Gordon K. Iwasaki, PA

  • San Diego, CA
  • Physician assistant
NPI1619149929PAC ID8628088234
Medicare services, 2024
2,807
Medicare patients, 2024
241
Part D claims, 2024
3,283
MIPS score, 2024
22
Hospital affiliations
1
Practice address
7901 Frost St, San Diego, CA 92123
Practice phone
Call (858) 939-3400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Memorial Hospital

Hospital · San Diego, California

See all 6 affiliations

Find Gordon Iwasaki's professional email, personal email and mobile number

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Gordon K. Iwasaki is a physician assistant in San Diego, California

Gordon Iwasaki practices at Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare.

Gordon Iwasaki's NPI, 1619149929, was assigned on March 26, 2008.

NPI and contact details
Medicare PAC ID
8628088234
NPI enumeration date
March 26, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 939-3400
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Gordon K. Iwasaki practices at Sharp Memorial Hospital in San Diego, California

Gordon Iwasaki's primary practice is Sharp Memorial Hospital, at 7901 Frost St, San Diego, CA 92123 in San Diego County. The practice phone is (858) 939-3400.

Source: Dmand AI Affiliation Data

Gordon K. Iwasaki is affiliated with 4 sites of care and 2 medical groups

Gordon Iwasaki's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. The medical group on file is California Pain Consultants. Dmand AI also links Gordon Iwasaki to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 6 affiliations for Gordon Iwasaki

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

Dmand AI tracks the EHR system at Gordon K. Iwasaki's practice

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

EHR by site
SiteEHR vendor and product
Sharp Memorial HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Gordon K. Iwasaki is one of 2,381 physician assistants in California

Medical is Gordon Iwasaki's primary specialty in the NPI Registry, under taxonomy code 363AM0700X.

Specialties and state licenses

  • Medical physician assistantPrimaryLicense 13726 · taxonomy 363AM0700X

Clinical focus

Dmand AI lists arthritis, bursitis, depression, enthesopathy in arms, fibromyalgia and chronic pain, hereditary polyneuropathy, joint pain and lower back pain among the conditions Gordon Iwasaki treats.

Physician assistants near Gordon Iwasaki

Counts of physician assistants 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

Gordon K. Iwasaki billed Medicare for 2,807 services in 2024

CMS data shows 2,807 Medicare services from Gordon Iwasaki across 9 procedure codes in 2024, for 241 Medicare patients. Medicare paid $339,865 for them. Every service was in an office.

Medicare services, 20242,807
Medicare patients241
Paid by Medicare$339,865
Procedure codes9

Gordon Iwasaki's Medicare services by type, 2024

  1. Lab and pathology907
  2. Other services903
  3. Office and hospital visits894
  4. Drugs given in the office62
  5. Tests and treatments25
  6. Surgery16

Gordon Iwasaki compared with the California median for physician assistants, 2024

  • Gordon Iwasaki
  • California median
Medicare services
2,807vs 27810.1 times
Medicare patients
241vs 1162.1 times
Part D claims
3,133vs 4407.1 times

Medians across 1,473 physician assistants in California with Dmand AI profiles that report each measure.

Gordon Iwasaki'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 Gordon Iwasaki

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

Gordon K. Iwasaki treated 241 Medicare patients in 2024, average age 70

CMS counts 241 Medicare patients who saw Gordon Iwasaki in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have arthritis, and 75% have high blood pressure. 52% are also on Medicaid. Their average risk score is 1.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Gordon Iwasaki's median patient age at 67, with 55% women.

