$4,377 in research paymentsEczemaDermatitis, AtopicBaricitinib
Dr. Daniel J. Marnell, MD
NPI1508831280
- Medicare services, 2020
- 285
- Part D claims, 2019
- 99
- Clinical trials
- 4
- Industry payments
- $557
- Affiliated sites
- 3
- Practice address
- 6367 Alvarado Ct Ste 107, San Diego, CA 92120
- Practice phone
- Call (619) 287-1882
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Diego Dermatology & Cosmetic Surgery
Clinical Lab - Full Service · San Diego, California
Find Dr. Marnell'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. Daniel J. Marnell is a dermatologist in San Diego, California
Dr. Marnell practices at San Diego Dermatology & Cosmetic Surgery in San Diego, California.
Dr. Marnell's NPI, 1508831280, was assigned on February 17, 2006. Dr. Marnell graduated from Georgetown University School of Medicine in 1966. Dr. Marnell holds California license C33369.
NPI and contact details
- NPI
- 1508831280NPI Registry (opens in a new tab)
- NPI enumeration date
- February 17, 2006
- NPI status
- Active
- Practice phone
- (619) 287-1882
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 86
- Medical school graduation
- 1966
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Daniel J. Marnell practices at San Diego Dermatology & Cosmetic Surgery in San Diego, California
Dr. Marnell's primary practice is San Diego Dermatology & Cosmetic Surgery, at 6367 Alvarado Ct Ste 107, San Diego, CA 92120. The practice phone is (619) 287-1882.
- San Diego Dermatology & Cosmetic Surgery6367 Alvarado Ct Ste 107, San Diego, CA 92120Phone(619) 287-1882
Source: Dmand AI Affiliation Data
Dr. Daniel J. Marnell is affiliated with 3 sites of care and 1 medical group
Dr. Marnell's primary practice is San Diego Dermatology & Cosmetic Surgery in San Diego, California. The medical group on file is San Diego Dermatology & Cosmetic Surgery. Dmand AI also links Dr. Marnell to 1 more physician office and 1 group practice or clinic, each named with a free account. Dr. Marnell's employer is on file too: a clinical lab.
San Diego Dermatology & Cosmetic SurgeryPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Daniel J. Marnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marnell practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Diego Dermatology & Cosmetic Surgery | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel J. Marnell is one of 1,910 dermatologists in California
Dermatology is Dr. Marnell's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Marnell is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Marnell
Counts of dermatologists 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. Daniel J. Marnell billed Medicare for 285 services in 2020
CMS data shows 285 Medicare services from Dr. Marnell across 7 procedure codes in 2020. Medicare paid $7,802 for them. Every service was in an office.
Medicare services, 2020285
Paid by Medicare$7,802
Procedure codes7
Dr. Marnell's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Surgery
- 2019: 5972020: 19268%
- Office and hospital visits
- 2019: 3172020: 7178%
- Lab and pathology
- 2019: 1092020: 2280%
Dr. Marnell compared with the California median for dermatologists, 2020
- Dr. Marnell
- California median
- Medicare services
- 285vs 1,75084% below
- Part D claims
- 99vs 36773% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Marnell's most billed Medicare procedure codes, 2020
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
Dr. Daniel J. Marnell's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Marnell's median patient age at 75, with 44% women.
Dr. Marnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Daniel J. Marnell wrote 99 Medicare Part D claims in 2019
In 2019, Dr. Marnell wrote 99 Medicare Part D claims. They cover 7 drugs, with $209,991 in total drug cost. In 2018, CMS named 230 claims across 10 drugs.
Part D claims, 201999
Drugs named by CMS7
Total drug cost$209,991
Dr. Marnell'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: 2302019: 9957%
Drugs named by CMS: 7 in 2019, 10 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Daniel J. Marnell has worked on 4 clinical trials
Dmand AI links Dr. Marnell to 4 clinical trials. Conditions studied include Eczema and Dermatitis, Atopic. Eli Lilly and Company sponsors the most, 4. Open Payments lists research payments to Dr. Marnell that name 4 trials.
Conditions in Dr. Marnell's trials
- Eczema
- Dermatitis, Atopic
Investigators on the most trials with Dr. Marnell
- John Caleb Browning, MD4 shared trials
- Edward Lewis Lain, MD4 shared trials
- Sunil S. Dhawan, MD3 shared trials
Recent clinical trials with Dr. Marnell
$15 in research paymentsEczemaDermatitis, AtopicBaricitinib
$40 in research paymentsEczemaDermatitis, AtopicBaricitinib
A Study of Long-term Baricitinib (LY3009104) Therapy in Atopic Dermatitis (opens in a new tab)
Completed
$4,235 in research paymentsEczemaDermatitis, AtopicBaricitinib
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Daniel J. Marnell received $557 in industry payments in 2017
CMS Open Payments shows 3 general payments to Dr. Marnell from 1 drug or device company in 2017. Food and beverage make up the largest share, 59% of the total. Eli Lilly and Company paid the most, $557. It also lists 5 research payments totaling $8,667 from 2017 to 2020, naming 4 clinical trials.
General payments to Dr. Marnell by kind, 2017 to 2017
$557in total
- Food and beverage$33059%
- Travel and lodging$22741%
Companies that paid Dr. Marnell the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel J. Marnell graduated from Georgetown University School of Medicine
Dr. Marnell graduated from Georgetown University School of Medicine in 1966.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel J. Marnell'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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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 |
| 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. Daniel J. Marnell
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. Daniel J. Marnell's NPI number?
Dr. Daniel J. Marnell's NPI number is 1508831280. It was assigned on February 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel J. Marnell?
Dr. Daniel J. Marnell is a dermatologist in San Diego, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Daniel J. Marnell practice?
Dr. Marnell practices at 6367 Alvarado Ct Ste 107, San Diego, CA 92120. Dr. Marnell's primary practice is San Diego Dermatology & Cosmetic Surgery in San Diego, California. Dmand AI also links Dr. Marnell to 1 physician office and 1 group practice or clinic.
What is Dr. Daniel J. Marnell's office phone number?
The practice phone on file for Dr. Marnell is (619) 287-1882.
What is Dr. Daniel J. Marnell's medical license number?
Dr. Marnell holds California license C33369.
What medical group is Dr. Daniel J. Marnell part of?
Dr. Marnell is linked to San Diego Dermatology & Cosmetic Surgery.
Does Dr. Daniel J. Marnell accept Medicare?
Yes. CMS data shows Dr. Marnell billed Medicare for 285 services in 2020.
What services does Dr. Daniel J. Marnell bill to Medicare?
In 2020, Dr. Marnell's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (17000) and office visit, established patient (99213).
Where did Dr. Daniel J. Marnell go to medical school?
Dr. Marnell graduated from Georgetown University School of Medicine in 1966.
What drugs does Dr. Daniel J. Marnell prescribe most?
In 2019 Medicare Part D data, Dr. Marnell's most prescribed drugs by claims were Triamcinolone Acetonide, Clobetasol Propionate and Enbrel.
Show 3 more questionsShow fewer questions
Has Dr. Daniel J. Marnell received payments from drug or device companies?
CMS Open Payments shows $557 in general payments to Dr. Marnell from 1 company from 2017 to 2017. The largest total came from Eli Lilly and Company.
How long has Dr. Daniel J. Marnell been practicing?
Dr. Marnell graduated from medical school in 1966, 60 years ago.
Does Dr. Daniel J. Marnell do research?
Dr. Marnell has worked on 4 clinical trials.
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