Dr. Yoko Ozawa, MD

  • Anaheim, CA
  • Internist
NPI1447308317PAC ID3476589219
Medicare patients, 2024
12
Part D claims, 2024
1,315
Hospital affiliations
2
Industry payments
$250
Medical group
1
Practice address
3440 E La Palma Ave, Anaheim, CA 92806
Practice phone
Call (714) 279-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Orange County - Anaheim Medical Center

Hospital · Anaheim, California

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Dr. Yoko Ozawa is an internist in Anaheim, California

Dr. Ozawa practices at Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.

Dr. Ozawa's NPI, 1447308317, was assigned on January 8, 2007. Dr. Ozawa graduated from New York Medical College in 2001. Dr. Ozawa holds California license A81475.

NPI and contact details
Medicare PAC ID
3476589219
NPI enumeration date
January 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 279-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
51
Medical school graduation
2001

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

Dr. Yoko Ozawa practices at Orange County - Anaheim Medical Center in Anaheim, California

Dr. Ozawa's primary practice is Orange County - Anaheim Medical Center, at 3440 E La Palma Ave, Anaheim, CA 92806 in Orange County. The practice phone is (714) 279-4000.

Source: Dmand AI Affiliation Data

Dr. Yoko Ozawa is affiliated with 2 sites of care and 1 medical group

Dr. Ozawa's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. Dr. Ozawa is also affiliated with West Los Angeles Medical Center. The medical group on file is Southern California Permanente Medical Group.

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

Dmand AI tracks the EHR system at Dr. Yoko Ozawa's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ozawa practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Orange County - Anaheim Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Yoko Ozawa is one of 16,751 internists in California

Internal medicine is Dr. Ozawa's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ozawa is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Ozawa is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A81475 · 2002 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic respiratory failure among the conditions Dr. Ozawa treats.

Internists near Dr. Ozawa

Counts of internists 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. Yoko Ozawa treated 12 Medicare patients in 2024, average age 74

CMS counts 12 Medicare patients who saw Dr. Ozawa in 2024. 75% of them have high blood pressure. Their average risk score is 3.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ozawa's median patient age at 68, with 49% women.

Medicare patients, 202412
Average age74
Average risk score3.18

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

  1. High blood pressure75%

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

Dr. Ozawa's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Yoko Ozawa wrote 1,315 Medicare Part D claims in 2024

In 2024, Dr. Ozawa wrote 1,315 Medicare Part D claims for 219 patients. 55% of them were for generic drugs. CMS names the drug for 1,203 of them, across 21 drugs with 11 or more claims each, at $478,240 in total drug cost. In 2023, CMS named 1,109 claims across 21 drugs.

Part D claims, 20241,315
Drugs named by CMS21
Total drug cost$478,240
Part D patients219

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

  • Generic727 claims55%
  • Brand-name and other588 claims45%

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

  • Antibiotics7%96 of 1,315 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: 1,1092024: 1,2038%

Drugs named by CMS: 21 in 2024, 21 in 2023.

See all prescribing by Dr. Ozawa

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

How Dr. Yoko Ozawa takes part in Medicare

Dr. Ozawa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Yoko Ozawa received $250 in industry payments in 2016

CMS Open Payments shows 2 general payments to Dr. Ozawa from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $125.

Companies that paid Dr. Ozawa the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Ozawa

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

Dr. Yoko Ozawa graduated from New York Medical College

Dr. Ozawa graduated from New York Medical College in 2001.

  1. Medical schoolNew York Medical College
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Yoko Ozawa accepts plans from 4 insurance carriers

Dr. Ozawa is in network with 4 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare

Plan types Dr. Ozawa accepts, by number of carriers

  1. Medicare3
  2. PPO2
  3. EPO1
  4. HMO1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Yoko Ozawa'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 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)
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. Yoko Ozawa

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. Yoko Ozawa's NPI number?

Dr. Yoko Ozawa's NPI number is 1447308317. It was assigned on January 8, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Yoko Ozawa?

Dr. Yoko Ozawa is an internist in Anaheim, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Yoko Ozawa practice?

Dr. Ozawa practices at 3440 E La Palma Ave, Anaheim, CA 92806. Dr. Ozawa's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.

What is Dr. Yoko Ozawa's office phone number?

The practice phone on file for Dr. Ozawa is (714) 279-4000.

What is Dr. Yoko Ozawa's medical license number?

Dr. Ozawa holds California license A81475.

Which hospitals is Dr. Yoko Ozawa affiliated with?

Dr. Ozawa practices at Orange County - Anaheim Medical Center in Anaheim, California. Dr. Ozawa is also affiliated with West Los Angeles Medical Center.

What medical group is Dr. Yoko Ozawa part of?

Dr. Ozawa is linked to Southern California Permanente Medical Group.

Does Dr. Yoko Ozawa accept Medicare?

Yes. CMS lists Dr. Ozawa as accepting Medicare assignment.

How many Medicare patients does Dr. Yoko Ozawa see?

CMS counts 12 Medicare patients who saw Dr. Ozawa in 2024, with an average age of 74.

Is Dr. Yoko Ozawa board certified?

Yes. Dr. Ozawa is board certified in critical care medicine by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

Where did Dr. Yoko Ozawa go to medical school?

Dr. Ozawa graduated from New York Medical College in 2001.

What drugs does Dr. Yoko Ozawa prescribe most?

In 2024 Medicare Part D data, Dr. Ozawa's most prescribed drugs by claims were Albuterol Sulfate Hfa, Spiriva Respimat and Wixela Inhub.

Has Dr. Yoko Ozawa received payments from drug or device companies?

CMS Open Payments shows $250 in general payments to Dr. Ozawa from 2 companies from 2016 to 2016. The largest total came from Teva Pharmaceuticals USA, Inc.

How long has Dr. Yoko Ozawa been practicing?

Dr. Ozawa graduated from medical school in 2001, 25 years ago.

What insurance does Dr. Yoko Ozawa accept?

Dr. Ozawa is in network with 4 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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