Dr. Matthew Phillip MacFarlane, MD

  • Los Angeles, CA
  • Internist
NPI1285123067PAC ID6901298397
Medicare services, 2024
705
Medicare patients, 2024
219
Part D claims, 2024
1,058
Publications
4
Hospital affiliations
1
Practice address
2051 Marengo St, Los Angeles, CA 90033
Practice phone
Call (323) 409-2800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Los Angeles General Medical Center

Los Angeles, California

See all 4 affiliations

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Dr. Matthew Phillip MacFarlane is an internist in Los Angeles, California

Dr. MacFarlane practices at Los Angeles General Medical Center in Los Angeles, California.

Dr. MacFarlane's NPI, 1285123067, was assigned on May 7, 2018. Dr. MacFarlane graduated from Lewis Katz School of Medicine in 2018. Dr. MacFarlane's California license number on file is A165959.

NPI and contact details
Medicare PAC ID
6901298397
NPI enumeration date
May 7, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(323) 409-2800
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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Matthew Phillip MacFarlane practices at Los Angeles General Medical Center in Los Angeles, California

Dr. MacFarlane's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 409-2800.

  • Los Angeles General Medical Center
    2051 Marengo St, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 409-2800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Matthew Phillip MacFarlane is affiliated with 2 sites of care and 2 medical groups

Dr. MacFarlane's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dr. MacFarlane is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. MacFarlane to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. MacFarlane

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Matthew Phillip MacFarlane's practice

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

EHR by site
SiteEHR vendor and product
Los Angeles General Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Matthew Phillip MacFarlane is one of 16,751 internists in California

Internal medicine is Dr. MacFarlane's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. MacFarlane is board certified in internal medicine by the American Board of Internal Medicine. Dr. MacFarlane has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A165959 · 2019 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute kidney failure, cardiomyopathy, carpal tunnel syndrome, cerebrovascular disease, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. MacFarlane treats.

Internists near Dr. MacFarlane

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. Matthew Phillip MacFarlane billed Medicare for 705 services in 2024

CMS data shows 705 Medicare services from Dr. MacFarlane across 12 procedure codes in 2024, for 219 Medicare patients. Medicare paid $51,751 for them. Every service was in an office.

Medicare services, 2024705
Medicare patients219
Paid by Medicare$51,751
Procedure codes12

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

  • 2023
  • 2024
Other services
2023: 722024: 320344%
Office and hospital visits
2023: 1812024: 29060%
Tests and treatments
2023: 02024: 95

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

  • Dr. MacFarlane
  • California median
Medicare services
705vs 36195% above
Medicare patients
219vs 15145% above
Part D claims
609vs 42145% above

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

Dr. MacFarlane'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. MacFarlane

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. MacFarlane and other internists in California.

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

Dr. Matthew Phillip MacFarlane treated 219 Medicare patients in 2024, average age 73

CMS counts 219 Medicare patients who saw Dr. MacFarlane in 2024. The largest group is 65 to 74, with 109 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.55, 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. MacFarlane's median patient age at 54, with 44% women.

Medicare patients, 2024219
Average age73
Average risk score1.55
Also on Medicaid23%

Dr. MacFarlane's Medicare patients by age, 2024

Dr. MacFarlane's Medicare patients by sex, 2024

  • Women10648%
  • Men11352%

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

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis56%
  4. Mood disorders33%
  5. Depression29%
  6. Anxiety28%
  7. Ischemic heart disease28%
  8. Chronic kidney disease26%

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

Dr. MacFarlane's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Dr. Matthew Phillip MacFarlane wrote 1,058 Medicare Part D claims in 2024

In 2024, Dr. MacFarlane wrote 1,058 Medicare Part D claims for 210 patients. 77% of them were for generic drugs. CMS names the drug for 609 of them, across 26 drugs with 11 or more claims each, at $343,358 in total drug cost. In 2023, CMS named 336 claims across 16 drugs.

Part D claims, 20241,058
Drugs named by CMS26
Total drug cost$343,358
Part D patients210

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

  • Generic814 claims77%
  • Brand-name and other244 claims23%

Dr. MacFarlane'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. MacFarlane's Part D claims, 2024

  • Opioids2%24 of 1,058 claims
  • Antibiotics1%14 of 1,058 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: 3362024: 60981%

Drugs named by CMS: 26 in 2024, 16 in 2023.

