr. Kaczar's Part D claims by kind of drug, 2024
- Generic11,714 claims87%
- Brand-name1,700 claims13%
- Other112 claims1%
Dr. Kaczar'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. Kaczar's Part D claims, 2024
- Opioids5%647 of 13,526 claims
- Antibiotics3%400 of 13,526 claims
- Antipsychotics, patients 65 and over1%89 of 13,526 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: 11,5322024: 12,69010%
Drugs named by CMS: 201 in 2024, 195 in 2023.
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
Dr. Philip C. Kaczar offers telehealth to Medicare patients
Dr. Kaczar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kaczar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Philip C. Kaczar received $3,889 in industry payments from 2016 to 2025
CMS Open Payments shows 277 general payments to Dr. Kaczar from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Novo Nordisk Inc paid the most, $745.
General payments to Dr. Kaczar by program year, 2016 to 2025
General payments to Dr. Kaczar by kind, 2016 to 2025
- Food and beverage$3,54191%
- Education$2326%
- Gifts$1163%
Companies that paid Dr. Kaczar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Philip C. Kaczar graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Kaczar graduated from Loyola University of Chicago, Stritch School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Philip C. Kaczar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Philip C. Kaczar
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. Philip C. Kaczar's NPI number?
Dr. Philip C. Kaczar's NPI number is 1235189077. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Philip C. Kaczar?
Dr. Philip C. Kaczar is an internist in Tucson, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Philip C. Kaczar practice?
Dr. Kaczar practices at 6365 E Tanque Verde Rd, Tucson, AZ 85715. Dr. Kaczar's primary practice is Greater Phoenix Collaborative Care in Tucson, Arizona. Dmand AI also links Dr. Kaczar to 1 hospital, 1 physician office and 1 group practice or clinic.
What is Dr. Philip C. Kaczar's office phone number?
The practice phone on file for Dr. Kaczar is (602) 249-0115.
What is Dr. Philip C. Kaczar's medical license number?
Dr. Kaczar holds Arizona license 26301.
Which hospitals is Dr. Philip C. Kaczar affiliated with?
Dr. Kaczar is affiliated with Banner - University Medical Center Phoenix. Dmand AI links Dr. Kaczar to 1 more hospital.
What medical group is Dr. Philip C. Kaczar part of?
Dr. Kaczar is linked to Optum Primary Care - Black Canyon.
Does Dr. Philip C. Kaczar accept Medicare?
Yes. CMS data shows Dr. Kaczar billed Medicare for 2,070 services in 2024, and Dr. Kaczar accepts Medicare assignment.
Does Dr. Philip C. Kaczar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kaczar as offering telehealth services.
How many Medicare patients does Dr. Philip C. Kaczar see?
CMS counts 325 Medicare patients who saw Dr. Kaczar in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Philip C. Kaczar bill to Medicare?
In 2024, Dr. Kaczar's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. Philip C. Kaczar go to medical school?
Dr. Kaczar graduated from Loyola University of Chicago, Stritch School of Medicine in 1995.
What drugs does Dr. Philip C. Kaczar prescribe most?
In 2024 Medicare Part D data, Dr. Kaczar's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Philip C. Kaczar received payments from drug or device companies?
CMS Open Payments shows $3,889 in general payments to Dr. Kaczar from 32 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Philip C. Kaczar been practicing?
Dr. Kaczar graduated from medical school in 1995, 31 years ago.
Selling to internal medicine practices?
See internists in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card