Leisha Ann Emens

  • Stockton, CA
  • Medical oncologist
NPI1003845132
Medicare services, 2022
44
Part D claims, 2024
26
Publications
95
Clinical trials
10
Hospital affiliations
1
Practice address
7373 West Ln, Stockton, CA 95210
Practice phone
Call (209) 476-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Permanente Medical Group Inc

Stockton, California

See all 5 affiliations

Find Leisha Emens' 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.

View contacts for free

Leisha Ann Emens is a medical oncologist in Stockton, California

Leisha Emens practices at Permanente Medical Group Inc in Stockton, California.

Leisha Emens' NPI, 1003845132, was assigned on July 1, 2006. Leisha Emens graduated from Baylor College of Medicine in 1995. Leisha Emens holds Maryland license D53132.

NPI and contact details
NPI enumeration date
July 1, 2006
NPI status
Active
Practice phone
(209) 476-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
57
Medical school graduation
1995

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

Leisha Ann Emens practices at Permanente Medical Group Inc in Stockton, California

Leisha Emens' primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.

  • Permanente Medical Group Inc
    7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000

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

Leisha Ann Emens is affiliated with 2 sites of care and 3 medical groups

Leisha Emens' primary practice is Permanente Medical Group Inc in Stockton, California. Leisha Emens is also affiliated with The Johns Hopkins Hospital. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Leisha Emens to 2 more medical groups, each named with a free account.

See all 5 affiliations for Leisha Emens

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 Leisha Ann Emens' practice

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

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Leisha Emens practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Leisha Ann Emens is one of 415 medical oncologists in California

Medical oncology is Leisha Emens' primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Leisha Emens is licensed in Maryland.

Specialties and state licenses

  • Medical oncology, MarylandPrimaryLicense D53132 · taxonomy 207RX0202X

Medical oncologists near Leisha Emens

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

415medical oncologists in California
6medical oncologists in Stockton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Leisha Ann Emens billed Medicare for 44 services in 2022

CMS data shows 44 Medicare services from Leisha Emens across 2 procedure codes in 2022, all of them office visits. Medicare paid $2,598 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202244
Paid by Medicare$2,598
Procedure codes2

Leisha Emens' Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 842022: 4448%

Leisha Emens compared with the California median for medical oncologists, 2022

  • Leisha Emens
  • California median
Medicare services
44vs 49691% below
Part D claims
11vs 14492% below

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Leisha Emens' most billed Medicare procedure codes, 2022

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 Leisha Emens

Need commercial claims for Leisha Emens?

Medicare shows one payer. Book a meeting to get commercial claims data for Leisha Emens and other medical oncologists in California.

Book a meeting

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

Leisha Ann Emens' patients have a median age of 66

Across all payers, Dmand AI patient panel data puts Leisha Emens' median patient age at 66, with 98% women.

Leisha Emens' patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women98%
  • Men2%

Source: Dmand AI Patient Panel Data

Leisha Ann Emens wrote 26 Medicare Part D claims in 2024

In 2024, Leisha Emens wrote 26 Medicare Part D claims for 21 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $308 in total drug cost. In 2023, CMS named 37 claims across 1 drug.

Part D claims, 202426
Drugs named by CMS1
Total drug cost$308
Part D patients21

Leisha Emens' 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: 372024: 1170%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Leisha Emens

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

For MedTech and pharma teams

Find medical oncologists like Leisha Emens by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Leisha Ann Emens has 95 publications on record

Dmand AI links 95 papers to Leisha Emens, published from 2009 to 2025. 2021 was the busiest year, with 9. The most frequent topics are Breast Neoplasms, Immunotherapy and Tumor Microenvironment. Leisha Emens has published most often in J Immunother Cancer. Leisha Emens' most frequent co-authors are John H. Fetting, MD, Antonio Carlos Wolff, MD and Elizabeth Jaffee, MD.

