Leslie S. Buchanan, PA
- Medicare services, 2024
- 98
- Medicare patients, 2024
- 65
- Part D claims, 2024
- 1,091
- MIPS score, 2024
- 96
- Industry payments
- $1,125
- Practice address
- 2925 N Sycamore Dr, Simi Valley, CA 93065
- Practice phone
- Call (805) 578-9620
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alta California Medical Group, Inc.
Simi Valley, California
Find Leslie Buchanan'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.
Leslie S. Buchanan is a physician assistant in Simi Valley, California
Leslie Buchanan practices at Alta California Medical Group, Inc. in Simi Valley, California.
Leslie Buchanan's NPI, 1841267622, was assigned on March 1, 2006. Leslie Buchanan graduated from University of Southern California Keck School of Medicine in 1988. Leslie Buchanan holds California license PA12305.
- NPI
- 1841267622NPI Registry (opens in a new tab)
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Practice phone
- (805) 578-9620
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Leslie S. Buchanan practices at Alta California Medical Group, Inc. in Simi Valley, California
Leslie Buchanan's primary practice is Alta California Medical Group, Inc., at 2925 N Sycamore Dr, Simi Valley, CA 93065 in Ventura County. The practice phone is (805) 578-9620.
- Alta California Medical Group, Inc.2925 N Sycamore Dr, Simi Valley, CA 93065 · Ventura CountyPhone(805) 578-9620
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Leslie S. Buchanan is affiliated with 2 sites of care and 1 medical group
Leslie Buchanan's primary practice is Alta California Medical Group, Inc. in Simi Valley, California. Dmand AI also links Leslie Buchanan to 1 group practice or clinic 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 Leslie S. Buchanan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leslie Buchanan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alta California Medical Group, Inc. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Leslie S. Buchanan is one of 11,482 physician assistants in California
Physician assistant is Leslie Buchanan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Leslie Buchanan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Leslie Buchanan is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists anxiety, bronchitis, enlarged prostate, insomnia, lower back pain, muscle pain, fibromyalgia, and limb pain and tinnitus among the conditions Leslie Buchanan treats.
Physician assistants near Leslie Buchanan
Counts of physician assistants 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
Leslie S. Buchanan billed Medicare for 98 services in 2024
CMS data shows 98 Medicare services from Leslie Buchanan across 4 procedure codes in 2024, for 65 Medicare patients. Medicare paid $5,351 for them. Every service was in an office.
Leslie Buchanan's Medicare services by type, 2024
- Office and hospital visits72
- Surgery14
- Other services12
Leslie Buchanan compared with the California median for physician assistants, 2024
- Leslie Buchanan
- California median
- Medicare services
- 98vs 20452% below
- Medicare patients
- 65vs 10538% below
- Part D claims
- 764vs 2433.1 times
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Leslie Buchanan'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 Leslie Buchanan and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Leslie S. Buchanan treated 65 Medicare patients in 2024, average age 74
CMS counts 65 Medicare patients who saw Leslie Buchanan in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Leslie Buchanan's median patient age at 67, with 68% women.
Leslie Buchanan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Leslie Buchanan's Medicare patients by sex, 2024
- Women4265%
- Men2335%
Chronic conditions among Leslie Buchanan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis38%
- Diabetes26%
- Ischemic heart disease23%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Leslie Buchanan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Leslie S. Buchanan wrote 1,091 Medicare Part D claims in 2024
In 2024, Leslie Buchanan wrote 1,091 Medicare Part D claims for 177 patients. 94% of them were for generic drugs. CMS names the drug for 764 of them, across 27 drugs with 11 or more claims each, at $6,883 in total drug cost.
Leslie Buchanan's Part D claims by kind of drug, 2024
- Generic1,028 claims94%
- Brand-name and other63 claims6%
Leslie Buchanan'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 Leslie Buchanan's Part D claims, 2024
- Antibiotics1%14 of 1,091 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Leslie S. Buchanan scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Leslie Buchanan for performance year 2024, reported through an alternative payment model (APM).
Leslie Buchanan's MIPS scores, performance year 2024
- 96of 100Final score
- 81.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Leslie S. Buchanan received $1,125 in industry payments in 2024
CMS Open Payments shows 8 general payments to Leslie Buchanan from 1 drug or device company in 2024. Travel and lodging make up the largest share, 91% of the total. Medline Industries, Inc. paid the most, $1,125.
General payments to Leslie Buchanan by kind, 2024 to 2024
- Travel and lodging$1,02391%
- Food and beverage$1029%
Companies that paid Leslie Buchanan the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Leslie S. Buchanan graduated from University of Southern California Keck School of Medicine
Leslie Buchanan graduated from University of Southern California Keck School of Medicine in 1988.
- Medical school
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Leslie S. Buchanan'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 | Clinician Public Reporting: Overall MIPS Performance (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 Leslie S. Buchanan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leslie S. Buchanan's NPI number?
Leslie S. Buchanan's NPI number is 1841267622. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What does Leslie S. Buchanan specialize in?
Leslie S. Buchanan is a physician assistant in Simi Valley, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Leslie S. Buchanan practice?
Leslie Buchanan practices at 2925 N Sycamore Dr, Simi Valley, CA 93065. Leslie Buchanan's primary practice is Alta California Medical Group, Inc. in Simi Valley, California. Dmand AI also links Leslie Buchanan to 1 group practice or clinic and 1 medical group.
What is Leslie S. Buchanan's office phone number?
The practice phone on file for Leslie Buchanan is (805) 578-9620.
What is Leslie S. Buchanan's medical license number?
Leslie Buchanan holds California license PA12305.
Does Leslie S. Buchanan accept Medicare?
Yes. CMS data shows Leslie Buchanan billed Medicare for 98 services in 2024.
What is Leslie S. Buchanan's MIPS score?
Leslie Buchanan's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Leslie S. Buchanan see?
CMS counts 65 Medicare patients who saw Leslie Buchanan in 2024, with an average age of 74.
Is Leslie S. Buchanan board certified?
Yes. Leslie Buchanan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Leslie S. Buchanan bill to Medicare?
In 2024, Leslie Buchanan's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
Show 4 more questionsShow fewer questions
Where did Leslie S. Buchanan go to medical school?
Leslie Buchanan graduated from University of Southern California Keck School of Medicine in 1988.
What drugs does Leslie S. Buchanan prescribe most?
In 2024 Medicare Part D data, Leslie Buchanan's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Leslie S. Buchanan received payments from drug or device companies?
CMS Open Payments shows $1,125 in general payments to Leslie Buchanan from 1 company from 2024 to 2024. The largest total came from Medline Industries, Inc.
How long has Leslie S. Buchanan been practicing?
Leslie Buchanan graduated from medical school in 1988, 38 years ago.
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