Dr. Lance William Chapman, MBA, MD
- Medicare services, 2024
- 8,944
- Medicare patients, 2024
- 677
- Part D claims, 2024
- 821
- MIPS score, 2024
- 99
- Industry payments
- $10,633
- Practice address
- 13928 Seal Beach Blvd, Seal Beach, CA 90740
- Practice phone
- Call (310) 541-7800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pacific Dermatology Specialists
Seal Beach, California
Find Dr. Chapman'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. Lance William Chapman is a mohs-micrographic surgery physician in Seal Beach, California
Dr. Chapman practices at Pacific Dermatology Specialists in Seal Beach, California.
Dr. Chapman's NPI, 1194143438, was assigned on April 3, 2014. Dr. Chapman graduated from David Geffen School of Medicine at UCLA in 2014. Dr. Chapman holds California license A138208.
- NPI
- 1194143438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587950670
- NPI enumeration date
- April 3, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 541-7800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lance William Chapman practices at Pacific Dermatology Specialists in Seal Beach, California
Dr. Chapman's primary practice is Pacific Dermatology Specialists, at 13928 Seal Beach Blvd, Seal Beach, CA 90740 in Orange County. The practice phone is (310) 541-7800.
- Pacific Dermatology Specialists13928 Seal Beach Blvd, Seal Beach, CA 90740 · Orange CountyPhone(310) 541-7800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lance William Chapman is affiliated with 3 sites of care and 2 medical groups
Dr. Chapman's primary practice is Pacific Dermatology Specialists in Seal Beach, California. The medical group on file is Pacific Dermatology Specialists. Dmand AI also links Dr. Chapman 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. Lance William Chapman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chapman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pacific Dermatology Specialists | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lance William Chapman is one of 156 mohs-micrographic surgery physicians in California
Mohs-micrographic surgery is Dr. Chapman's primary specialty in the NPI Registry, under taxonomy code 207ND0101X. Dr. Chapman is board certified in dermatology by the American Board of Dermatology. Dr. Chapman is licensed in California.
Specialties and state licenses
- Mohs-micrographic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, facial skin infection, hives and itchy rashes among the conditions Dr. Chapman treats.
Mohs-micrographic surgery physicians near Dr. Chapman
Counts of mohs-micrographic surgery physicians 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. Lance William Chapman billed Medicare for 8,944 services in 2024
CMS data shows 8,944 Medicare services from Dr. Chapman across 33 procedure codes in 2024, for 677 Medicare patients. Medicare paid $1,505,798 for them. Every service was in an office.
Dr. Chapman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 7,2552024: 7,3471%
- Office and hospital visits
- 2023: 1,4052024: 1,21114%
- Drugs given in the office
- 2023: 2402024: 20116%
- Lab and pathology
- 2023: 732024: 159118%
- Tests and treatments
- 2023: 252024: 264%
Dr. Chapman compared with the California median for mohs-micrographic surgery physicians, 2024
- Dr. Chapman
- California median
- Medicare services
- 8,944vs 2,6453.4 times
- Medicare patients
- 677vs 52828% above
- Part D claims
- 732vs 2253.3 times
Medians across 153 mohs-micrographic surgery physicians in California with Dmand AI profiles that report each measure.
Dr. Chapman'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. Chapman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chapman and other mohs-micrographic surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lance William Chapman treated 677 Medicare patients in 2024, average age 76
CMS counts 677 Medicare patients who saw Dr. Chapman in 2024. The largest group is 65 to 74, with 296 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chapman's median patient age at 64, with 52% women.
Dr. Chapman's Medicare patients by age, 2024
Dr. Chapman's Medicare patients by sex, 2024
- Women32648%
- Men35152%
Chronic conditions among Dr. Chapman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Diabetes29%
- Chronic kidney disease24%
- Ischemic heart disease23%
- Atrial fibrillation19%
- Heart failure18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chapman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lance William Chapman wrote 821 Medicare Part D claims in 2024
In 2024, Dr. Chapman wrote 821 Medicare Part D claims for 414 patients. 97% of them were for generic drugs. CMS names the drug for 732 of them, across 16 drugs with 11 or more claims each, at $79,290 in total drug cost. In 2023, CMS named 724 claims across 21 drugs.
