Dr. Leah Kathleen Machen, MD
- Medicare services, 2024
- 308
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 39
- Publications
- 5
- Hospital affiliations
- 2
- Practice address
- 1155 Mill Street, Reno, NV 89502
- Practice phone
- Call (775) 982-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Machen'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.
Dr. Leah Kathleen Machen is a hospitalist in Reno, Nevada
Dr. Machen practices at Renown Regional Medical Center in Reno, Nevada, part of Renown Health.
Dr. Machen's NPI, 1023404696, was assigned on April 10, 2015. Dr. Machen graduated from Emory School of Medicine in 2015. Dr. Machen's Nevada license number on file is 24473.
- NPI
- 1023404696NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911258751
- NPI enumeration date
- April 10, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (775) 982-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leah Kathleen Machen practices at Renown Regional Medical Center in Reno, Nevada
Dr. Machen's primary practice is Renown Regional Medical Center, at 1155 Mill Street, Reno, NV 89502 in Washoe County. The practice phone is (775) 982-4100.
- Renown Regional Medical Center1155 Mill Street, Reno, NV 89502 · Washoe CountyPhone(775) 982-4100
Source: Dmand AI Affiliation Data
Dr. Leah Kathleen Machen is affiliated with 2 sites of care and 8 medical groups
Dr. Machen's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dr. Machen is also affiliated with Our Lady of the Lake Regional Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Dr. Machen to 7 more medical groups, 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. Leah Kathleen Machen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Machen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Renown Regional Medical Center | Available with a free account |
| +1 more site and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Renown Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leah Kathleen Machen is one of 167 hospitalists in Nevada
Hospitalist is Dr. Machen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Machen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Machen's licenses on file in 4 states: Nevada, California, Louisiana and North Carolina.
Specialties and state licenses
- Hospitalist, NevadaPrimary
- California license
- Louisiana license
- North Carolina license
Clinical focus
Dmand AI lists anemia, bile duct problems, cellulitis, chest pain, circulation problems, gastrointestinal bleeding, gastrointestinal infection and gastrointestinal inflammation among the conditions Dr. Machen treats.
Hospitalists near Dr. Machen
Counts of hospitalists 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. Leah Kathleen Machen billed Medicare for 308 services in 2024
CMS data shows 308 Medicare services from Dr. Machen across 5 procedure codes in 2024, for 114 Medicare patients. Medicare paid $24,687 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Machen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2752024: 30812%
Dr. Machen compared with the Nevada median for hospitalists, 2024
- Dr. Machen
- Nevada median
- Medicare services
- 308vs 53142% below
- Medicare patients
- 114vs 25856% below
- Part D claims
- 93vs 7918% above
Medians across 159 hospitalists in Nevada with Dmand AI profiles that report each measure.
Dr. Machen'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. Machen and other hospitalists in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leah Kathleen Machen treated 114 Medicare patients in 2024, average age 74
CMS counts 114 Medicare patients who saw Dr. Machen in 2024. The largest group is 75 to 84, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.59, 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. Machen's median patient age at 71, with 53% women.
Dr. Machen's Medicare patients by age, 2024
Dr. Machen's Medicare patients by sex, 2024
- Women4943%
- Men6557%
Chronic conditions among Dr. Machen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease51%
- Diabetes47%
- Ischemic heart disease47%
- Arthritis46%
- Heart failure45%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Machen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leah Kathleen Machen wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Machen wrote 39 Medicare Part D claims for 20 patients. 95% of them were for generic drugs. They cover 7 drugs, with $1,511 in total drug cost. In 2018, CMS named 348 claims across 20 drugs.
Dr. Machen's Part D claims by kind of drug, 2024
- Generic37 claims95%
- Brand-name and other2 claims5%
Dr. Machen's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 3482019: 9373%
Drugs named by CMS: 7 in 2019, 20 in 2018.
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
How Dr. Leah Kathleen Machen takes part in Medicare
Dr. Machen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leah Kathleen Machen has 5 publications on record
Dmand AI links 5 papers to Dr. Machen, published from 2015 to 2021. 2021 was the busiest year, with 2. Dr. Machen's most frequent co-authors are Lisa Blake Haddad, MD and Rita Hamad, MD.
