Dr. Kathleen B. MacLeod, MD
- Medicare services, 2024
- 129
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 17
- Hospital affiliations
- 1
- Industry payments
- $254
- Practice address
- 3751 Katella Avenue, Los Alamitos, CA 90720
- Practice phone
- Call (562) 799-3220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. MacLeod'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. Kathleen B. MacLeod is an infectious disease specialist in Los Alamitos, California
Dr. MacLeod practices at UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine.
Dr. MacLeod's NPI, 1821066077, was assigned on March 12, 2006. Dr. MacLeod graduated from David Geffen School of Medicine at UCLA in 1984. Dr. MacLeod holds California license G055788.
- NPI
- 1821066077NPI Registry (opens in a new tab)
- NPI enumeration date
- March 12, 2006
- NPI status
- Active
- Practice phone
- (562) 799-3220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Kathleen B. MacLeod practices at UCI Health - Los Alamitos in Los Alamitos, California
Dr. MacLeod's primary practice is UCI Health - Los Alamitos, at 3751 Katella Avenue, Los Alamitos, CA 90720 in Orange County. The practice phone is (562) 799-3220.
- UCI Health - Los Alamitos3751 Katella Avenue, Los Alamitos, CA 90720 · Orange CountyPhone(562) 799-3220
Source: Dmand AI Affiliation Data
Dr. Kathleen B. MacLeod is affiliated with 2 sites of care
Dr. MacLeod's primary practice is UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine. Dmand AI also links Dr. MacLeod to 1 hospital outpatient department, named with a free account. Dr. MacLeod's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathleen B. MacLeod's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacLeod practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Los Alamitos | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathleen B. MacLeod is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. MacLeod's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. MacLeod is board certified in internal medicine by the American Board of Internal Medicine. Dr. MacLeod is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists immune deficiency disease among the conditions Dr. MacLeod treats.
Infectious disease specialists near Dr. MacLeod
Counts of infectious disease specialists 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. Kathleen B. MacLeod billed Medicare for 129 services in 2024
CMS data shows 129 Medicare services from Dr. MacLeod across 2 procedure codes in 2024, for 21 Medicare patients. Medicare paid $13,550 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. MacLeod's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4222024: 12969%
Dr. MacLeod compared with the California median for infectious disease specialists, 2024
- Dr. MacLeod
- California median
- Medicare services
- 129vs 42970% below
- Medicare patients
- 21vs 18088% below
- Part D claims
- 16vs 11987% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. MacLeod'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. MacLeod and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen B. MacLeod treated 21 Medicare patients in 2024, average age 79
CMS counts 21 Medicare patients who saw Dr. MacLeod in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 4.00, 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. MacLeod's median patient age at 68, with 50% women.
Chronic conditions among Dr. MacLeod's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes71%
- Ischemic heart disease71%
- Arthritis67%
- Atrial fibrillation57%
- Alzheimer's and dementia52%
- COPD52%
Share of Medicare patients with each condition. A patient can have several.
Dr. MacLeod's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen B. MacLeod wrote 17 Medicare Part D claims in 2024
In 2024, Dr. MacLeod wrote 17 Medicare Part D claims. 94% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $764 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Dr. MacLeod's Part D claims by kind of drug, 2024
- Generic16 claims94%
- Brand-name and other1 claims6%
Dr. MacLeod's most prescribed drugs by claims, 2021
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, 2017 to 2021
- 2017
- 2021
- Claims for drugs CMS names
- 2017: 112021: 1645%
Drugs named by CMS: 1 in 2021, 1 in 2017.
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
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Dr. Kathleen B. MacLeod received $254 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. MacLeod from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Shionogi Inc paid the most, $95.
General payments to Dr. MacLeod by program year, 2016 to 2023
Companies that paid Dr. MacLeod the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen B. MacLeod graduated from David Geffen School of Medicine at UCLA
Dr. MacLeod graduated from David Geffen School of Medicine at UCLA in 1984.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Kathleen B. MacLeod accepts plans from 4 insurance carriers
Dr. MacLeod is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. MacLeod accepts, by number of carriers
- Medicare3
- PPO3
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kathleen B. MacLeod'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Kathleen B. MacLeod
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. Kathleen B. MacLeod's NPI number?
Dr. Kathleen B. MacLeod's NPI number is 1821066077. It was assigned on March 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen B. MacLeod?
Dr. Kathleen B. MacLeod is an infectious disease specialist in Los Alamitos, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Kathleen B. MacLeod practice?
Dr. MacLeod practices at 3751 Katella Avenue, Los Alamitos, CA 90720. Dr. MacLeod's primary practice is UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine. Dmand AI also links Dr. MacLeod to 1 hospital outpatient department.
What is Dr. Kathleen B. MacLeod's office phone number?
The practice phone on file for Dr. MacLeod is (562) 799-3220.
What is Dr. Kathleen B. MacLeod's medical license number?
Dr. MacLeod holds California license G055788.
Which hospitals is Dr. Kathleen B. MacLeod affiliated with?
Dr. MacLeod practices at UCI Health - Los Alamitos in Los Alamitos, California.
Does Dr. Kathleen B. MacLeod accept Medicare?
Yes. CMS data shows Dr. MacLeod billed Medicare for 129 services in 2024.
How many Medicare patients does Dr. Kathleen B. MacLeod see?
CMS counts 21 Medicare patients who saw Dr. MacLeod in 2024, with an average age of 79.
Is Dr. Kathleen B. MacLeod board certified?
Yes. Dr. MacLeod is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Kathleen B. MacLeod bill to Medicare?
In 2024, Dr. MacLeod's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Show 5 more questionsShow fewer questions
Where did Dr. Kathleen B. MacLeod go to medical school?
Dr. MacLeod graduated from David Geffen School of Medicine at UCLA in 1984.
What drugs does Dr. Kathleen B. MacLeod prescribe most?
In 2021 Medicare Part D data, Dr. MacLeod's most prescribed drugs by claims were Cefazolin Sodium.
Has Dr. Kathleen B. MacLeod received payments from drug or device companies?
CMS Open Payments shows $254 in general payments to Dr. MacLeod from 3 companies from 2016 to 2023. The largest total came from Shionogi Inc.
How long has Dr. Kathleen B. MacLeod been practicing?
Dr. MacLeod graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Kathleen B. MacLeod accept?
Dr. MacLeod is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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