Nicole Sayuri Higashiyama

  • Anaheim, CA
  • Internist
NPI1609294024PAC ID0446549737
Medicare services, 2023
38
Medicare patients, 2024
25
Part D claims, 2024
1,871
Hospital affiliations
1
Industry payments
$2,222
Practice address
441 N Lakeview Ave, Anaheim, CA 92807
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

Southern California Permanente Medical Group

Anaheim, California

See all 4 affiliations

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Nicole Sayuri Higashiyama is an internist in Anaheim, California

Nicole Higashiyama practices at Southern California Permanente Medical Group in Anaheim, California.

Nicole Higashiyama's NPI, 1609294024, was assigned on April 2, 2014. Nicole Higashiyama graduated from Feinberg School of Medicine in 2014. Nicole Higashiyama holds California license A137723.

NPI and contact details
Medicare PAC ID
0446549737
NPI enumeration date
April 2, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 279-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

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

Nicole Sayuri Higashiyama practices at Southern California Permanente Medical Group in Anaheim, California

Nicole Higashiyama's primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.

  • Southern California Permanente Medical Group
    441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000

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

Nicole Sayuri Higashiyama is affiliated with 3 sites of care and 1 medical group

Nicole Higashiyama's primary practice is Southern California Permanente Medical Group in Anaheim, California. Nicole Higashiyama is also affiliated with Orange County - Anaheim Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Nicole Higashiyama to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Nicole Higashiyama

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

Dmand AI tracks the EHR system at Nicole Sayuri Higashiyama's practice

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

EHR by site
SiteEHR vendor and product
Southern California Permanente Medical GroupAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Nicole Sayuri Higashiyama is one of 16,751 internists in California

Internal medicine is Nicole Higashiyama's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Nicole Higashiyama is board certified in hematology by the American Board of Internal Medicine. Nicole Higashiyama is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A137723 · 2015 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic anemia among the conditions Nicole Higashiyama treats.

Internists near Nicole Higashiyama

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

Nicole Sayuri Higashiyama billed Medicare for 38 services in 2023

CMS data shows 38 Medicare services from Nicole Higashiyama across 1 procedure code in 2023, all of them office visits, for 25 Medicare patients. Medicare paid $3,121 for them. Every service was in an office.

Medicare services, 202338
Medicare patients25
Paid by Medicare$3,121
Procedure codes1

Nicole Higashiyama compared with the California median for internists, 2023

  • Nicole Higashiyama
  • California median
Medicare services
38vs 36189% below
Medicare patients
25vs 15183% below
Part D claims
1,494vs 4213.5 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Nicole Higashiyama's most billed Medicare procedure codes, 2023

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 Nicole Higashiyama

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

Nicole Sayuri Higashiyama treated 25 Medicare patients in 2024, average age 62

CMS counts 25 Medicare patients who saw Nicole Higashiyama in 2024. The largest group is under 65, with 12 patients. 60% of them have high blood pressure, and 44% have high cholesterol. Their average risk score is 2.31, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Nicole Higashiyama's median patient age at 64, with 64% women.

Medicare patients, 202425
Average age62
Average risk score2.31

Nicole Higashiyama's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Nicole Higashiyama's Medicare patients, 2024

  1. High blood pressure60%
  2. High cholesterol44%

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

Nicole Higashiyama's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women64%
  • Men36%

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

Nicole Sayuri Higashiyama wrote 1,871 Medicare Part D claims in 2024

In 2024, Nicole Higashiyama wrote 1,871 Medicare Part D claims for 277 patients. 77% of them were for generic drugs. CMS names the drug for 1,494 of them, across 50 drugs with 11 or more claims each, at $4,143,260 in total drug cost. In 2023, CMS named 1,250 claims across 50 drugs.

