Leslie MacKenzie Parnell, NP

  • San Francisco, CA
  • Nurse practitioner
NPI1043732530PAC ID9335483452
Medicare services, 2024
470
Medicare patients, 2024
295
Part D claims, 2024
1,065
MIPS score, 2024
87
Hospital affiliations
2
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 13 affiliations

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Leslie MacKenzie Parnell is a nurse practitioner in San Francisco, California

Leslie Parnell practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Leslie Parnell's NPI, 1043732530, was assigned on July 17, 2017. Leslie Parnell holds California license NP95010146.

NPI and contact details
Medicare PAC ID
9335483452
NPI enumeration date
July 17, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Leslie MacKenzie Parnell practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Leslie Parnell's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Leslie MacKenzie Parnell is affiliated with 7 sites of care and 6 medical groups

Leslie Parnell's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Leslie Parnell is also affiliated with MarinHealth Medical Center. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Leslie Parnell to 5 more group practices and clinics and 5 medical groups, each named with a free account.

See all 13 affiliations for Leslie Parnell

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Leslie MacKenzie Parnell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Leslie Parnell practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+6 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Leslie MacKenzie Parnell is one of 5,983 nurse practitioners in California

Nurse practitioner is Leslie Parnell's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Leslie Parnell's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense NP95010146 · taxonomy 363L00000X
  • Adult health nurse practitioner, New YorkLicense 308257 · taxonomy 363LA2200X

Nurse practitioners near Leslie Parnell

Counts of nurse practitioners 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 MacKenzie Parnell billed Medicare for 470 services in 2024

CMS data shows 470 Medicare services from Leslie Parnell across 7 procedure codes in 2024, for 295 Medicare patients. Medicare paid $28,872 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024470
Medicare patients295
Paid by Medicare$28,872
Procedure codes7

Leslie Parnell's Medicare services by type, 2024

  1. Office and hospital visits380
  2. Surgery73
  3. Other services17

Leslie Parnell compared with the California median for nurse practitioners, 2024

  • Leslie Parnell
  • California median
Medicare services
470vs 27968% above
Medicare patients
295vs 923.2 times
Part D claims
936vs 3662.6 times

Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.

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

Leslie MacKenzie Parnell treated 295 Medicare patients in 2024, average age 69

CMS counts 295 Medicare patients who saw Leslie Parnell in 2024. The largest group is 75 to 84, with 111 patients. 70% of them have high cholesterol, and 65% have high blood pressure. 32% are also on Medicaid. Their average risk score is 1.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Leslie Parnell's median patient age at 69, with 30% women.

Medicare patients, 2024295
Average age69
Average risk score1.89
Also on Medicaid32%

Leslie Parnell's Medicare patients by age, 2024

Leslie Parnell's Medicare patients by sex, 2024

  • Women14248%
  • Men15352%

Chronic conditions among Leslie Parnell's Medicare patients, 2024

  1. High cholesterol70%
  2. High blood pressure65%
  3. Arthritis47%
  4. Mood disorders38%
  5. Depression35%
  6. Cancer31%
  7. Anxiety29%
  8. Chronic kidney disease29%

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

Leslie Parnell's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women30%
  • Men67%

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

Leslie MacKenzie Parnell wrote 1,065 Medicare Part D claims in 2024

In 2024, Leslie Parnell wrote 1,065 Medicare Part D claims for 308 patients. 64% of them were for generic drugs. CMS names the drug for 936 of them, across 18 drugs with 11 or more claims each, at $297,919 in total drug cost.

Part D claims, 20241,065
Drugs named by CMS18
Total drug cost$297,919
Part D patients308

Leslie Parnell's Part D claims by kind of drug, 2024

  • Generic679 claims64%
  • Brand-name and other386 claims36%

Leslie Parnell'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 Parnell's Part D claims, 2024

  • Antibiotics20%211 of 1,065 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Leslie Parnell

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 MacKenzie Parnell scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Leslie Parnell for performance year 2024, reported as part of a group. Leslie Parnell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Leslie Parnell as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Leslie Parnell's MIPS scores, performance year 2024

  • 87of 100Final score
  • 86.8of 100Quality
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for Leslie MacKenzie Parnell'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
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 Leslie MacKenzie Parnell

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 MacKenzie Parnell's NPI number?

Leslie MacKenzie Parnell's NPI number is 1043732530. It was assigned on July 17, 2017, and it is active in the NPI Registry.

What does Leslie MacKenzie Parnell specialize in?

Leslie MacKenzie Parnell is a nurse practitioner in San Francisco, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Leslie MacKenzie Parnell practice?

Leslie Parnell practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Leslie Parnell's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Leslie Parnell to 5 group practices and clinics and 5 medical groups.

What is Leslie MacKenzie Parnell's office phone number?

The practice phone on file for Leslie Parnell is (415) 353-2733.

What is Leslie MacKenzie Parnell's medical license number?

Leslie Parnell holds California license NP95010146, one of the licenses on file in 2 states.

Which states has Leslie MacKenzie Parnell been licensed in?

Dmand AI has state licenses on file for Leslie Parnell in California and New York.

Which hospitals is Leslie MacKenzie Parnell affiliated with?

Leslie Parnell practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Leslie Parnell is also affiliated with MarinHealth Medical Center.

What medical group is Leslie MacKenzie Parnell part of?

Leslie Parnell is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Leslie Parnell to 5 more medical groups.

Does Leslie MacKenzie Parnell accept Medicare?

Yes. CMS data shows Leslie Parnell billed Medicare for 470 services in 2024, and Leslie Parnell accepts Medicare assignment.

Does Leslie MacKenzie Parnell offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Leslie Parnell as offering telehealth services.

Show 5 more questionsShow fewer questions

What is Leslie MacKenzie Parnell's MIPS score?

Leslie Parnell's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

How many Medicare patients does Leslie MacKenzie Parnell see?

CMS counts 295 Medicare patients who saw Leslie Parnell in 2024, with an average age of 69.

What services does Leslie MacKenzie Parnell bill to Medicare?

In 2024, Leslie Parnell's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99215).

What drugs does Leslie MacKenzie Parnell prescribe most?

In 2024 Medicare Part D data, Leslie Parnell's most prescribed drugs by claims were Gemtesa, Methenamine Hippurate and Myrbetriq.

How long has Leslie MacKenzie Parnell been practicing?

Leslie Parnell graduated from medical school in 2017, 9 years ago.

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