Dr. Abdallah Khourdaji, MD

  • Walnut Creek, CA
  • Dermatologist
NPI1093799652PAC ID8224071659
Medicare services, 2024
6,384
Medicare patients, 2024
852
Part D claims, 2024
1,002
MIPS score, 2024
99
Hospital affiliations
1
Practice address
370 N Wiget Ln, Ste 250, Walnut Creek, CA 94598
Practice phone
Call (925) 278-7592
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Golden State Dermatopathology

Clinical Lab - Full Service · Walnut Creek, California

See all 6 affiliations

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Dr. Abdallah Khourdaji is a dermatologist in Walnut Creek, California

Dr. Khourdaji practices at Golden State Dermatopathology in Walnut Creek, California.

Dr. Khourdaji's NPI, 1093799652, was assigned on December 6, 2005. Dr. Khourdaji graduated from Damascus University Faculty of Medicine in 1973. Dr. Khourdaji's California license number on file is 00A341430.

NPI and contact details
Medicare PAC ID
8224071659
NPI enumeration date
December 6, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(925) 278-7592
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
79
Medical school graduation
1973

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

Dr. Abdallah Khourdaji practices at Golden State Dermatopathology in Walnut Creek, California

Dr. Khourdaji's primary practice is Golden State Dermatopathology, at 370 N Wiget Ln, Ste 250, Walnut Creek, CA 94598. The practice phone is (925) 278-7592.

  • Golden State Dermatopathology
    370 N Wiget Ln, Ste 250, Walnut Creek, CA 94598Phone(925) 278-7592

Source: Dmand AI Affiliation Data

Dr. Abdallah Khourdaji is affiliated with 4 sites of care and 2 medical groups

Dr. Khourdaji's primary practice is Golden State Dermatopathology in Walnut Creek, California. Dr. Khourdaji is also affiliated with Adventist Health Lodi Memorial. The medical group on file is Golden State Dermatology. Dmand AI also links Dr. Khourdaji to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Khourdaji's employer is on file too: a clinical lab.

See all 6 affiliations for Dr. Khourdaji

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Abdallah Khourdaji's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Khourdaji practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Golden State DermatopathologyAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Abdallah Khourdaji is one of 1,910 dermatologists in California

Dermatology is Dr. Khourdaji's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Khourdaji is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Khourdaji's licenses on file in 3 states: California, Michigan and Louisiana.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense 00A341430 · 1979 to 2025 · taxonomy 207N00000X
  • Michigan license2010 to 2023
  • Louisiana license1977 to 1985

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and facial skin infection among the conditions Dr. Khourdaji treats.

Dermatologists near Dr. Khourdaji

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. Abdallah Khourdaji billed Medicare for 6,384 services in 2024

CMS data shows 6,384 Medicare services from Dr. Khourdaji across 29 procedure codes in 2024, for 852 Medicare patients. Medicare paid $574,467 for them. Every service was in an office.

Medicare services, 20246,384
Medicare patients852
Paid by Medicare$574,467
Procedure codes29

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

  • 2023
  • 2024
Surgery
2023: 4,5552024: 4,7404%
Office and hospital visits
2023: 1,7452024: 1,55211%
Drugs given in the office
2023: 2262024: 9259%
Tests and treatments
2023: 392024: 0100%

Dr. Khourdaji compared with the California median for dermatologists, 2024

  • Dr. Khourdaji
  • California median
Medicare services
6,384vs 1,7503.6 times
Medicare patients
852vs 3772.3 times
Part D claims
836vs 3672.3 times

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Khourdaji'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. Khourdaji

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Khourdaji and other dermatologists in California.

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

Dr. Abdallah Khourdaji treated 852 Medicare patients in 2024, average age 77

CMS counts 852 Medicare patients who saw Dr. Khourdaji in 2024. The largest group is 75 to 84, with 370 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% 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. Khourdaji's median patient age at 72, with 55% women.

Medicare patients, 2024852
Average age77
Average risk score1.08
Also on Medicaid10%

Dr. Khourdaji's Medicare patients by age, 2024

Dr. Khourdaji's Medicare patients by sex, 2024

  • Women41248%
  • Men44052%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis41%
  4. Chronic kidney disease23%
  5. Diabetes23%
  6. Ischemic heart disease22%
  7. Atrial fibrillation20%
  8. Anxiety17%

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

Dr. Khourdaji's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women55%
  • Men43%

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

Dr. Abdallah Khourdaji wrote 1,002 Medicare Part D claims in 2024

In 2024, Dr. Khourdaji wrote 1,002 Medicare Part D claims for 326 patients. 87% of them were for generic drugs. CMS names the drug for 836 of them, across 20 drugs with 11 or more claims each, at $648,822 in total drug cost. In 2023, CMS named 888 claims across 24 drugs.

