Dr. Marie Donaldson Lafeir, MD
- Medicare services, 2024
- 853
- Medicare patients, 2024
- 263
- Part D claims, 2024
- 824
- Hospital affiliations
- 1
- Industry payments
- $1,314
- Practice address
- 2051 Marengo St, Los Angeles, CA 90033
- Practice phone
- Call (323) 409-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Angeles General Medical Center
Los Angeles, California
Find Dr. Lafeir's professional email, personal email and mobile number
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Dr. Marie Donaldson Lafeir is a dermatologist in Los Angeles, California
Dr. Lafeir practices at Los Angeles General Medical Center in Los Angeles, California.
Dr. Lafeir's NPI, 1063886844, was assigned on November 17, 2015. Dr. Lafeir graduated from Northwestern University Feinberg Medical School in 2019. Dr. Lafeir holds Illinois license 036164562.
- NPI
- 1063886844NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739506650
- NPI enumeration date
- November 17, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 409-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marie Donaldson Lafeir practices at Los Angeles General Medical Center in Los Angeles, California
Dr. Lafeir'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 Center2051 Marengo St, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 409-2800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marie Donaldson Lafeir is affiliated with 4 sites of care and 2 medical groups
Dr. Lafeir's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dr. Lafeir is also affiliated with Rush University Medical Center. The medical group on file is Rush University Internists. Dmand AI also links Dr. Lafeir to 1 more group practice or clinic, 1 ambulatory surgery center and 1 medical group, 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. Marie Donaldson Lafeir's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lafeir practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles General Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marie Donaldson Lafeir is one of 1,910 dermatologists in California
Dermatology is Dr. Lafeir's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Lafeir is licensed in Illinois.
Specialties and state licenses
- Dermatology, IllinoisPrimary
Dermatologists near Dr. Lafeir
Counts of dermatologists 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. Marie Donaldson Lafeir billed Medicare for 853 services in 2024
CMS data shows 853 Medicare services from Dr. Lafeir across 13 procedure codes in 2024, for 263 Medicare patients. Medicare paid $34,089 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lafeir's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1362024: 436221%
- Office and hospital visits
- 2023: 1452024: 375159%
- Other services
- 2023: 02024: 42
Dr. Lafeir compared with the California median for dermatologists, 2024
- Dr. Lafeir
- California median
- Medicare services
- 853vs 1,75051% below
- Medicare patients
- 263vs 37730% below
- Part D claims
- 623vs 36770% above
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Lafeir'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. Lafeir and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marie Donaldson Lafeir treated 263 Medicare patients in 2024, average age 71
CMS counts 263 Medicare patients who saw Dr. Lafeir in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 38% are also on Medicaid. Their average risk score is 1.86, 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. Lafeir's median patient age at 52, with 62% women.
Dr. Lafeir's Medicare patients by age, 2024
Dr. Lafeir's Medicare patients by sex, 2024
- Women15760%
- Men10640%
Chronic conditions among Dr. Lafeir's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis56%
- Diabetes40%
- Ischemic heart disease32%
- Chronic kidney disease31%
- Mood disorders29%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lafeir's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marie Donaldson Lafeir wrote 824 Medicare Part D claims in 2024
In 2024, Dr. Lafeir wrote 824 Medicare Part D claims for 224 patients. 89% of them were for generic drugs. CMS names the drug for 623 of them, across 15 drugs with 11 or more claims each, at $261,758 in total drug cost. In 2023, CMS named 164 claims across 6 drugs.
Dr. Lafeir's Part D claims by kind of drug, 2024
- Generic737 claims89%
- Brand-name87 claims11%
Dr. Lafeir'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. Lafeir's Part D claims, 2024
- Antibiotics5%44 of 824 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: 1642024: 623280%
Drugs named by CMS: 15 in 2024, 6 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. Marie Donaldson Lafeir ranks in the 81st percentile for removal of skin lesions in Medicare
Dr. Lafeir accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 246 procedures of removal of skin lesions by Dr. Lafeir, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lafeir ranks in Medicare procedure volume
- Removal of skin lesions
- 81st percentile246 procedures
- Skin biopsy
- 76th percentile104 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 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. Marie Donaldson Lafeir received $1,314 in industry payments from 2021 to 2024
CMS Open Payments shows 13 general payments to Dr. Lafeir from 6 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $451.
General payments to Dr. Lafeir by program year, 2021 to 2024
Companies that paid Dr. Lafeir the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marie Donaldson Lafeir graduated from Northwestern University Feinberg Medical School
Dr. Lafeir graduated from Northwestern University Feinberg Medical School in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marie Donaldson Lafeir'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)Doctors and Clinicians Utilization Data (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. Marie Donaldson Lafeir
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. Marie Donaldson Lafeir's NPI number?
Dr. Marie Donaldson Lafeir's NPI number is 1063886844. It was assigned on November 17, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Marie Donaldson Lafeir?
Dr. Marie Donaldson Lafeir is a dermatologist in Los Angeles, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Marie Donaldson Lafeir practice?
Dr. Lafeir practices at 2051 Marengo St, Los Angeles, CA 90033. Dr. Lafeir's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dmand AI also links Dr. Lafeir to 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Marie Donaldson Lafeir's office phone number?
The practice phone on file for Dr. Lafeir is (323) 409-2800.
What is Dr. Marie Donaldson Lafeir's medical license number?
Dr. Lafeir holds Illinois license 036164562.
Which hospitals is Dr. Marie Donaldson Lafeir affiliated with?
Dr. Lafeir is affiliated with Rush University Medical Center.
What medical group is Dr. Marie Donaldson Lafeir part of?
Dr. Lafeir is linked to Rush University Internists. Dmand AI links Dr. Lafeir to 1 more medical group.
Does Dr. Marie Donaldson Lafeir accept Medicare?
Yes. CMS data shows Dr. Lafeir billed Medicare for 853 services in 2024, and Dr. Lafeir accepts Medicare assignment.
How many Medicare patients does Dr. Marie Donaldson Lafeir see?
CMS counts 263 Medicare patients who saw Dr. Lafeir in 2024, with an average age of 71.
What services does Dr. Marie Donaldson Lafeir bill to Medicare?
In 2024, Dr. Lafeir's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Marie Donaldson Lafeir go to medical school?
Dr. Lafeir graduated from Northwestern University Feinberg Medical School in 2019.
What drugs does Dr. Marie Donaldson Lafeir prescribe most?
In 2024 Medicare Part D data, Dr. Lafeir's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Clobetasol Propionate.
Has Dr. Marie Donaldson Lafeir received payments from drug or device companies?
CMS Open Payments shows $1,314 in general payments to Dr. Lafeir from 6 companies from 2021 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Marie Donaldson Lafeir been practicing?
Dr. Lafeir graduated from medical school in 2019, 7 years ago.
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