Dr. Allison R. Larson, MD
- Medicare services, 2024
- 683
- Medicare patients, 2024
- 335
- Part D claims, 2024
- 378
- MIPS score, 2024
- 94
- Hospital affiliations
- 5
- Practice address
- 110 Irving Street NW, Washington, DC 20010
- Practice phone
- Call (202) 877-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Larson's professional email, personal email and mobile number
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Dr. Allison R. Larson is a dermatologist in Washington, District of Columbia
Dr. Larson practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Dr. Larson's NPI, 1265691398, was assigned on June 4, 2008. Dr. Larson graduated from Johns Hopkins University School of Medicine in 2008. Dr. Larson holds District of Columbia license MD200001351.
- NPI
- 1265691398NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103083399
- NPI enumeration date
- June 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 877-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Allison R. Larson practices at MedStar Washington Hospital Center in Washington, District of Columbia
Dr. Larson's primary practice is MedStar Washington Hospital Center, at 110 Irving Street NW, Washington, DC 20010 in The District County. The practice phone is (202) 877-7000.
- MedStar Washington Hospital Center110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
Source: Dmand AI Affiliation Data
Dr. Allison R. Larson is affiliated with 7 sites of care and 2 medical groups
Dr. Larson's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dr. Larson is also affiliated with MedStar Georgetown University Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Larson to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Allison R. Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Washington Hospital Center | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Allison R. Larson is one of 58 dermatologists in District of Columbia
Dermatology is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Larson's licenses on file in 3 states: District of Columbia, Maryland and Virginia.
Specialties and state licenses
- Dermatology, District of ColumbiaPrimary
- Maryland license
- Virginia license
Dermatologists near Dr. Larson
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. Allison R. Larson billed Medicare for 683 services in 2024
CMS data shows 683 Medicare services from Dr. Larson across 10 procedure codes in 2024, for 335 Medicare patients. Medicare paid $42,777 for them.
Dr. Larson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3612024: 3939%
- Surgery
- 2023: 3972024: 29027%
- Tests and treatments
- 2023: 582024: 0100%
Where Dr. Larson's Medicare services took place, 2024
- In an office60989%
- In a facility7411%
Dr. Larson compared with the District of Columbia median for dermatologists, 2024
- Dr. Larson
- District of Columbia median
- Medicare services
- 683vs 58816% above
- Medicare patients
- 335vs 24437% above
- Part D claims
- 222vs 12873% above
Medians across 51 dermatologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Larson'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. Larson and other dermatologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Allison R. Larson treated 335 Medicare patients in 2024, average age 72
CMS counts 335 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 153 patients. 72% of them have high cholesterol, and 65% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 56, with 64% women.
Dr. Larson's Medicare patients by age, 2024
Dr. Larson's Medicare patients by sex, 2024
- Women20962%
- Men12638%
Chronic conditions among Dr. Larson's Medicare patients, 2024
- High cholesterol72%
- High blood pressure65%
- Arthritis46%
- Diabetes28%
- Ischemic heart disease26%
- Chronic kidney disease22%
- Mood disorders22%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Allison R. Larson wrote 378 Medicare Part D claims in 2024
In 2024, Dr. Larson wrote 378 Medicare Part D claims for 125 patients. 89% of them were for generic drugs. CMS names the drug for 222 of them, across 10 drugs with 11 or more claims each, at $6,698 in total drug cost. In 2023, CMS named 190 claims across 11 drugs.
Dr. Larson's Part D claims by kind of drug, 2024
- Generic336 claims89%
- Brand-name42 claims11%
Dr. Larson'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1902024: 22217%
Drugs named by CMS: 10 in 2024, 11 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. Allison R. Larson scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Larson for performance year 2024, reported as part of a group. Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 235 procedures of removal of skin lesions by Dr. Larson, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Larson's MIPS scores, performance year 2024
- 94of 100Final score
- 80.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Larson ranks in Medicare procedure volume
- Removal of skin lesions
- 80th percentile235 procedures
- Skin biopsy
- 70th percentile56 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Allison R. Larson received $1,888 in industry payments from 2019 to 2024
CMS Open Payments shows 3 general payments to Dr. Larson from 2 drug and device companies from 2019 to 2024. Consulting fees make up the largest share, 97% of the total. Sanofi and Genzyme US Companies paid the most, $1,866.
General payments to Dr. Larson by program year, 2019 to 2024
General payments to Dr. Larson by kind, 2019 to 2024
- Consulting fees$1,82497%
- Travel and lodging$422%
- Food and beverage$221%
Companies that paid Dr. Larson the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Allison R. Larson graduated from Johns Hopkins University School of Medicine
Dr. Larson graduated from Johns Hopkins University School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Allison R. Larson'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Allison R. Larson
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. Allison R. Larson's NPI number?
Dr. Allison R. Larson's NPI number is 1265691398. It was assigned on June 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Allison R. Larson?
Dr. Allison R. Larson is a dermatologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Allison R. Larson practice?
Dr. Larson practices at 110 Irving Street NW, Washington, DC 20010. Dr. Larson's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Dr. Larson to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Allison R. Larson's office phone number?
The practice phone on file for Dr. Larson is (202) 877-7000.
What is Dr. Allison R. Larson's medical license number?
Dr. Larson holds District of Columbia license MD200001351, one of the licenses on file in 3 states.
Which states has Dr. Allison R. Larson been licensed in?
Dmand AI has state licenses on file for Dr. Larson in District of Columbia, Maryland and Virginia.
Which hospitals is Dr. Allison R. Larson affiliated with?
Dr. Larson practices at MedStar Washington Hospital Center in Washington, District of Columbia. Dr. Larson is also affiliated with MedStar Georgetown University Hospital. Dmand AI links Dr. Larson to 3 more hospitals.
What medical group is Dr. Allison R. Larson part of?
Dr. Larson is linked to MedStar Medical Group. Dmand AI links Dr. Larson to 1 more medical group.
Does Dr. Allison R. Larson accept Medicare?
Yes. CMS data shows Dr. Larson billed Medicare for 683 services in 2024, and Dr. Larson accepts Medicare assignment.
What is Dr. Allison R. Larson's MIPS score?
Dr. Larson's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Allison R. Larson see?
CMS counts 335 Medicare patients who saw Dr. Larson in 2024, with an average age of 72.
What services does Dr. Allison R. Larson bill to Medicare?
In 2024, Dr. Larson's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and office visit, established patient (99214).
Where did Dr. Allison R. Larson go to medical school?
Dr. Larson graduated from Johns Hopkins University School of Medicine in 2008.
What drugs does Dr. Allison R. Larson prescribe most?
In 2024 Medicare Part D data, Dr. Larson's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Ciclopirox.
Has Dr. Allison R. Larson received payments from drug or device companies?
CMS Open Payments shows $1,888 in general payments to Dr. Larson from 2 companies from 2019 to 2024. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Allison R. Larson been practicing?
Dr. Larson graduated from medical school in 2008, 18 years ago.
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