Dr. Chapman's Part D claims by kind of drug, 2024
- Generic793 claims97%
- Brand-name28 claims3%
Dr. Chapman'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. Chapman's Part D claims, 2024
- Opioids3%21 of 821 claims
- Antibiotics38%309 of 821 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: 7242024: 7321%
Drugs named by CMS: 16 in 2024, 21 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. Lance William Chapman scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Chapman for performance year 2024, reported as part of a group. Dr. Chapman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 2,681 procedures of removal of skin lesions by Dr. Chapman, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chapman's MIPS scores, performance year 2024
- 99of 100Final score
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chapman ranks in Medicare procedure volume
- Removal of skin lesions
- 99th percentile2,681 procedures
- Removal of skin cancer
- 97th percentile1,805 procedures
- Skin biopsy
- 99th percentile930 procedures
- Melanoma (skin cancer) excision
- 99th percentile526 procedures
- Removal of tissue
- 70th percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
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. Lance William Chapman received $10,633 in industry payments from 2017 to 2025
CMS Open Payments shows 465 general payments to Dr. Chapman from 35 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,821.
General payments to Dr. Chapman by program year, 2017 to 2025
General payments to Dr. Chapman by kind, 2017 to 2025
- Food and beverage$10,47499%
- Education$1591%
Companies that paid Dr. Chapman the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lance William Chapman has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chapman.
Awards and honors for Dr. Chapman
- Undated
- AOA Inductee 2011
Source: Dmand AI Professional Profile Data
Dr. Lance William Chapman graduated from David Geffen School of Medicine at UCLA
Dr. Chapman graduated from David Geffen School of Medicine at UCLA in 2014.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Lance William Chapman accepts plans from 15 insurance carriers
Dr. Chapman is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Chapman accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- EPO5
- POS5
Source: Dmand AI Insurance Network Data
Sources for Dr. Lance William Chapman'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) |
| 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. Lance William Chapman
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. Lance William Chapman's NPI number?
Dr. Lance William Chapman's NPI number is 1194143438. It was assigned on April 3, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Lance William Chapman?
Dr. Lance William Chapman is a mohs-micrographic surgery physician in Seal Beach, California. The primary specialty in the NPI Registry is MOHS-Micrographic Surgery Physician (taxonomy code 207ND0101X).
Where does Dr. Lance William Chapman practice?
Dr. Chapman practices at 13928 Seal Beach Blvd, Seal Beach, CA 90740. Dr. Chapman's primary practice is Pacific Dermatology Specialists in Seal Beach, California. Dmand AI also links Dr. Chapman to 2 group practices and clinics and 1 medical group.
What is Dr. Lance William Chapman's office phone number?
The practice phone on file for Dr. Chapman is (310) 541-7800.
What is Dr. Lance William Chapman's medical license number?
Dr. Chapman holds California license A138208.
What medical group is Dr. Lance William Chapman part of?
Dr. Chapman is linked to Pacific Dermatology Specialists. Dmand AI links Dr. Chapman to 1 more medical group.
Does Dr. Lance William Chapman accept Medicare?
Yes. CMS data shows Dr. Chapman billed Medicare for 8,944 services in 2024, and Dr. Chapman accepts Medicare assignment.
What is Dr. Lance William Chapman's MIPS score?
Dr. Chapman's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lance William Chapman see?
CMS counts 677 Medicare patients who saw Dr. Chapman in 2024, with an average age of 76.
Is Dr. Lance William Chapman board certified?
Yes. Dr. Chapman is board certified in dermatology by the American Board of Dermatology.
Show 6 more questionsShow fewer questions
What services does Dr. Lance William Chapman bill to Medicare?
In 2024, Dr. Chapman's most billed Medicare services were surgery: skin and soft tissue (17110), surgery: skin and soft tissue (17003) and office visit, established patient (99213).
Where did Dr. Lance William Chapman go to medical school?
Dr. Chapman graduated from David Geffen School of Medicine at UCLA in 2014.
What drugs does Dr. Lance William Chapman prescribe most?
In 2024 Medicare Part D data, Dr. Chapman's most prescribed drugs by claims were Doxycycline Monohydrate, Mupirocin and Ketoconazole.
Has Dr. Lance William Chapman received payments from drug or device companies?
CMS Open Payments shows $10,633 in general payments to Dr. Chapman from 35 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Lance William Chapman been practicing?
Dr. Chapman graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Lance William Chapman accept?
Dr. Chapman is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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