Part D claims, 20241,002
Drugs named by CMS20
Total drug cost$648,822
Part D patients326

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

  • Generic867 claims87%
  • Brand-name135 claims13%

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

  • Antibiotics10%97 of 1,002 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: 8882024: 8366%

Drugs named by CMS: 20 in 2024, 24 in 2023.

See all prescribing by Dr. Khourdaji

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. Abdallah Khourdaji 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. Khourdaji for performance year 2024, reported as part of a group. Dr. Khourdaji accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 74 procedures of melanoma (skin cancer) excision by Dr. Khourdaji, more than 90% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Khourdaji'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. Khourdaji ranks in Medicare procedure volume

Removal of skin lesions
86th percentile477 procedures
Removal of skin cancer
43rd percentile298 procedures
Skin biopsy
77th percentile115 procedures
Melanoma (skin cancer) excision
90th percentile74 procedures

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

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

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)

For MedTech and pharma teams

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Dr. Abdallah Khourdaji received $35,239 in industry payments from 2016 to 2025

CMS Open Payments shows 1,029 general payments to Dr. Khourdaji from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 44% of the total. Janssen Pharmaceuticals, Inc paid the most, $16,415. It also lists 2 research payments totaling $3,156 from 2016 to 2017.

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

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

$35.2Kin total
  • Food and beverage$15,63744%
  • Consulting fees$13,30038%
  • Travel and lodging$4,69313%
  • Education$1,2594%
  • Honoraria$3501%

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

Share is of all general payments to this clinician.

See all payments to Dr. Khourdaji

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

Dr. Abdallah Khourdaji has 1 award and honors on record

Dmand AI lists 1 award for Dr. Khourdaji, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Khourdaji

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Abdallah Khourdaji graduated from Damascus University Faculty of Medicine

Dr. Khourdaji graduated from Damascus University Faculty of Medicine in 1973. Dr. Khourdaji is a member of AAD.

  1. Medical schoolDamascus University Faculty of Medicine
  2. Board certified in dermatologyAmerican Board of Dermatology
  3. Board certified in anatomic pathology & clinical pathologyAmerican Board of Pathology

Source: Dmand AI Professional Profile Data

Dr. Abdallah Khourdaji accepts plans from 15 insurance carriers

Dr. Khourdaji is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare 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. Khourdaji accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Abdallah Khourdaji'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (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. Abdallah Khourdaji

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. Abdallah Khourdaji's NPI number?

Dr. Abdallah Khourdaji's NPI number is 1093799652. It was assigned on December 6, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Abdallah Khourdaji?

Dr. Abdallah Khourdaji is a dermatologist in Walnut Creek, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Abdallah Khourdaji practice?

Dr. Khourdaji practices at 370 N Wiget Ln, Ste 250, Walnut Creek, CA 94598. Dr. Khourdaji's primary practice is Golden State Dermatopathology in Walnut Creek, California. Dmand AI also links Dr. Khourdaji to 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. Abdallah Khourdaji's office phone number?

The practice phone on file for Dr. Khourdaji is (925) 278-7592.

What is Dr. Abdallah Khourdaji's medical license number?

Dr. Khourdaji's California license number on file is 00A341430, one of the licenses on file in 3 states.

Which states has Dr. Abdallah Khourdaji been licensed in?

Dmand AI has state licenses on file for Dr. Khourdaji in California (1979 to 2025), Michigan (2010 to 2023) and Louisiana (1977 to 1985).

Which hospitals is Dr. Abdallah Khourdaji affiliated with?

Dr. Khourdaji is affiliated with Adventist Health Lodi Memorial.

What medical group is Dr. Abdallah Khourdaji part of?

Dr. Khourdaji is linked to Golden State Dermatology. Dmand AI links Dr. Khourdaji to 1 more medical group.

Does Dr. Abdallah Khourdaji accept Medicare?

Yes. CMS data shows Dr. Khourdaji billed Medicare for 6,384 services in 2024, and Dr. Khourdaji accepts Medicare assignment.

What is Dr. Abdallah Khourdaji's MIPS score?

Dr. Khourdaji's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Abdallah Khourdaji see?

CMS counts 852 Medicare patients who saw Dr. Khourdaji in 2024, with an average age of 77.

Is Dr. Abdallah Khourdaji board certified?

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

What services does Dr. Abdallah Khourdaji bill to Medicare?

In 2024, Dr. Khourdaji's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).

Where did Dr. Abdallah Khourdaji go to medical school?

Dr. Khourdaji graduated from Damascus University Faculty of Medicine in 1973.

What drugs does Dr. Abdallah Khourdaji prescribe most?

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

Has Dr. Abdallah Khourdaji received payments from drug or device companies?

CMS Open Payments shows $35,239 in general payments to Dr. Khourdaji from 46 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Abdallah Khourdaji been practicing?

Dr. Khourdaji graduated from medical school in 1973, 53 years ago.

What insurance does Dr. Abdallah Khourdaji accept?

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

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