See all prescribing by Dr. MacFarlane

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. Matthew Phillip MacFarlane offers telehealth to Medicare patients

Dr. MacFarlane accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. MacFarlane as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Matthew Phillip MacFarlane has 4 publications on record

Dmand AI links 4 papers to Dr. MacFarlane in 2014. The most frequent topics are Case Management and Malaria. Dr. MacFarlane's most frequent co-authors are Demetri A. Blanas, MD and Andrew Stuart Kanter, MD, MPH.

Papers4

Topics Dr. MacFarlane writes about most

  • Case Management
  • Malaria

Dr. MacFarlane's most frequent co-authors

Recent publications by Dr. MacFarlane

See all 4 publications and co-authors

See who Dr. MacFarlane researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. MacFarlane 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. Matthew Phillip MacFarlane received $452 in industry payments from 2019 to 2025

CMS Open Payments shows 9 general payments to Dr. MacFarlane from 7 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $162.

General payments to Dr. MacFarlane by program year, 2019 to 2025

Companies that paid Dr. MacFarlane the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. MacFarlane

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

Dr. Matthew Phillip MacFarlane graduated from Lewis Katz School of Medicine

Dr. MacFarlane graduated from Lewis Katz School of Medicine in 2018.

  1. Medical schoolLewis Katz School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Matthew Phillip MacFarlane accepts plans from 13 insurance carriers

Dr. MacFarlane is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. MacFarlane accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Matthew Phillip MacFarlane'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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. Matthew Phillip MacFarlane

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. Matthew Phillip MacFarlane's NPI number?

Dr. Matthew Phillip MacFarlane's NPI number is 1285123067. It was assigned on May 7, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew Phillip MacFarlane?

Dr. Matthew Phillip MacFarlane is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Matthew Phillip MacFarlane practice?

Dr. MacFarlane practices at 2051 Marengo St, Los Angeles, CA 90033. Dr. MacFarlane's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dmand AI also links Dr. MacFarlane to 1 medical group.

What is Dr. Matthew Phillip MacFarlane's office phone number?

The practice phone on file for Dr. MacFarlane is (323) 409-2800.

What is Dr. Matthew Phillip MacFarlane's medical license number?

Dr. MacFarlane's California license number on file is A165959.

Which hospitals is Dr. Matthew Phillip MacFarlane affiliated with?

Dr. MacFarlane is affiliated with Hillcrest Medical Center.

What medical group is Dr. Matthew Phillip MacFarlane part of?

Dr. MacFarlane is linked to UC San Diego Health. Dmand AI links Dr. MacFarlane to 1 more medical group.

Does Dr. Matthew Phillip MacFarlane accept Medicare?

Yes. CMS data shows Dr. MacFarlane billed Medicare for 705 services in 2024, and Dr. MacFarlane accepts Medicare assignment.

Does Dr. Matthew Phillip MacFarlane offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. MacFarlane as offering telehealth services.

How many Medicare patients does Dr. Matthew Phillip MacFarlane see?

CMS counts 219 Medicare patients who saw Dr. MacFarlane in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Matthew Phillip MacFarlane board certified?

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

What services does Dr. Matthew Phillip MacFarlane bill to Medicare?

In 2024, Dr. MacFarlane's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Matthew Phillip MacFarlane go to medical school?

Dr. MacFarlane graduated from Lewis Katz School of Medicine in 2018.

What drugs does Dr. Matthew Phillip MacFarlane prescribe most?

In 2024 Medicare Part D data, Dr. MacFarlane's most prescribed drugs by claims were Atorvastatin Calcium, Biktarvy and Amlodipine Besylate.

Has Dr. Matthew Phillip MacFarlane received payments from drug or device companies?

CMS Open Payments shows $452 in general payments to Dr. MacFarlane from 7 companies from 2019 to 2025. The largest total came from ViiV Healthcare Company.

How long has Dr. Matthew Phillip MacFarlane been practicing?

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

Does Dr. Matthew Phillip MacFarlane do research?

Dmand AI links 4 publications to Dr. MacFarlane.

Who does Dr. Matthew Phillip MacFarlane publish with?

Dr. MacFarlane's most frequent co-authors are Demetri A. Blanas, MD (1 shared paper) and Andrew Stuart Kanter, MD, MPH (1 shared paper).

What insurance does Dr. Matthew Phillip MacFarlane accept?

Dr. MacFarlane is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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