Medicare patients, 2024241
Average age70
Average risk score1.94
Also on Medicaid52%

Gordon Iwasaki's Medicare patients by age, 2024

Gordon Iwasaki's Medicare patients by sex, 2024

  • Women15062%
  • Men9138%

Chronic conditions among Gordon Iwasaki's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol73%
  4. Mood disorders46%
  5. Anxiety42%
  6. Depression39%
  7. Ischemic heart disease34%
  8. Chronic kidney disease29%

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

Gordon Iwasaki's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women55%
  • Men42%

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

Gordon K. Iwasaki wrote 3,283 Medicare Part D claims in 2024

In 2024, Gordon Iwasaki wrote 3,283 Medicare Part D claims for 283 patients. 95% of them were for generic drugs. CMS names the drug for 3,133 of them, across 30 drugs with 11 or more claims each, at $144,343 in total drug cost.

Part D claims, 20243,283
Drugs named by CMS30
Total drug cost$144,343
Part D patients283

Gordon Iwasaki's Part D claims by kind of drug, 2024

  • Generic3,109 claims95%
  • Brand-name174 claims5%

Gordon Iwasaki'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 Gordon Iwasaki's Part D claims, 2024

  • Opioids56%1,835 of 3,283 claims
  • Antibiotics0%15 of 3,283 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Gordon Iwasaki

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

Gordon K. Iwasaki scored 22 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Gordon Iwasaki for performance year 2024, reported individually. Gordon Iwasaki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Gordon Iwasaki as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Gordon Iwasaki's MIPS scores, performance year 2024

  • 22of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Gordon K. Iwasaki received $2,131 in industry payments from 2024 to 2025

CMS Open Payments shows 96 general payments to Gordon Iwasaki from 10 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Forte Bio-pharma LLC paid the most, $1,007.

General payments to Gordon Iwasaki by program year, 2024 to 2025

Companies that paid Gordon Iwasaki the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Gordon Iwasaki

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

Sources for Gordon K. Iwasaki'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Gordon K. Iwasaki

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gordon K. Iwasaki's NPI number?

Gordon K. Iwasaki's NPI number is 1619149929. It was assigned on March 26, 2008, and it is active in the NPI Registry.

What does Gordon K. Iwasaki specialize in?

Gordon K. Iwasaki is a physician assistant in San Diego, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Gordon K. Iwasaki practice?

Gordon Iwasaki practices at 7901 Frost St, San Diego, CA 92123. Gordon Iwasaki's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Dmand AI also links Gordon Iwasaki to 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Gordon K. Iwasaki's office phone number?

The practice phone on file for Gordon Iwasaki is (858) 939-3400.

Which hospitals is Gordon K. Iwasaki affiliated with?

Gordon Iwasaki practices at Sharp Memorial Hospital in San Diego, California.

What medical group is Gordon K. Iwasaki part of?

Gordon Iwasaki is linked to California Pain Consultants. Dmand AI links Gordon Iwasaki to 1 more medical group.

Does Gordon K. Iwasaki accept Medicare?

Yes. CMS data shows Gordon Iwasaki billed Medicare for 2,807 services in 2024, and Gordon Iwasaki accepts Medicare assignment.

Does Gordon K. Iwasaki offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Gordon Iwasaki as offering telehealth services.

What is Gordon K. Iwasaki's MIPS score?

Gordon Iwasaki's MIPS final score for performance year 2024 is 22 out of 100, reported individually.

How many Medicare patients does Gordon K. Iwasaki see?

CMS counts 241 Medicare patients who saw Gordon Iwasaki in 2024, with an average age of 70.

Show 4 more questionsShow fewer questions

What services does Gordon K. Iwasaki bill to Medicare?

In 2024, Gordon Iwasaki's most billed Medicare services were lab and pathology test (80307), medicare service (G0483) and office visit, established patient (99214).

What drugs does Gordon K. Iwasaki prescribe most?

In 2024 Medicare Part D data, Gordon Iwasaki's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone-Acetaminophen and Gabapentin.

Has Gordon K. Iwasaki received payments from drug or device companies?

CMS Open Payments shows $2,131 in general payments to Gordon Iwasaki from 10 companies from 2024 to 2025. The largest total came from Forte Bio-pharma LLC.

How long has Gordon K. Iwasaki been practicing?

Gordon Iwasaki graduated from medical school in 1995, 31 years ago.

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