Dr. Douglas G. Hamilton, MD

  • Woodland Hills, CA
  • Dermatopathology physician
NPI1497815880PAC ID6103004049
Medicare services, 2024
800
Medicare patients, 2024
135
Part D claims, 2024
328
Publications
3
Clinical trials
1
Practice address
6325 N Topanga Canyon Blvd, Woodland Hills, CA 91367
Practice phone
Call (818) 884-9290
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

California Surgical Center, Inc.

Woodland Hills, California

See all 3 affiliations

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Dr. Douglas G. Hamilton is a dermatopathology physician in Woodland Hills, California

Dr. Hamilton practices at California Surgical Center, Inc. in Woodland Hills, California.

Dr. Hamilton's NPI, 1497815880, was assigned on December 8, 2006. Dr. Hamilton graduated from Albany Medical College in 1969. Dr. Hamilton's California license number on file is G20987.

NPI and contact details
Medicare PAC ID
6103004049
NPI enumeration date
December 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 884-9290
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
83
Medical school graduation
1969

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Douglas G. Hamilton practices at California Surgical Center, Inc. in Woodland Hills, California

Dr. Hamilton's primary practice is California Surgical Center, Inc., at 6325 N Topanga Canyon Blvd, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 884-9290.

  • California Surgical Center, Inc.
    6325 N Topanga Canyon Blvd, Woodland Hills, CA 91367 · Los Angeles CountyPhone(818) 884-9290

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Douglas G. Hamilton is affiliated with 2 sites of care and 1 medical group

Dr. Hamilton's primary practice is California Surgical Center, Inc. in Woodland Hills, California. The medical group on file is Douglas Hamilton, MD, A Medical Corporation. Dmand AI also links Dr. Hamilton to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Hamilton

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Douglas G. Hamilton's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamilton practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
California Surgical Center, Inc.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Douglas G. Hamilton is one of 57 dermatopathology physicians in California

Dermatopathology is Dr. Hamilton's primary specialty in the NPI Registry, under taxonomy code 207ND0900X. Dr. Hamilton is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Hamilton's licenses on file in 3 states: California, Washington and Nevada.

Specialties and state licenses

  • Dermatopathology, CaliforniaPrimaryLicense G20987 · 1971 to 2025 · taxonomy 207ND0900X
  • Washington license2015 to 2018
  • Nevada license1976 to 2001

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, hives, itchy rashes and psoriasis among the conditions Dr. Hamilton treats.

Dermatopathology physicians near Dr. Hamilton

Counts of dermatopathology 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. Douglas G. Hamilton billed Medicare for 800 services in 2024

CMS data shows 800 Medicare services from Dr. Hamilton across 8 procedure codes in 2024, for 135 Medicare patients. Medicare paid $33,627 for them. Every service was in an office.

Medicare services, 2024800
Medicare patients135
Paid by Medicare$33,627
Procedure codes8

Dr. Hamilton's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 3612024: 44824%
Office and hospital visits
2023: 3032024: 24220%
Lab and pathology
2023: 1972024: 11044%

Dr. Hamilton compared with the California median for dermatopathology physicians, 2024

  • Dr. Hamilton
  • California median
Medicare services
800vs 3,80279% below
Medicare patients
135vs 59377% below
Part D claims
214vs 210Close to median

Medians across 53 dermatopathology physicians in California with Dmand AI profiles that report each measure.

Dr. Hamilton'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.

See all procedures by Dr. Hamilton

Need commercial claims for Dr. Hamilton?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hamilton and other dermatopathology physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Douglas G. Hamilton treated 135 Medicare patients in 2024, average age 73

CMS counts 135 Medicare patients who saw Dr. Hamilton in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hamilton's median patient age at 62, with 49% women.

Medicare patients, 2024135
Average age73
Average risk score1.08
Also on Medicaid20%

Dr. Hamilton's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hamilton's Medicare patients by sex, 2024

  • Women6750%
  • Men6850%

Chronic conditions among Dr. Hamilton's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis50%
  4. Ischemic heart disease33%
  5. Diabetes29%
  6. Anxiety20%
  7. Mood disorders19%
  8. Depression16%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hamilton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women49%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Douglas G. Hamilton wrote 328 Medicare Part D claims in 2024

In 2024, Dr. Hamilton wrote 328 Medicare Part D claims for 119 patients. 93% of them were for generic drugs. CMS names the drug for 214 of them, across 9 drugs with 11 or more claims each, at $78,271 in total drug cost. In 2023, CMS named 228 claims across 9 drugs.

Part D claims, 2024328
Drugs named by CMS9
Total drug cost$78,271
Part D patients119

Dr. Hamilton's Part D claims by kind of drug, 2024

  • Generic306 claims93%
  • Brand-name22 claims7%

Dr. Hamilton'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. Hamilton's Part D claims, 2024

  • Antibiotics11%35 of 328 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: 2282024: 2146%

Drugs named by CMS: 9 in 2024, 9 in 2023.

See all prescribing by Dr. Hamilton

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. Douglas G. Hamilton ranks in the 77th percentile for removal of skin lesions in Medicare

Dr. Hamilton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 151 procedures of removal of skin lesions by Dr. Hamilton, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Hamilton ranks in Medicare procedure volume

Removal of skin lesions
77th percentile151 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Douglas G. Hamilton has 3 publications on record

Dmand AI links 3 papers to Dr. Hamilton in 2007. The most frequent topics are Cosmetic Techniques, Dermatologic Agents and Face. Dr. Hamilton has published most often in Dermatol Surg. Dr. Hamilton's most frequent co-authors are James John Romano, MD, Peter P. Rullan, MD and Thomas R. Vecchione, MD.