Part D claims, 20241,871
Drugs named by CMS50
Total drug cost$4.1M
Part D patients277

Nicole Higashiyama's Part D claims by kind of drug, 2024

  • Generic1,436 claims77%
  • Brand-name and other435 claims23%

Nicole Higashiyama'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 Nicole Higashiyama's Part D claims, 2024

  • Opioids4%68 of 1,871 claims
  • Antibiotics3%54 of 1,871 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: 1,2502024: 1,49420%

Drugs named by CMS: 50 in 2024, 50 in 2023.

See all prescribing by Nicole Higashiyama

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 Nicole Sayuri Higashiyama takes part in Medicare

Nicole Higashiyama 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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Nicole Sayuri Higashiyama received $2,222 in industry payments from 2016 to 2020

CMS Open Payments shows 120 general payments to Nicole Higashiyama from 19 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 91% of the total. Celgene Corporation paid the most, $397.

General payments to Nicole Higashiyama by program year, 2016 to 2020

General payments to Nicole Higashiyama by kind, 2016 to 2020

$2.2Kin total
  • Food and beverage$2,03291%
  • Education$1909%

Companies that paid Nicole Higashiyama the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Nicole Higashiyama

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

Nicole Sayuri Higashiyama graduated from Feinberg School of Medicine

Nicole Higashiyama graduated from Feinberg School of Medicine in 2014.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Nicole Sayuri Higashiyama accepts plans from 2 insurance carriers

Nicole Higashiyama is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Nicole Higashiyama accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Nicole Sayuri Higashiyama'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 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)
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 Nicole Sayuri Higashiyama

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

What is Nicole Sayuri Higashiyama's NPI number?

Nicole Sayuri Higashiyama's NPI number is 1609294024. It was assigned on April 2, 2014, and it is active in the NPI Registry.

What does Nicole Sayuri Higashiyama specialize in?

Nicole Sayuri Higashiyama is an internist in Anaheim, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Nicole Sayuri Higashiyama practice?

Nicole Higashiyama practices at 441 N Lakeview Ave, Anaheim, CA 92807. Nicole Higashiyama's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dmand AI also links Nicole Higashiyama to 1 group practice or clinic.

What is Nicole Sayuri Higashiyama's office phone number?

The practice phone on file for Nicole Higashiyama is (714) 279-4000.

What is Nicole Sayuri Higashiyama's medical license number?

Nicole Higashiyama holds California license A137723.

Which hospitals is Nicole Sayuri Higashiyama affiliated with?

Nicole Higashiyama is affiliated with Orange County - Anaheim Medical Center.

What medical group is Nicole Sayuri Higashiyama part of?

Nicole Higashiyama is linked to Southern California Permanente Medical Group.

Does Nicole Sayuri Higashiyama accept Medicare?

Yes. CMS data shows Nicole Higashiyama billed Medicare for 38 services in 2023, and Nicole Higashiyama accepts Medicare assignment.

How many Medicare patients does Nicole Sayuri Higashiyama see?

CMS counts 25 Medicare patients who saw Nicole Higashiyama in 2024, with an average age of 62.

Is Nicole Sayuri Higashiyama board certified?

Yes. Nicole Higashiyama is board certified in hematology by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Nicole Sayuri Higashiyama bill to Medicare?

In 2023, Nicole Higashiyama's most billed Medicare services were office visit, established patient (99214).

Where did Nicole Sayuri Higashiyama go to medical school?

Nicole Higashiyama graduated from Feinberg School of Medicine in 2014.

What drugs does Nicole Sayuri Higashiyama prescribe most?

In 2024 Medicare Part D data, Nicole Higashiyama's most prescribed drugs by claims were Letrozole, Dexamethasone and Ondansetron HCl.

Has Nicole Sayuri Higashiyama received payments from drug or device companies?

CMS Open Payments shows $2,222 in general payments to Nicole Higashiyama from 19 companies from 2016 to 2020. The largest total came from Celgene Corporation.

How long has Nicole Sayuri Higashiyama been practicing?

Nicole Higashiyama graduated from medical school in 2014, 12 years ago.

What insurance does Nicole Sayuri Higashiyama accept?

Nicole Higashiyama is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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