J Am Acad Dermatol
Dr. Patrick Robert Dahl, MD
- Medicare services, 2024
- 6,538
- Medicare patients, 2024
- 466
- Part D claims, 2024
- 363
- Publications
- 8
- MIPS score, 2024
- 75
- Practice address
- 301 W Bastanchury Rd, Fullerton, CA 92835
- Practice phone
- Call (949) 706-2887
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fullerton Clinical and Surgical Facility
Fullerton, California
Find Dr. Dahl'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. Patrick Robert Dahl is a dermatologist in Fullerton, California
Dr. Dahl practices at Fullerton Clinical and Surgical Facility in Fullerton, California.
Dr. Dahl's NPI, 1033213392, was assigned on September 8, 2006. Dr. Dahl graduated from Stanford University School Of Medicine in 1991. Dr. Dahl holds California license G75823.
- NPI
- 1033213392NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062594245
- NPI enumeration date
- September 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 706-2887
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick Robert Dahl practices at Fullerton Clinical and Surgical Facility in Fullerton, California
Dr. Dahl's primary practice is Fullerton Clinical and Surgical Facility, at 301 W Bastanchury Rd, Fullerton, CA 92835 in Orange County. The practice phone is (949) 706-2887.
- Fullerton Clinical and Surgical Facility301 W Bastanchury Rd, Fullerton, CA 92835 · Orange CountyPhone(949) 706-2887
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Patrick Robert Dahl is affiliated with 4 sites of care and 2 medical groups
Dr. Dahl's primary practice is Fullerton Clinical and Surgical Facility in Fullerton, California. Dr. Dahl is also affiliated with Providence St. Jude Medical Center. The medical group on file is Schweiger Dermatology Group, San Pedro. Dmand AI also links Dr. Dahl to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Patrick Robert Dahl's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dahl practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fullerton Clinical and Surgical Facility | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick Robert Dahl is one of 1,910 dermatologists in California
Dermatology is Dr. Dahl's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Dahl is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Dahl's licenses on file in 4 states: California, Arizona, Minnesota and Nevada.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- Arizona license
- Minnesota license
- Nevada license
Clinical focus
Dmand AI lists acute skin infection, benign or precancerous skin growths, contact dermatitis, hives, itchy rashes, scalp rash, skin cyst and skin discoloration among the conditions Dr. Dahl treats.
Dermatologists near Dr. Dahl
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. Patrick Robert Dahl billed Medicare for 6,538 services in 2024
CMS data shows 6,538 Medicare services from Dr. Dahl across 17 procedure codes in 2024, for 466 Medicare patients. Medicare paid $248,717 for them. Every service was in an office.
Dr. Dahl's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3,9032024: 4,83624%
- Lab and pathology
- 2023: 7932024: 88812%
- Office and hospital visits
- 2023: 7512024: 8148%
Dr. Dahl compared with the California median for dermatologists, 2024
- Dr. Dahl
- California median
- Medicare services
- 6,538vs 1,7503.7 times
- Medicare patients
- 466vs 37724% above
- Part D claims
- 281vs 36723% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Dahl'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.
Need commercial claims for Dr. Dahl?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dahl and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick Robert Dahl treated 466 Medicare patients in 2024, average age 77
CMS counts 466 Medicare patients who saw Dr. Dahl in 2024. The largest group is 65 to 74, with 192 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dahl's median patient age at 75, with 44% women.
Dr. Dahl's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dahl's Medicare patients by sex, 2024
- Women21747%
- Men24953%
Chronic conditions among Dr. Dahl's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis46%
- Chronic kidney disease22%
- Diabetes22%
- Ischemic heart disease22%
- Atrial fibrillation20%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dahl'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%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Patrick Robert Dahl wrote 363 Medicare Part D claims in 2024
In 2024, Dr. Dahl wrote 363 Medicare Part D claims for 124 patients. 98% of them were for generic drugs. CMS names the drug for 281 of them, across 10 drugs with 11 or more claims each, at $4,846 in total drug cost. In 2023, CMS named 293 claims across 9 drugs.
Dr. Dahl's Part D claims by kind of drug, 2024
- Generic355 claims98%
- Brand-name and other8 claims2%
Dr. Dahl'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. Dahl's Part D claims, 2024
- Antibiotics14%51 of 363 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: 2932024: 2814%
Drugs named by CMS: 10 in 2024, 9 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
Dr. Patrick Robert Dahl scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Dahl for performance year 2024, reported as part of a group. Dr. Dahl accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 475 procedures of skin biopsy by Dr. Dahl, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Dahl ranks in Medicare procedure volume
- Removal of skin lesions
- 94th percentile1,127 procedures
- Skin biopsy
- 95th percentile475 procedures
- Removal of skin cancer
- 15th percentile43 procedures
- Melanoma (skin cancer) excision
- 79th percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Patrick Robert Dahl has 8 publications on record
Dmand AI links 8 papers to Dr. Dahl. The most frequent topics are Skin and Necrosis. Dr. Dahl has published most often in J Am Acad Dermatol. Dr. Dahl's most frequent co-authors are Mazen S. Daoud, MD, Kristina A. Holmkvist, MD and Charles Vincent Perniciaro, MD.
