Dr. Nathan A. Pennell, MD, PhD
- Medicare services, 2024
- 380
- Medicare patients, 2024
- 113
- Part D claims, 2024
- 487
- Publications
- 116
- Clinical trials
- 10
- Practice address
- 9500 Euclid Avenue, Cleveland, OH 44195
- Practice phone
- Call (216) 952-9829
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Pennell'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. Nathan A. Pennell is a hematologist and oncologist in Cleveland, Ohio
Dr. Pennell practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.
Dr. Pennell's NPI, 1508836438, was assigned on January 24, 2006. Dr. Pennell graduated from University of Florida College of Medicine in 2002. Dr. Pennell holds Ohio license 35091488.
- NPI
- 1508836438NPI Registry (opens in a new tab)
- NPI enumeration date
- January 24, 2006
- NPI status
- Active
- Practice phone
- (216) 952-9829
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nathan A. Pennell practices at Cleveland Clinic Main Campus in Cleveland, Ohio
Dr. Pennell's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.
- Cleveland Clinic Main Campus9500 Euclid Avenue, Cleveland, OH 44195 · Cuyahoga CountyPhone(216) 952-9829
Source: Dmand AI Affiliation Data
Dr. Nathan A. Pennell is affiliated with 3 sites of care
Dr. Pennell's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Pennell to 2 clinical labs, each named with a free account. Dr. Pennell's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan A. Pennell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pennell practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Main Campus | Available with a free account |
| +2 more affiliated sites | 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 The Cleveland Clinic Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nathan A. Pennell is one of 460 hematologists and oncologists in Ohio
Hematology and oncology is Dr. Pennell's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Pennell is licensed in Ohio.
Specialties and state licenses
- Hematology and oncology, OhioPrimary
Hematologists and oncologists near Dr. Pennell
Counts of hematologists and oncologists 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. Nathan A. Pennell billed Medicare for 380 services in 2024
CMS data shows 380 Medicare services from Dr. Pennell across 5 procedure codes in 2024, for 113 Medicare patients. Medicare paid $17,227 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pennell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3292024: 21036%
- Other services
- 2023: 02024: 170
Dr. Pennell compared with the Ohio median for hematologists and oncologists, 2024
- Dr. Pennell
- Ohio median
- Medicare services
- 380vs 62639% below
- Medicare patients
- 113vs 23452% below
- Part D claims
- 285vs 47840% below
Medians across 452 hematologists and oncologists in Ohio with Dmand AI profiles that report each measure.
Dr. Pennell'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. Pennell and other hematologists and oncologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan A. Pennell treated 113 Medicare patients in 2024, average age 74
CMS counts 113 Medicare patients who saw Dr. Pennell in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 2.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Pennell's median patient age at 68, with 66% women.
Dr. Pennell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pennell's Medicare patients by sex, 2024
- Women6154%
- Men5246%
Chronic conditions among Dr. Pennell's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol72%
- COPD50%
- Arthritis47%
- Mood disorders35%
- Atrial fibrillation33%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pennell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women66%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan A. Pennell wrote 487 Medicare Part D claims in 2024
In 2024, Dr. Pennell wrote 487 Medicare Part D claims for 72 patients. 67% of them were for generic drugs. CMS names the drug for 285 of them, across 14 drugs with 11 or more claims each, at $946,381 in total drug cost. In 2023, CMS named 235 claims across 10 drugs.
Dr. Pennell's Part D claims by kind of drug, 2024
- Generic325 claims67%
- Brand-name162 claims33%
Dr. Pennell'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 Dr. Pennell's Part D claims, 2024
- Opioids3%16 of 487 claims
- Antibiotics4%20 of 487 claims
- Antipsychotics, patients 65 and over5%22 of 487 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2352024: 28521%
Drugs named by CMS: 14 in 2024, 10 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
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Dr. Nathan A. Pennell has 116 publications on record
Dmand AI links 116 papers to Dr. Pennell, published from 2009 to 2025. 2022 was the busiest year, with 11. The most frequent topics are Lung Neoplasms, Carcinoma, Non-Small-Cell Lung and ErbB Receptors. Dr. Pennell has published most often in Oncologist. Dr. Pennell's most frequent co-authors are Vamsidhar Velcheti, MD, Pradnya Dinkar Patil, MD and Daniel Philip Raymond, MD.