Dr. Machen's papers by year, 2015 to 2021
Dr. Machen's most frequent co-authors
Recent publications by Dr. Machen
JMIR Mhealth Uhealth
AIDS Care
See who Dr. Machen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Machen works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leah Kathleen Machen received $136 in industry payments from 2023 to 2024
CMS Open Payments shows 7 general payments to Dr. Machen from 6 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $40.
General payments to Dr. Machen by program year, 2023 to 2024
Companies that paid Dr. Machen the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leah Kathleen Machen graduated from Emory School of Medicine
Dr. Machen graduated from Emory School of Medicine in 2015.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Leah Kathleen Machen accepts plans from 8 insurance carriers
Dr. Machen is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, HCSC and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- United Healthcare
- Blue Cross and Blue Shield of Louisiana
- CMS Medicare
- NV State Medicaid
Plan types Dr. Machen accepts, by number of carriers
- Medicare6
- PPO5
- HMO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leah Kathleen Machen'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Leah Kathleen Machen
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. Leah Kathleen Machen's NPI number?
Dr. Leah Kathleen Machen's NPI number is 1023404696. It was assigned on April 10, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Leah Kathleen Machen?
Dr. Leah Kathleen Machen is a hospitalist in Reno, Nevada. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Leah Kathleen Machen practice?
Dr. Machen practices at 1155 Mill Street, Reno, NV 89502. Dr. Machen's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dmand AI also links Dr. Machen to 7 medical groups.
What is Dr. Leah Kathleen Machen's office phone number?
The practice phone on file for Dr. Machen is (775) 982-4100.
What is Dr. Leah Kathleen Machen's medical license number?
Dr. Machen's Nevada license number on file is 24473, one of the licenses on file in 4 states.
Which states has Dr. Leah Kathleen Machen been licensed in?
Dmand AI has state licenses on file for Dr. Machen in Nevada (2023 to 2025), California (2018 to 2025), Louisiana (2020 to 2025) and North Carolina (2015 to 2018).
Which hospitals is Dr. Leah Kathleen Machen affiliated with?
Dr. Machen practices at Renown Regional Medical Center in Reno, Nevada. Dr. Machen is also affiliated with Our Lady of the Lake Regional Medical Center.
What medical group is Dr. Leah Kathleen Machen part of?
Dr. Machen is linked to Sound Physicians. Dmand AI links Dr. Machen to 7 more medical groups.
Does Dr. Leah Kathleen Machen accept Medicare?
Yes. CMS data shows Dr. Machen billed Medicare for 308 services in 2024, and Dr. Machen accepts Medicare assignment.
How many Medicare patients does Dr. Leah Kathleen Machen see?
CMS counts 114 Medicare patients who saw Dr. Machen in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Leah Kathleen Machen board certified?
Yes. Dr. Machen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Leah Kathleen Machen bill to Medicare?
In 2024, Dr. Machen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Leah Kathleen Machen go to medical school?
Dr. Machen graduated from Emory School of Medicine in 2015.
What drugs does Dr. Leah Kathleen Machen prescribe most?
In 2019 Medicare Part D data, Dr. Machen's most prescribed drugs by claims were Lisinopril, Gabapentin and Amlodipine Besylate.
Has Dr. Leah Kathleen Machen received payments from drug or device companies?
CMS Open Payments shows $136 in general payments to Dr. Machen from 6 companies from 2023 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Leah Kathleen Machen been practicing?
Dr. Machen graduated from medical school in 2015, 11 years ago.
Does Dr. Leah Kathleen Machen do research?
Dmand AI links 5 publications to Dr. Machen, published from 2015 to 2021.
Who does Dr. Leah Kathleen Machen publish with?
Dr. Machen's most frequent co-authors are Lisa Blake Haddad, MD (1 shared paper) and Rita Hamad, MD (1 shared paper).
What insurance does Dr. Leah Kathleen Machen accept?
Dr. Machen is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, HCSC and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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