Dr. Gordon Masaru Clawson, MD

  • Ojai, CA
  • Emergency medicine physician
NPI1932167541
Medicare services, 2024
70
Medicare patients, 2024
53
Part D claims, 2024
25
Industry payments
$83
Medical group
1
Practice address
1306 Maricopa Hwy, Ojai, CA 93023
Practice phone
Call (805) 646-1401
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Ojai Valley Community Hospital

Ojai, California

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Dr. Gordon Masaru Clawson is an emergency medicine physician in Ojai, California

Dr. Clawson practices at Ojai Valley Community Hospital in Ojai, California.

Dr. Clawson's NPI, 1932167541, was assigned on May 3, 2006. Dr. Clawson graduated from Universidad Autonoma de Guadalajara in 1984. Dr. Clawson's California license number on file is A42967.

NPI and contact details
NPI enumeration date
May 3, 2006
NPI status
Active
Practice phone
(805) 646-1401
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Gordon Masaru Clawson practices at Ojai Valley Community Hospital in Ojai, California

Dr. Clawson's primary practice is Ojai Valley Community Hospital, at 1306 Maricopa Hwy, Ojai, CA 93023 in Ventura County. The practice phone is (805) 646-1401.

  • Ojai Valley Community Hospital
    1306 Maricopa Hwy, Ojai, CA 93023 · Ventura CountyPhone(805) 646-1401

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

Dr. Gordon Masaru Clawson is affiliated with 1 site of care and 1 medical group

Dr. Clawson's primary practice is Ojai Valley Community Hospital in Ojai, California. The medical group on file is Ojai Valley Emergency Physicians.

Ojai Valley Community HospitalOjai, CaliforniaPrimary
Ojai Valley Emergency PhysiciansEmergency and hospital medicine group, Ojai, CA

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

Dmand AI tracks the EHR system at Dr. Gordon Masaru Clawson's practice

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

EHR by site
SiteEHR vendor and product
Ojai Valley Community HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gordon Masaru Clawson is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Clawson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Clawson is board certified in family medicine by the American Board of Family Medicine. Dr. Clawson has a license on file in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A42967 · 1986 to 2025 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Clawson

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

7,423emergency medicine physicians in California
6emergency medicine physicians in Ojai

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gordon Masaru Clawson billed Medicare for 70 services in 2024

CMS data shows 70 Medicare services from Dr. Clawson across 3 procedure codes in 2024, for 53 Medicare patients. Medicare paid $4,406 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202470
Medicare patients53
Paid by Medicare$4,406
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 3392024: 5285%
Tests and treatments
2023: 982024: 1882%

Dr. Clawson compared with the California median for emergency medicine physicians, 2024

  • Dr. Clawson
  • California median
Medicare services
70vs 26574% below
Medicare patients
53vs 24378% below
Part D claims
107vs 6273% above

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Clawson'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. Clawson

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

Dr. Gordon Masaru Clawson treated 53 Medicare patients in 2024, average age 75

CMS counts 53 Medicare patients who saw Dr. Clawson in 2024. The largest group is 65 to 74, with 29 patients. 72% of them have high blood pressure, and 64% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Clawson's median patient age at 73, with 50% women.

Medicare patients, 202453
Average age75
Average risk score1.23
Also on Medicaid26%

Dr. Clawson's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Clawson's Medicare patients by sex, 2024

  • Women2955%
  • Men2445%

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

  1. High blood pressure72%
  2. High cholesterol64%
  3. Arthritis57%
  4. Mood disorders38%
  5. Depression32%
  6. Anxiety30%
  7. Ischemic heart disease26%
  8. Chronic kidney disease23%

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

Dr. Clawson's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women50%
  • Men50%

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

Dr. Gordon Masaru Clawson wrote 25 Medicare Part D claims in 2024

In 2024, Dr. Clawson wrote 25 Medicare Part D claims for 22 patients. 96% of them were for generic drugs. They cover 5 drugs, with $637 in total drug cost. In 2022, CMS named 170 claims across 7 drugs.

Part D claims, 202425
Drugs named by CMS5
Total drug cost$637
Part D patients22

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

  • Generic24 claims96%
  • Brand-name and other1 claims4%

Dr. Clawson's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 1702023: 10737%

Drugs named by CMS: 5 in 2023, 7 in 2022.

See all prescribing by Dr. Clawson

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

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Dr. Gordon Masaru Clawson received $83 in industry payments in 2023

CMS Open Payments shows 3 general payments to Dr. Clawson from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Beckman Coulter, Inc. paid the most, $83.

Companies that paid Dr. Clawson the most, 2023 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Clawson

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

Dr. Gordon Masaru Clawson graduated from Universidad Autonoma de Guadalajara

Dr. Clawson graduated from Universidad Autonoma de Guadalajara in 1984.

  1. Medical schoolUniversidad Autonoma de Guadalajara
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Gordon Masaru Clawson accepts plans from 3 insurance carriers

Dr. Clawson is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and RI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • RI State Medicaid

Plan types Dr. Clawson accepts, by number of carriers

  1. Medicare2
  2. PPO2
  3. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gordon Masaru Clawson'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Gordon Masaru Clawson

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. Gordon Masaru Clawson's NPI number?

Dr. Gordon Masaru Clawson's NPI number is 1932167541. It was assigned on May 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gordon Masaru Clawson?

Dr. Gordon Masaru Clawson is an emergency medicine physician in Ojai, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Gordon Masaru Clawson practice?

Dr. Clawson practices at 1306 Maricopa Hwy, Ojai, CA 93023. Dr. Clawson's primary practice is Ojai Valley Community Hospital in Ojai, California.

What is Dr. Gordon Masaru Clawson's office phone number?

The practice phone on file for Dr. Clawson is (805) 646-1401.

What is Dr. Gordon Masaru Clawson's medical license number?

Dr. Clawson's California license number on file is A42967.

What medical group is Dr. Gordon Masaru Clawson part of?

Dr. Clawson is linked to Ojai Valley Emergency Physicians.

Does Dr. Gordon Masaru Clawson accept Medicare?

Yes. CMS data shows Dr. Clawson billed Medicare for 70 services in 2024.

How many Medicare patients does Dr. Gordon Masaru Clawson see?

CMS counts 53 Medicare patients who saw Dr. Clawson in 2024, with an average age of 75.

Is Dr. Gordon Masaru Clawson board certified?

Yes. Dr. Clawson is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. Gordon Masaru Clawson bill to Medicare?

In 2024, Dr. Clawson's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).

Show 5 more questionsShow fewer questions

Where did Dr. Gordon Masaru Clawson go to medical school?

Dr. Clawson graduated from Universidad Autonoma de Guadalajara in 1984.

What drugs does Dr. Gordon Masaru Clawson prescribe most?

In 2023 Medicare Part D data, Dr. Clawson's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Atorvastatin Calcium.

Has Dr. Gordon Masaru Clawson received payments from drug or device companies?

CMS Open Payments shows $83 in general payments to Dr. Clawson from 1 company from 2023 to 2023. The largest total came from Beckman Coulter, Inc.

How long has Dr. Gordon Masaru Clawson been practicing?

Dr. Clawson graduated from medical school in 1984, 42 years ago.

What insurance does Dr. Gordon Masaru Clawson accept?

Dr. Clawson is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and RI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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