Dr. Pennell's papers by year, 2016 to 2025
Topics Dr. Pennell writes about most
- Lung Neoplasms
- Carcinoma, Non-Small-Cell Lung
- ErbB Receptors
- Protein Kinase Inhibitors
- COVID-19
- SARS-CoV-2
- Antineoplastic Combined Chemotherapy Protocols
- Medical Oncology
Dr. Pennell's most frequent co-authors
- Vamsidhar Velcheti, MD16 shared papers
- Pradnya Dinkar Patil, MD13 shared papers
- Daniel Philip Raymond, MD6 shared papers
Recent publications by Dr. Pennell
See who Dr. Pennell researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pennell works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan A. Pennell has worked on 10 clinical trials
Dmand AI links Dr. Pennell to 10 clinical trials, 4 of them phase 2 studies. 7 are still active or recruiting. Conditions studied include Carcinoma, Bronchogenic, Carcinoma, Medullary and Carcinoma, Non-Small-Cell Lung. National Cancer Institute (NCI) sponsors the most, 5.
Clinical trials with Dr. Pennell by phase
- NonePhase 1: no trials
- 2Phase 1/2: 2 trials
- 4Phase 2: 4 trials
- 2Phase 3: 2 trials
- NonePhase 4: no trials
Conditions in Dr. Pennell's trials
- Carcinoma, Bronchogenic
- Carcinoma, Medullary
- Carcinoma, Non-Small-Cell Lung
- Lung Neoplasms
- Thoracic Neoplasms
Investigators on the most trials with Dr. Pennell
- Christine Marie Bestvina, MD4 shared trials
- Jennifer Marie Suga, MD4 shared trials
- Lyudmila A. Bazhenova, MD3 shared trials
Recent clinical trials with Dr. Pennell
An Open-Label Phase 1/2 Study of Itacitinib in Combination With Osimertinib in Subjects With Locally Advanced or Metastatic Non-Small Cell Lung Cancer (opens in a new tab)
Randomized Phase III Trial of MEDI4736 (Durvalumab) as Concurrent and Consolidative Therapy or Consolidative Therapy Alone for Unresectable Stage 3 NSCLC (opens in a new tab)
NCI COVID-19 in Cancer Patients Study (NCCAPS): A Longitudinal Natural History Study (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Nathan A. Pennell received $192,876 in industry payments from 2016 to 2025
CMS Open Payments shows 150 general payments to Dr. Pennell from 15 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 74% of the total. AstraZeneca Pharmaceuticals LP paid the most, $51,106. It also lists 3 research payments totaling $687 from 2016 to 2018.
General payments to Dr. Pennell by program year, 2016 to 2025
General payments to Dr. Pennell by kind, 2016 to 2025
- Consulting fees$142,01574%
- Speaker and faculty fees$28,08015%
- Travel and lodging$13,4777%
- Honoraria$4,5202%
- Other$4,2842%
Companies that paid Dr. Pennell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan A. Pennell graduated from University of Florida College of Medicine
Dr. Pennell graduated from University of Florida College of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan A. Pennell'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Nathan A. Pennell
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What is Dr. Nathan A. Pennell's NPI number?
Dr. Nathan A. Pennell's NPI number is 1508836438. It was assigned on January 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan A. Pennell?
Dr. Nathan A. Pennell is a hematologist and oncologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Nathan A. Pennell practice?
Dr. Pennell practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Pennell's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Pennell to 2 clinical labs.
What is Dr. Nathan A. Pennell's office phone number?
The practice phone on file for Dr. Pennell is (216) 952-9829.
What is Dr. Nathan A. Pennell's medical license number?
Dr. Pennell holds Ohio license 35091488.
Which hospitals is Dr. Nathan A. Pennell affiliated with?
Dr. Pennell practices at Cleveland Clinic Main Campus in Cleveland, Ohio.
Does Dr. Nathan A. Pennell accept Medicare?
Yes. CMS data shows Dr. Pennell billed Medicare for 380 services in 2024.
How many Medicare patients does Dr. Nathan A. Pennell see?
CMS counts 113 Medicare patients who saw Dr. Pennell in 2024, with an average age of 74.
What services does Dr. Nathan A. Pennell bill to Medicare?
In 2024, Dr. Pennell's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Nathan A. Pennell go to medical school?
Dr. Pennell graduated from University of Florida College of Medicine in 2002.
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What drugs does Dr. Nathan A. Pennell prescribe most?
In 2024 Medicare Part D data, Dr. Pennell's most prescribed drugs by claims were Tagrisso, Ondansetron HCl and Olanzapine.
Has Dr. Nathan A. Pennell received payments from drug or device companies?
CMS Open Payments shows $192,876 in general payments to Dr. Pennell from 15 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Nathan A. Pennell been practicing?
Dr. Pennell graduated from medical school in 2002, 24 years ago.
Does Dr. Nathan A. Pennell do research?
Dmand AI links 116 publications to Dr. Pennell, published from 2009 to 2025. Dr. Pennell has worked on 10 clinical trials.
Who does Dr. Nathan A. Pennell publish with?
Dr. Pennell's most frequent co-authors are Vamsidhar Velcheti, MD (16 shared papers), Pradnya Dinkar Patil, MD (13 shared papers) and Daniel Philip Raymond, MD (6 shared papers).
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