Papers3

Topics Dr. Hamilton writes about most

  • Cosmetic Techniques
  • Dermatologic Agents
  • Face
  • Injections

Dr. Hamilton's most frequent co-authors

Recent publications by Dr. Hamilton

See all 3 publications and co-authors

See who Dr. Hamilton researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hamilton works with, so you can find a warm path to the right dermatopathology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Douglas G. Hamilton has worked on 1 clinical trial

Dmand AI links Dr. Hamilton to 1 clinical trial.

Recent clinical trials with Dr. Hamilton

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Douglas G. Hamilton received $7,113 in industry payments from 2016 to 2025

CMS Open Payments shows 274 general payments to Dr. Hamilton from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Allergan Inc. paid the most, $1,875.

General payments to Dr. Hamilton by program year, 2016 to 2025

General payments to Dr. Hamilton by kind, 2016 to 2025

$7.1Kin total
  • Food and beverage$5,58679%
  • Consulting fees$1,50021%
  • Education$190%
  • Travel and lodging$90%

Companies that paid Dr. Hamilton the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hamilton

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Douglas G. Hamilton has 1 award and honors on record

Dmand AI lists 1 award for Dr. Hamilton.

Awards and honors for Dr. Hamilton

  1. Undated
    • ASDS Fellow

Source: Dmand AI Professional Profile Data

Dr. Douglas G. Hamilton graduated from Albany Medical College

Dr. Hamilton graduated from Albany Medical College in 1969. Dr. Hamilton is a member of AAD and ASDS.

  1. Medical schoolAlbany Medical College
  2. Board certified in dermatologyAmerican Board of Dermatology
  3. Board certified in dermatopathologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Douglas G. Hamilton accepts plans from 15 insurance carriers

Dr. Hamilton is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Hamilton accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Douglas G. Hamilton's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Douglas G. Hamilton

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. Douglas G. Hamilton's NPI number?

Dr. Douglas G. Hamilton's NPI number is 1497815880. It was assigned on December 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Douglas G. Hamilton?

Dr. Douglas G. Hamilton is a dermatopathology physician in Woodland Hills, California. The primary specialty in the NPI Registry is Dermatopathology Physician (taxonomy code 207ND0900X).

Where does Dr. Douglas G. Hamilton practice?

Dr. Hamilton practices at 6325 N Topanga Canyon Blvd, Woodland Hills, CA 91367. Dr. Hamilton's primary practice is California Surgical Center, Inc. in Woodland Hills, California. Dmand AI also links Dr. Hamilton to 1 group practice or clinic.

What is Dr. Douglas G. Hamilton's office phone number?

The practice phone on file for Dr. Hamilton is (818) 884-9290.

What is Dr. Douglas G. Hamilton's medical license number?

Dr. Hamilton's California license number on file is G20987, one of the licenses on file in 3 states.

Which states has Dr. Douglas G. Hamilton been licensed in?

Dmand AI has state licenses on file for Dr. Hamilton in California (1971 to 2025), Washington (2015 to 2018) and Nevada (1976 to 2001).

What medical group is Dr. Douglas G. Hamilton part of?

Dr. Hamilton is linked to Douglas Hamilton, MD, A Medical Corporation.

Does Dr. Douglas G. Hamilton accept Medicare?

Yes. CMS data shows Dr. Hamilton billed Medicare for 800 services in 2024, and Dr. Hamilton accepts Medicare assignment.

How many Medicare patients does Dr. Douglas G. Hamilton see?

CMS counts 135 Medicare patients who saw Dr. Hamilton in 2024, with an average age of 73.

Is Dr. Douglas G. Hamilton board certified?

Yes. Dr. Hamilton is board certified in dermatology by the American Board of Dermatology.

Show 8 more questionsShow fewer questions

What services does Dr. Douglas G. Hamilton bill to Medicare?

In 2024, Dr. Hamilton's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and lab and pathology test (88305).

Where did Dr. Douglas G. Hamilton go to medical school?

Dr. Hamilton graduated from Albany Medical College in 1969.

What drugs does Dr. Douglas G. Hamilton prescribe most?

In 2024 Medicare Part D data, Dr. Hamilton's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Betamethasone Dipropionate.

Has Dr. Douglas G. Hamilton received payments from drug or device companies?

CMS Open Payments shows $7,113 in general payments to Dr. Hamilton from 31 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. Douglas G. Hamilton been practicing?

Dr. Hamilton graduated from medical school in 1969, 57 years ago.

Does Dr. Douglas G. Hamilton do research?

Dmand AI links 3 publications to Dr. Hamilton. Dr. Hamilton has worked on 1 clinical trial.

Who does Dr. Douglas G. Hamilton publish with?

Dr. Hamilton's most frequent co-authors are James John Romano, MD (1 shared paper), Peter P. Rullan, MD (1 shared paper) and Thomas R. Vecchione, MD (1 shared paper).

What insurance does Dr. Douglas G. Hamilton accept?

Dr. Hamilton is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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