Topics Dr. Dahl writes about most
- Skin
- Necrosis
Dr. Dahl's most frequent co-authors
- Mazen S. Daoud, MD2 shared papers
- Kristina A. Holmkvist, MD2 shared papers
- Charles Vincent Perniciaro, MD2 shared papers
Recent publications by Dr. Dahl
J Am Acad Dermatol
J Am Acad Dermatol
J Am Acad Dermatol
See who Dr. Dahl researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dahl works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Patrick Robert Dahl received $506 in industry payments from 2016 to 2018
CMS Open Payments shows 8 general payments to Dr. Dahl from 5 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $250.
General payments to Dr. Dahl by program year, 2016 to 2018
Companies that paid Dr. Dahl the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick Robert Dahl has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Dahl, most recently Top Doctors:LA Area in 2013.
Awards and honors for Dr. Dahl
- 2013
- Top Doctors:LA Area
- Top Doctors:San Diego Area
- 2012
- Top Doctors:Southern California
- Undated
- AAD Fellow
Source: Dmand AI Professional Profile Data
Dr. Patrick Robert Dahl graduated from Stanford University School Of Medicine
Dr. Dahl graduated from Stanford University School Of Medicine in 1991. Dr. Dahl is a member of AAD.
- Medical school
- Board certified in dermatology
- Board certified in dermatopathology
Source: Dmand AI Professional Profile Data
Dr. Patrick Robert Dahl accepts plans from 14 insurance carriers
Dr. Dahl is in network with 14 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Dahl accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Patrick Robert Dahl'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Patrick Robert Dahl
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. Patrick Robert Dahl's NPI number?
Dr. Patrick Robert Dahl's NPI number is 1033213392. It was assigned on September 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick Robert Dahl?
Dr. Patrick Robert Dahl is a dermatologist in Fullerton, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Patrick Robert Dahl practice?
Dr. Dahl practices at 301 W Bastanchury Rd, Fullerton, CA 92835. Dr. Dahl's primary practice is Fullerton Clinical and Surgical Facility in Fullerton, California. Dmand AI also links Dr. Dahl to 2 group practices and clinics and 1 medical group.
What is Dr. Patrick Robert Dahl's office phone number?
The practice phone on file for Dr. Dahl is (949) 706-2887.
What is Dr. Patrick Robert Dahl's medical license number?
Dr. Dahl holds California license G75823, one of the licenses on file in 4 states.
Which states has Dr. Patrick Robert Dahl been licensed in?
Dmand AI has state licenses on file for Dr. Dahl in California (1993 to 2026), Arizona (1999 to 2025), Minnesota (1992 to 2017) and Nevada (1996 to 2011).
Which hospitals is Dr. Patrick Robert Dahl affiliated with?
Dr. Dahl is affiliated with Providence St. Jude Medical Center.
What medical group is Dr. Patrick Robert Dahl part of?
Dr. Dahl is linked to Schweiger Dermatology Group, San Pedro. Dmand AI links Dr. Dahl to 1 more medical group.
Does Dr. Patrick Robert Dahl accept Medicare?
Yes. CMS data shows Dr. Dahl billed Medicare for 6,538 services in 2024, and Dr. Dahl accepts Medicare assignment.
What is Dr. Patrick Robert Dahl's MIPS score?
Dr. Dahl's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Patrick Robert Dahl see?
CMS counts 466 Medicare patients who saw Dr. Dahl in 2024, with an average age of 77.
Is Dr. Patrick Robert Dahl board certified?
Yes. Dr. Dahl is board certified in dermatology by the American Board of Dermatology.
What services does Dr. Patrick Robert Dahl bill to Medicare?
In 2024, Dr. Dahl's most billed Medicare services were surgery: skin and soft tissue (17003), lab and pathology test (88305) and office visit, established patient (99213).
Where did Dr. Patrick Robert Dahl go to medical school?
Dr. Dahl graduated from Stanford University School Of Medicine in 1991.
What drugs does Dr. Patrick Robert Dahl prescribe most?
In 2024 Medicare Part D data, Dr. Dahl's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Doxycycline Hyclate.
Has Dr. Patrick Robert Dahl received payments from drug or device companies?
CMS Open Payments shows $506 in general payments to Dr. Dahl from 5 companies from 2016 to 2018. The largest total came from Allergan Inc.
How long has Dr. Patrick Robert Dahl been practicing?
Dr. Dahl graduated from medical school in 1991, 35 years ago.
Does Dr. Patrick Robert Dahl do research?
Dmand AI links 8 publications to Dr. Dahl.
Who does Dr. Patrick Robert Dahl publish with?
Dr. Dahl's most frequent co-authors are Mazen S. Daoud, MD (2 shared papers), Kristina A. Holmkvist, MD (2 shared papers) and Charles Vincent Perniciaro, MD (2 shared papers).
What insurance does Dr. Patrick Robert Dahl accept?
Dr. Dahl is in network with 14 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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