Papers95
Years published2009 to 2025

Leisha Emens' papers by year, 2016 to 2025

Topics Leisha Emens writes about most

  • Breast Neoplasms
  • Immunotherapy
  • Tumor Microenvironment
  • Antineoplastic Agents
  • Cancer Vaccines
  • Biomarkers, Tumor
  • Antineoplastic Combined Chemotherapy Protocols
  • B7-H1 Antigen

Leisha Emens' most frequent co-authors

Recent publications by Leisha Emens

See all 95 publications and co-authors

See who Leisha Emens researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Leisha Emens works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Leisha Ann Emens has worked on 10 clinical trials

Dmand AI links Leisha Emens to 10 clinical trials, 6 of them phase 2 studies. 6 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Breast Carcinoma In Situ. Dana-Farber Cancer Institute sponsors the most, 2.

Clinical trials with Leisha Emens by phase

  1. 1Phase 1: 1 trial
  2. 1Phase 1/2: 1 trial
  3. 6Phase 2: 6 trials
  4. 1Phase 3: 1 trial
  5. NonePhase 4: no trials

Conditions in Leisha Emens' trials

  • Breast Neoplasms
  • Breast Diseases
  • Breast Carcinoma In Situ
  • Carcinoma, Renal Cell
  • Fanconi Anemia, Complementation Group D1

Investigators on the most trials with Leisha Emens

Recent clinical trials with Leisha Emens

See all 10 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Leisha Ann Emens received $234,350 in industry payments from 2016 to 2024

CMS Open Payments shows 127 general payments to Leisha Emens from 10 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 67% of the total. Genentech, Inc. paid the most, $211,239. It also lists 21 research payments totaling $24,738 from 2020 to 2021.

General payments to Leisha Emens by program year, 2016 to 2024

General payments to Leisha Emens by kind, 2016 to 2024

$234.4Kin total
  • Consulting fees$156,40767%
  • Speaker and faculty fees$46,17120%
  • Travel and lodging$27,13812%
  • Food and beverage$4,6222%
  • Education$120%

Companies that paid Leisha Emens the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Leisha Emens

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

Leisha Ann Emens graduated from Baylor College of Medicine

Leisha Emens graduated from Baylor College of Medicine in 1995.

  1. Medical schoolBaylor College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Leisha Ann Emens'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 Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Leisha Ann Emens

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Leisha Ann Emens' NPI number?

Leisha Ann Emens' NPI number is 1003845132. It was assigned on July 1, 2006, and it is active in the NPI Registry.

What does Leisha Ann Emens specialize in?

Leisha Ann Emens is a medical oncologist in Stockton, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Leisha Ann Emens practice?

Leisha Emens practices at 7373 West Ln, Stockton, CA 95210. Leisha Emens' primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Leisha Emens to 2 medical groups.

What is Leisha Ann Emens' office phone number?

The practice phone on file for Leisha Emens is (209) 476-2000.

What is Leisha Ann Emens' medical license number?

Leisha Emens holds Maryland license D53132.

Which hospitals is Leisha Ann Emens affiliated with?

Leisha Emens is affiliated with The Johns Hopkins Hospital.

What medical group is Leisha Ann Emens part of?

Leisha Emens is linked to The Permanente Medical Group, Inc. Dmand AI links Leisha Emens to 2 more medical groups.

Does Leisha Ann Emens accept Medicare?

Yes. CMS data shows Leisha Emens billed Medicare for 44 services in 2022.

What services does Leisha Ann Emens bill to Medicare?

In 2022, Leisha Emens' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Leisha Ann Emens go to medical school?

Leisha Emens graduated from Baylor College of Medicine in 1995.

Show 5 more questionsShow fewer questions

What drugs does Leisha Ann Emens prescribe most?

In 2024 Medicare Part D data, Leisha Emens' most prescribed drugs by claims were Anastrozole.

Has Leisha Ann Emens received payments from drug or device companies?

CMS Open Payments shows $234,350 in general payments to Leisha Emens from 10 companies from 2016 to 2024. The largest total came from Genentech, Inc.

How long has Leisha Ann Emens been practicing?

Leisha Emens graduated from medical school in 1995, 31 years ago.

Does Leisha Ann Emens do research?

Dmand AI links 95 publications to Leisha Emens, published from 2009 to 2025. Leisha Emens has worked on 10 clinical trials.

Who does Leisha Ann Emens publish with?

Leisha Emens' most frequent co-authors are John H. Fetting, MD (6 shared papers), Antonio Carlos Wolff, MD (6 shared papers) and Elizabeth Jaffee, MD (5 shared papers).

Selling to medical oncology practices?

See medical oncologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)